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1.
Artículo en Inglés | MEDLINE | ID: mdl-38835094

RESUMEN

BACKGROUND: Borderline personality disorder (BPD) is often characterized by severe functional impairment, even after a decrease in symptoms. A comprehensive understanding of psychosocial functioning in BPD is necessary to tailor treatment offer, which should address relevant aspects of daily life. The aims of the present study are to (1) conduct a cross-sectional comparison of functioning of a group with BPD and a non-BPD clinical comparison group at service entry, and to (2) assess the relationship between intensity of BPD symptom domains and psychosocial functioning. METHODS: The sample consists of N = 65 participants with BPD and N = 57 participants from the clinical comparison group without BPD (non-BPD group). The Revised Borderline Follow-up Interview (BFI-R) was used to evaluate psychosocial functioning and the Revised Diagnostic Interview for Borderlines (DIB-R) to assess BPD symptoms. Linear, logistic, and multinomial regression models were run separately for each aspect of functioning as a function of BPD status or BPD symptom domains. RESULTS: Only 23% of participants in the BPD group fulfilled criteria for good overall psychosocial functioning, compared to 53% in the non-BPD group. Furthermore, participants in the BPD group were less likely to have completed a high number of years of education, to work consistently, to be financially independent, to be in a cohabiting relationship and have a good relationship with parents. In addition, various links were identified between BPD symptom domains and functional impairments. CONCLUSIONS: Consistent with prior research, the main impairments in functioning in the BPD group are found in the educational and vocational domains. Though some domains show impairment, others, like friendships, may act as potential resources. Further investigation on the relationships with symptom domains is required.

2.
BMC Psychiatry ; 24(1): 318, 2024 Apr 24.
Artículo en Inglés | MEDLINE | ID: mdl-38658915

RESUMEN

BACKGROUND: Studies conducted in Western societies have identified variables associated with chronic pain, but few have done so across cultures. Our study aimed to clarify the relationship between specific mental health markers (i.e., depression, anxiety, posttraumatic stress disorder [PTSD], perceived stress) as well as specific protective factors (i.e., social support and self-efficacy) related to physical pain among university students across non-WEIRD and WEIRD samples. METHOD: A total of 188 university students (131 women and 57 men) were included in the study. We used network analysis to ascertain mental health markers especially central to the experience of physical pain. RESULTS: No statistically significant difference was found between mental health markers (i.e., depression, anxiety, perceived stress, and PTSD) and protective factors (i.e., social support and self-efficacy) associated with physical pain symptoms for Swiss students versus Indian students (M = 0.325, p = .11). In addition, networks for Swiss versus Indian students did not differ in global strength (S = 0.29, p = .803). Anxiety was the most central mental health marker, and social support was the most important protective factor related to physical pain in both countries. However, for Swiss students, perceived stress, and for Indian students, PTSD symptoms were central mental health markers related to physical pain. CONCLUSION: Our results identify factors that may serve as important treatment targets for pain interventions among students of both countries before it becomes chronic.


Asunto(s)
Ansiedad , Depresión , Factores Protectores , Autoeficacia , Apoyo Social , Trastornos por Estrés Postraumático , Estudiantes , Humanos , Masculino , Femenino , Estudiantes/psicología , Adulto Joven , Adulto , Trastornos por Estrés Postraumático/psicología , Ansiedad/psicología , Depresión/psicología , Suiza , India , Universidades , Estrés Psicológico/psicología , Dolor Crónico/psicología , Adolescente , Salud Mental , Dolor/psicología
3.
J Interpers Violence ; : 8862605241234348, 2024 Mar 07.
Artículo en Inglés | MEDLINE | ID: mdl-38450674

RESUMEN

Despite the well-documented link between child maltreatment (CM) and mental health, evidence suggests substantial variability in the post-traumatic sequelae of CM across cultures. The perceived acceptability of CM in one's community might moderate the association between CM and mental health, but little research has been conducted on it so far. This study examined how the perceived acceptability of CM may influence the relationship between CM experiences and post-traumatic symptoms in individuals from four different continents and if the pattern of associations is the same across countries. We recruited a sample of 478 adults from Cameroon (n = 111), Canada (n = 137), Japan (n = 108), and Germany (n = 122). We administered online questionnaires and performed multiple group moderation analyses for total CM, neglect, physical abuse, emotional maltreatment, sexual abuse, and exposure to domestic violence (DV). A significant positive main effect of CM on post-traumatic symptoms was found in the overall sample and in Cameroon; in Germany, only neglect and emotional maltreatment were positively associated to post-traumatic symptoms. Moderation effects were identified; the perceived acceptability of neglect in Cameroon and Germany and of exposure to DV in Cameroon had a dampening effect on the relationship between CM experiences and post-traumatic symptoms. Our findings confirm that CM experiences entail long-term post-traumatic sequelae that can vary across cultures and CM subtypes and further our understanding of this issue by showing that the perceived acceptability of CM may be an understudied moderator.

4.
Front Pharmacol ; 14: 1140656, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37841918

RESUMEN

Rationale: The psychedelic effects of the traditional Amazonian botanical decoction known as ayahuasca are often attributed to agonism at brain serotonin 5-HT2A receptors by N,N-dimethyltryptamine (DMT). To reduce first pass metabolism of oral DMT, ayahuasca preparations additionally contain reversible monoamine oxidase A (MAO-A) inhibitors, namely ß-carboline alkaloids such as harmine. However, there is lacking biochemical evidence to substantiate this pharmacokinetic potentiation of DMT in brain via systemic MAO-A inhibition. Objectives: We measured the pharmacokinetic profile of harmine and/or DMT in rat brain, and tested for pharmacodynamic effects on brain glucose metabolism and DMT occupancy at brain serotonin 5-HT2A receptors. Methods: We first measured brain concentrations of harmine and DMT after treatment with harmine and/or DMT at low sub-cutaneous doses (1 mg/kg each) or harmine plus DMT at moderate doses (3 mg/kg each). In the same groups of rats, we also measured ex vivo the effects of these treatments on the availability of serotonin 5-HT2A receptors in frontal cortex. Finally, we explored effects of DMT and/or harmine (1 mg/kg each) on brain glucose metabolism with [18F]FDG-PET. Results: Results confirmed that co-administration of harmine inhibited the formation of the DMT metabolite indole-3-acetic acid (3-IAA) in brain, while correspondingly increasing the cerebral availability of DMT. However, we were unable to detect any significant occupancy by DMT at 5-HT2A receptors measured ex vivo, despite brain DMT concentrations as high as 11.3 µM. We did not observe significant effects of low dose DMT and/or harmine on cerebral [18F]FDG-PET uptake. Conclusion: These preliminary results call for further experiments to establish the dose-dependent effects of harmine/DMT on serotonin receptor occupancy and cerebral metabolism.

5.
Eur J Psychotraumatol ; 14(2): 2264119, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37830143

RESUMEN

Background: Post-traumatic growth (PTG) and resilience, regarded as positive psychological change following a traumatic experience, are under-researched across cultures in people exposed to child maltreatment (CM).Objective: We investigated how experiences and the perceived acceptability of CM are related to resilience and PTG in countries with different cultures, living standards, and gross national income.Method: A total of 478 adults from Cameroon (n = 111), Canada (n = 137), Japan (n = 108), and Germany (n = 122) completed an online survey with self-reported questionnaires, including the Brief Resilience Scale and the Post Traumatic Growth Inventory-Short Form.Results: Across countries, self-reported male gender and age were positively associated with resilience, while experiences of physical abuse and emotional maltreatment were negatively associated with resilience. Experiences of emotional maltreatment were positively associated with PTG. Higher levels of PTG and resilience were found amongst Cameroonian participants as compared to other countries.Conclusion: Our results suggest that positive changes following CM can vary significantly across cultures and that experiences of specific CM subtypes, but not the perceived acceptability of CM, may be important for a deeper understanding of how individuals overcome trauma and develop salutogenic outcomes. Our findings may inform CM intervention programmes for an enhanced cultural sensitivity.


Across the four countries (Canada, Cameroon, Germany, Japan), more experiences of physical abuse and emotional maltreatment were associated with lower resilience; more experiences of emotional maltreatment were associated with greater post-traumatic growth.Higher levels of post-traumatic growth and resilience were found in Cameroon as compared to other countries.Positive changes following child maltreatment vary across cultures and experiences of specific child maltreatment subtypes, but the perceived acceptability of child maltreatment did not exert an influence on salutogenic post-traumatic outcomes.


Asunto(s)
Adultos Sobrevivientes del Maltrato a los Niños , Crecimiento Psicológico Postraumático , Resiliencia Psicológica , Adulto , Femenino , Humanos , Masculino , Adultos Sobrevivientes del Maltrato a los Niños/psicología , Comparación Transcultural
6.
Artículo en Inglés | MEDLINE | ID: mdl-37718410

RESUMEN

BACKGROUND: Borderline personality disorder (BPD) is frequently subject to misdiagnosis or underdiagnosis. As a matter of fact, its evaluation poses several challenges, highlighting the importance of having validated evaluation instruments. The Revised Diagnostic Interview for Borderlines (DIB-R) is widely used and recognized for its validity when it comes to assessing the psychopathology of BPD, but, as for now, no French version of the interview exists. The aim of the current work is to validate a French version of the DIB-R. METHODS: The sample consists of N = 65 patients with borderline personality disorder (BPD) and N = 57 treatment seeking patients (non-BPD comparison group). For inter-rater reliability, a subsample of N = 84 interviews will be assessed by two raters, n = 47 for the BPD group and n = 37 for the non-BPD comparison group. RESULTS: To assess reliability, we conducted analyses of internal consistency and inter-rater reliability. The results were good for the overall interview as well as for the four domains of the DIB-R. To assess validity, we calculated the receiver operating characteristic (ROC) curve, sensitivity, specificity, predictive values, convergent and discriminative validity. The optimal cutoff was found to be 7. Regarding convergent validity, we found strong convergence between the Borderline Symptom List (BSL-23) and the DIB-R total score. Additionally, the two groups statistically differed on all the DIB-R scores, which indicates that the interview discriminates between the two groups. CONCLUSIONS: Our results indicate good psychometric properties of the French version of the DIB-R. This has important implications as the interview is useful both in clinical settings and for research purposes. Additionally, the present paper aims to contribute to the more general effort of demonstrating generalizability and transportability of the scale.

7.
Child Abuse Negl ; 143: 106270, 2023 09.
Artículo en Inglés | MEDLINE | ID: mdl-37301113

RESUMEN

BACKGROUND: Acceptable parental behaviors and practices toward a child vary across countries and may impact the risk of exposure to maltreatment. Conversely, prior experiences of maltreatment as a child may influence the acceptability of child maltreatment (CM) behaviors. OBJECTIVE: This exploratory study examined the association between CM experiences and perceived acceptability of CM using data from four countries representing different cultures, living standards, and gross national income. PARTICIPANTS AND SETTING: We recruited a convenience sample of 478 adults from Cameroon (n = 111), Canada (n = 137), Japan (n = 108), and Germany (n = 122) through online postings on social media. METHODS: We administered questionnaires and conducted a three-stage hierarchical multiple regression with perceived acceptability of CM subscales as the dependent variable. RESULTS: In all countries, higher scores of childhood neglect were associated with greater perceived acceptability of neglect in one's community (p < .001). Equally, our results showed that higher scores of childhood neglect or sexual abuse were associated with greater perceived acceptability of sexual abuse (p < .044). However, we did not find a significant relationship between other forms of CM (i.e., physical abuse, emotional maltreatment, exposure to domestic violence), and their perceived acceptability. CONCLUSIONS: Our findings suggest that experiences of some CM types, namely neglect and sexual abuse, may be associated with the perception that these are more acceptable within one's community. Perceived acceptability of CM might be a driver that can either prevent or perpetuate CM. Therefore, intervention and prevention programs could incorporate a deeper cross-cultural understanding and assessment of these social norms in order to foster meaningful behavioral changes.


Asunto(s)
Maltrato a los Niños , Adulto , Humanos , Niño , Maltrato a los Niños/psicología , Comparación Transcultural , Abuso Físico , Emociones , Encuestas y Cuestionarios
8.
Clin Psychol Eur ; 5(1): e11567, 2023 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-37065003
9.
Transl Psychiatry ; 13(1): 136, 2023 04 28.
Artículo en Inglés | MEDLINE | ID: mdl-37117179

RESUMEN

Altered intrinsic brain connectivity of patients with anorexia nervosa has been observed in the acute phase of the disorder, but it remains unclear to what extent these alterations recover during weight normalization. In this study, we used functional imaging data from three time points to probe longitudinal changes in intrinsic connectivity patterns in patients with severe anorexia nervosa (BMI ≤ 15.5 kg/m2) over the course of weight normalization. At three distinct stages of inpatient treatment, we examined resting-state functional connectivity in 27 women with severe anorexia nervosa and 40 closely matched healthy controls. Using network-based statistics and graph-theoretic measures, we examined differences in global network strength, subnetworks with altered intrinsic connectivity, and global network topology. Patients with severe anorexia nervosa showed weakened intrinsic connectivity and altered network topology which did not recover during treatment. The persistent disruption of brain networks suggests sustained alterations of information processing in weight-recovered severe anorexia nervosa.


Asunto(s)
Anorexia Nerviosa , Mapeo Encefálico , Humanos , Femenino , Anorexia Nerviosa/diagnóstico por imagen , Imagen por Resonancia Magnética , Vías Nerviosas , Encéfalo/diagnóstico por imagen
10.
PLoS One ; 18(4): e0273602, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37023023

RESUMEN

BACKGROUND: The glucocorticoid receptor (GR), which is encoded by the NR3C1 (Nuclear Receptor Subfamily 3 Group C Member 1) gene plays an important role in the modulation of the hypothalamic-pituitary-adrenal (HPA) axis activity by providing feedback regulation which allows termination of the stress response. Little is known about epigenetic programming at the level of NGFI-A (nerve growth factor-inducible protein A) putative binding site (CpG) of the NR3C1 exon 1F in dyads mother-child exposed to intimate partner violence (IPV) more specifically in an unstudied region such as the sub-Saharan Africa where levels of violence are very high. OBJECTIVE: Examine NR3C1 exon 1F methylation in response to IPV and possible association with cortisol concentration and mental health. METHOD: We recruited 20 mother-child dyads exposed to IPV and a control group of 20 mother-child dyads not exposed to IPV. We administered self-reported questionnaires to measure mother's mental health and collected saliva samples for cortisol dosage and bisulfite sequencing of DNA methylation. RESULTS: Regarding the mothers, our results showed a significant difference in methylation level at CpG 16-21 sites of the NR3C1 exon 1F promoter region between the groups. In the exposed group as compared to the control group, there was a significant positive association between the level of methylation at CpG 16-21 sites and mother's mental health in particular anxiety symptoms. However, we did not find any significant correlation between methylation level and cortisol concentration. In children, we did not find any significant results. CONCLUSION: This study highlights a NGFI-A putative binding site (CpG 16-21) that is more methylated in mothers exposed to IPV and which may have the potential to confer vulnerability for psychopathologies.


Asunto(s)
Glucocorticoides , Violencia de Pareja , Femenino , Humanos , Receptores de Glucocorticoides/genética , Receptores de Glucocorticoides/metabolismo , Hidrocortisona/metabolismo , Camerún , Islas de CpG/genética , Regiones Promotoras Genéticas , Metilación de ADN , Ansiedad/genética , Relaciones Madre-Hijo
11.
Plants (Basel) ; 12(2)2023 Jan 11.
Artículo en Inglés | MEDLINE | ID: mdl-36679060

RESUMEN

Harmful usage of tobacco is a global public health problem associated with adverse health effects and addiction. Yet, in the Peruvian Amazon, the native region of Nicotiana rustica L., this plant is used in remarkably different manners: it is considered a potent medicinal plant, applied in liquid form for oral ingestion to treat mental health problems, a common and ancient healing practice in this region. Using a transdisciplinary field research approach with mixed ethnopsychological methods, this work aimed to report for the first time a case study in this context. The intervention took place in the Peruvian Amazon (Loreto) and involved ritual tobacco ingestion in a weeklong retreat-like frame, administered by a specialized traditional Amazonian healer. The patient was a 37-year-old woman with diagnosed mood, anxiety, and attention deficit disorders, as well as a chronic somatic condition. We applied qualitative experience-sampling during and quantitative symptom assessments pre- and post-treatment. Our findings offer a detailed description of the experiential therapeutic process during the treatment week and suggest clinically relevant improvements in patient well-being. This work is significant in view of the globally prevalent harmful uses of tobacco and the current scientific trend of revisiting herbal psychoactives (e.g., cannabis, psilocybin) for their therapeutic potentials.

12.
Clin Psychol Psychother ; 30(1): 131-140, 2023 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-36066208

RESUMEN

OBJECTIVES: The focus of the present research is to investigate the impact of therapist responsiveness at the very first session of therapy on the evaluation of therapeutic alliance from the therapist's perspective and from patient's perspective in the context of guideline-based treatment for borderline personality disorder. DESIGN: The study has a correlational and longitudinal design applied to a 10-session therapy in a naturalistic setting. METHODS: A total of four trained raters evaluated therapist responsiveness during the first session of therapy. After each therapy session, therapists and patients filled out the short form of the Working Alliance Inventory measuring working alliance; the sample included 13 therapists and 47 patients. Correlational analysis as well as hierarchical linear modelling exploring the relationship between first session therapist responsiveness and working alliance were performed. RESULTS: The global evaluation of responsiveness revealed a significant relationship with the temporal evolution of the alliance rated from the therapists' perspective. DISCUSSION: There is the necessity to further explore therapist appropriate responsiveness which could potentially explain several psychotherapy research results. Moreover, it could help in finding alternatives in order to facilitate patients' early engagement in therapy as well as facilitating the building process of therapeutic alliance. Finally, an effort should be made in order to study more individualized operationalization of responsiveness.


Asunto(s)
Trastorno de Personalidad Limítrofe , Alianza Terapéutica , Humanos , Trastorno de Personalidad Limítrofe/terapia , Relaciones Profesional-Paciente , Psicoterapia/métodos
13.
Sci Rep ; 12(1): 20242, 2022 11 24.
Artículo en Inglés | MEDLINE | ID: mdl-36424426

RESUMEN

Physical pain has become a major health problem with many university students affected by it worldwide each year. Several studies have examined the prevalence of pain-related impairments in reward processing in Western, Educated, Industrialized, Rich, and Democratic (WEIRD) countries but none of the studies have replicated these findings in a non-western cultural setting. Here, we aimed to investigate the prevalence of physical pain symptoms in a sample of university students in India and replicate our previous study conducted on university students in Switzerland, which showed reduced mood and behavioral responses to reward in students with significant pain symptoms. We grouped students into a sub-clinical (N = 40) and a control group (N = 48) to test the association between pain symptoms and reward processes. We used the Fribourg reward task and the pain sub-scale of the Symptom Checklist (SCL-27-plus) to assess physical symptoms of pain. We found that 45% of the students reported high levels of physical symptoms of pain and interestingly, our ANOVA results did not show any significant interaction between reward and the groups either for mood scores or for outcomes related to performance. These results might yield the first insights that pain-related impairment is not a universal phenomenon and can vary across cultures.


Asunto(s)
Afecto , Recompensa , Humanos , Estudiantes , Dolor , Pueblo Asiatico
14.
Eat Weight Disord ; 27(7): 2665-2672, 2022 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-35587335

RESUMEN

PURPOSE: Bulimia nervosa (BN) and anorexia nervosa (AN) are potentially life-threatening eating disorders (ED) that primarily affect young people, mostly women. The central common pathology is linked to the relationship with food and with abnormalities in food intake. A previous study indicated that individuals with AN tend to overestimate food portion sizes compared to healthy controls (HC), but no study has investigated these patterns in BN, which was the objective of this study. METHODS: Women with BN (27), AN (28), and HC (27) were asked to rate different meal portion sizes in two conditions: as if they were supposed to eat them (intent-to-eat condition) or in general (general condition). BN results were compared to HC and AN using mixed model analyses. RESULTS: BN showed larger estimations compared to HC, while smaller estimations compared to AN. These differences were found mostly for intermediate portion sizes. No difference for conditions (intent-to-eat; general) was found between groups. CONCLUSION: When estimating food portion sizes, individuals with BN seem to fall intermediately between HC and AN. ED symptoms in BN were most strongly associated with higher portion estimation. This might therefore reflect one aspect of the cognitive distortions typically seen also in AN. A therapeutic option could include the frequent visual exposure to increasing portions of food, what may serve to recalibrate visual perceptions of what a "normal-sized" portion of food looks like. LEVEL OF EVIDENCE: Level II: Evidence obtained from well-designed controlled trials without randomization.


Asunto(s)
Anorexia Nerviosa , Bulimia Nerviosa , Trastornos de Alimentación y de la Ingestión de Alimentos , Adolescente , Anorexia Nerviosa/psicología , Bulimia Nerviosa/psicología , Femenino , Humanos , Masculino , Comidas , Tamaño de la Porción/psicología
15.
Psychother Psychosom ; 91(4): 238-251, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35381589

RESUMEN

Childhood maltreatment (CM) is linked to impairments in various domains of social functioning. Here, we argue that it is critical to identify factors that underlie impaired social functioning as well as processes that mediate the beneficial health effects of positive relationships in individuals exposed to CM. Key research recommendations are presented, focusing on: (1) identifying attachment-related alterations in specific inter- and intrapersonal processes (e.g., regulation of closeness and distance) that underlie problems in broader domains of social functioning (e.g., lack of perceived social support) in individuals affected by CM; (2) identifying internal (e.g., current emotional state) and external situational factors (e.g., cultural factors, presence of close others) that modulate alterations in specific social processes; and (3) identifying mechanisms that explain the positive health effects of intact social functioning. Methodological recommendations include: (1) assessing social processes through interactive and (close to) real-life assessments inside and outside the laboratory; (2) adopting an interdisciplinary, lifespan perspective to assess social processes, using multi-method assessments; (3) establishing global research collaborations to account for cultural influences on social processes and enable replications across laboratories and countries. The proposed line of research will contribute to globally develop and refine interventions that prevent CM and further positive relationships, which - likely through buffering the effects of chronic stress and corresponding allostatic load - foster resilience and improve mental and physical health, thereby reducing personal suffering and the societal and economic costs of CM and its consequences. Interventions targeting euthymia and psychological well-being are promising therapeutic concepts in this context.


Asunto(s)
Interacción Social , Apoyo Social , Emociones , Humanos
16.
J Interpers Violence ; 37(5-6): NP3346-NP3376, 2022 03.
Artículo en Inglés | MEDLINE | ID: mdl-32783520

RESUMEN

Intimate partner violence (IPV) is a widespread social problem with serious consequences for the health of both women and their children. However, little is known about the combined effect of maternal childhood abuse and current exposure to IPV with respect to the psychopathological symptoms of the mother-child dyad. In a Cameroonian cultural setting, where IPV affects more than half of women, we aimed to better understand how mother's childhood abuse and current IPV co-occur to lead to psychopathological symptoms in the mother-child dyad. With the help of a non-governmental organization in Cameroon, we recruited 49 mother-child dyads exposed to IPV, along with 25 mother-child dyads who had not been exposed, and who functioned as a control group. All mothers completed a set of questionnaires, including the Revised Conflict Tactics Scale to assess IPV; the Child Trauma Questionnaire to examine their childhood trauma; the Child Behavior Checklist to assess their children's psychopathological traits; the Hospital Anxiety and Depression Scale; and the Symptom Checklist. We found that physical abuse experienced by mothers during childhood was associated with IPV in adulthood, and specifically sexual abuse, p = .001. In addition, we found that the accumulation of maternal childhood abuse and current IPV was related to anxiety and depression symptoms in mothers, all R2 ≥ .18, all ps ≤ .015, as well as to externalized symptoms in children, all R2 ≥ .27, all ps ≤ .017. Our results suggest the intergenerational transmission of experiences of childhood abuse and current IPV, which calls for the development of interventions and care strategies for the mother-child dyad.


Asunto(s)
Maltrato a los Niños , Violencia de Pareja , Adulto , Camerún , Niño , Femenino , Humanos , Relaciones Madre-Hijo , Madres
17.
J Ethnopharmacol ; 286: 114910, 2022 Mar 25.
Artículo en Inglés | MEDLINE | ID: mdl-34933085

RESUMEN

ETHNOPHARMACOLOGICAL RELEVANCE: Indigenous groups of the Amazon have developed intricate methods for the application of psychoactives, among which particularly the dieta or diet method of Peruvian-Amazonian traditional medicine stands out. It is a retreat-like intervention involving lengthy periods of social, behavioural, and alimentary restrictions, while ingesting specially prepared plant substances. The interplay of the dietary conditions and plants ingested sensitizes the dieter to receive healing, strength, guidance, and knowledge. From a clinical scientific point of view, the method has remained largely underexplored, but seems more pertinent than ever given the increasing interest in Amazonian psychoactive preparations including ayahuasca (Banisteriopsis caapi) and the burgeoning field of psychedelic-assisted therapies in general. AIM OF THE STUDY: This study offers a descriptive account and emic interpretation of the Peruvian-Amazonian dieta. More specifically we document in detail the procedure, its context and purpose of application, effects, modes of action, adverse effects, and risks, from the perspectives of a sample of Peruvian traditional healers. The Peruvian-Amazonian dieta is a multi-purpose method for making use of medicinal plants, many of which (but not all), are psychoactive; the current work especially focuses on its therapeutic applications in conjunction with psychoactives. METHODS: We interviewed 16 healers working in the Ucayali, San Martín, and Loreto provinces of Peru using a semi-structured interview approach. Interviews were audio-recorded and transcribed verbatim. The extensive data derived from these interviews were analysed by means of computer-assisted manifest qualitative content analysis using a theory-advancing approach. Over 500 coded text segments were categorized, resulting in 7 main theme clusters and corresponding sub-themes. RESULTS: The interviewed healers described a complex intervention with multifaceted applications (treatment, prevention, training) and effects in various domains (body, mind, spirit, energy). The process was portrayed as transformative, with benefits attributed to the effects of the so-called teacher plants in conjunction with the diet's conditions, along with the skill of the healer guiding the intervention. Further, a detailed risk assessment revealed sophisticated safety measures and tools designed to address adverse responses. The importance of adequate training of the healer that administers the diet was particularly highlighted in this context. CONCLUSIONS: The dieta is a central therapeutic concept and tool in Peruvian-Amazonian traditional medicine and a unique method for using psychoactive plants. Multidisciplinary health research that includes traditional treatment methods from Indigenous cultures, Amazonian and other, should not be neglected in the current global interest in psychedelic therapies; such research may in the long-term contribute to a more inclusive psychedelic research paradigm as well as healthcare practice in countries where rich traditional healing systems exist, and perhaps beyond. It may also contribute to the recognition of the Indigenous healers as not only historical forerunners, but also current leading experts in psychedelic medicine.


Asunto(s)
Dieta , Medicina Tradicional/métodos , Preparaciones de Plantas/administración & dosificación , Plantas Medicinales/química , Banisteriopsis/química , Conocimientos, Actitudes y Práctica en Salud , Humanos , Entrevistas como Asunto , Perú , Preparaciones de Plantas/efectos adversos , Psicotrópicos/administración & dosificación , Psicotrópicos/efectos adversos , Medición de Riesgo/métodos
18.
JMIR Res Protoc ; 10(8): e26930, 2021 Aug 26.
Artículo en Inglés | MEDLINE | ID: mdl-34435969

RESUMEN

BACKGROUND: Chronic pain is a complex problem for many older adults that affects both physical functioning and psychological well-being. Mobile health (mHealth) technologies have shown promise in supporting older persons in managing chronic conditions. Cognitive behavior therapy is recommended for older people with chronic pain. However, web-based treatment programs for chronic pain are not aimed at the needs of older people and offer standard therapies without providing tailored treatment for this population. OBJECTIVE: To address this problem, we aim to develop a psychological web-based intervention for ecological monitoring of daily life experiences with chronic pain called EMMA to support self-management of chronic pain in older adults. METHODS: The key clinical and engagement features of the intervention were established through the integration of evidence-based material from cognitive behavioral therapy for the treatment of chronic pain in older adults. The development process uses a co-design approach and actively involves end-users in the design process by incorporating feedback from focus groups with older adults in order to inform a user-centered intervention design. For the co-design process, we will include 10 older adults with chronic pain, who will discuss the requirements for the app in workshops in order to ensure suitability of the app for older adults with chronic pain. In order to test the feasibility and acceptability of the intervention, we will include a sample of 30 older adults with chronic pain who will test all features of the intervention for a period of 8 consecutive weeks. After the trial period, validated instruments will be used to assess usability and acceptability, as well as influence on pain levels and associated physical and psychological symptoms. Participants will be invited to take part in a semistructured telephone interviews after the trial period to explore their experiences using the app. RESULTS: Digitalization of the pain diary and psychotherapeutic content has started. Recruitment of participants for the co-design workshops will start as soon as we have a functioning prototype of the electronic pain diary and EMMA intervention, which is expected to be in September 2021. The feasibility study will start as soon as the co-design process is finished and required changes have been implemented into the pain diary and the EMMA intervention. We expect to start the feasibility study early in 2022. CONCLUSIONS: Required changes to assure usability and acceptability will be directly implemented in the app. EMMA brings together a strong body of evidence using cognitive behavioral and self-management theory with contemporary mHealth principles, allowing for a cost-effective intervention that can be used to target chronic pain anywhere and anytime by older adults. Given the ubiquity of mHealth interventions for chronic conditions, the results of this study may serve to inform the development of tailored self-management interventions. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): PRR1-10.2196/26930.

19.
Psychiatry Res Neuroimaging ; 317: 111355, 2021 11 30.
Artículo en Inglés | MEDLINE | ID: mdl-34450453

RESUMEN

Anorexia nervosa (AN) is difficult to treat with up to half of patients failing to gain weight during treatment. Neurobiological factors predicting treatment response in AN are poorly understood. In this longitudinal study, we aimed to identify morphological characteristics in the grey matter which predict treatment success in patients with AN. Fifty patients with severe AN participated in an eating disorder-specific inpatient treatment. On admission, T1-weighted magnetic resonance images were acquired from all patients. Half of the patients successfully gained weight, reaching a body-mass index ≥ 17.5 kg/m2. Using voxel-based morphometry, local grey matter volumes were compared between the two groups of patients who gained weight and those who did not. This approach allowed us to identify anatomical characteristics which predict treatment success in terms of post-treatment weight status. Patients who did not reach the weight threshold at discharge had a smaller volume in the right cerebellar crus I at the time of admission. In this group, smaller volume was associated with a greater alexithymia score. The findings suggest that a trophic state within the cerebellum before treatment might be prognostic for treatment success. Consistent with previous reports, this result further substantiates the possible role of the cerebellum in the psychopathology of AN.


Asunto(s)
Anorexia Nerviosa , Anorexia Nerviosa/diagnóstico por imagen , Anorexia Nerviosa/terapia , Cerebelo/diagnóstico por imagen , Cerebelo/patología , Sustancia Gris/patología , Humanos , Estudios Longitudinales , Imagen por Resonancia Magnética/métodos
20.
Eur J Psychotraumatol ; 12(1): 1930897, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-34290846

RESUMEN

Background: The experience of intimate partner violence (IPV) is stressful. One objective way to monitor it is to assess victims' stress response by measuring the concentration of their salivary cortisol, the major stress hormone released by the hypothalamic-pituitary-adrenal axis. Objective: We investigated how the IPV experienced by women in Cameroon affects their stress levels and those of their children. Method: We recruited 50 mother-child dyads exposed to IPV and a control group of 25 mother-child dyads. All mothers completed questionnaires, including the Revised Conflict Tactics Scale to assess IPV, the Sense of Coherence Scale, and the Self-Esteem Scale, to assess their psychological resources. Mothers were asked to collect 3 saliva samples from themselves and 3 from their children on a single weekday: immediately after waking up, 30 minutes after waking up, and 45 minutes after waking up. The total cortisol secretion over the first hour after awakening was determined by calculating the area under the curve with respect to the ground (AUCg). Results: Mothers exposed to IPV exhibited higher total post-awakening cortisol concentrations compared with those in the control group. However, no significant difference was found between exposed and non-exposed children. In addition, higher IPV, specifically injuries, was significantly and positively associated with greater AUCg among mothers exhibiting lower self-esteem. When self-esteem was high, however, no significant effect of IPV on AUCg was observed. Conclusions: Of particular clinical significance is that self-esteem can modulate the stress levels of women exposed to IPV, a valuable insight into the development of effective psychosocial interventions to support IPV victims in sub-Saharan Africa.


Antecedentes: La experiencia de violencia de pareja (VIP) es estresante. Una forma objetiva de monitorearla es evaluar la respuesta al estrés de las víctimas midiendo la concentración de su cortisol salival, la principal hormona del estrés liberada por el eje hipotalámico-pituitario-adrenal.Objetivo: Investigamos cómo la VIP que experimentan las mujeres en Camerún afecta sus niveles de estrés y la de sus hijos.Método: Reclutamos 50 díadas madre-hijo expuestas a VIP y un grupo de control de 25 díadas madre-hijo. Todas las madres completaron cuestionarios, incluida la Escala de Tácticas de Conflicto revisada para evaluar la VIP, la Escala de Sentido de Coherencia y la Escala de Autoestima, para evaluar sus recursos psicológicos. Se pidió a las madres que recogieran 3 muestras de saliva de ellas mismas y 3 de sus hijos en un solo día de la semana: inmediatamente después de despertarse, 30 minutos después de despertarse y 45 minutos después de despertarse. La secreción total de cortisol durante la primera hora después del despertar se determinó calculando el área bajo la curva con respecto a la base (AUCg).Resultados: Las madres expuestas a VIP exhibieron concentraciones de cortisol total, después del despertar, más altas en comparación con las del grupo de control. Sin embargo, no se encontraron diferencias significativas entre niños expuestos y no expuestos. Además, una mayor VIP, específicamente las lesiones, se asociaron significativa y positivamente con un mayor AUCg entre las madres que mostraban una menor autoestima. Sin embargo, cuando la autoestima era alta, no se observaron efectos significativos de la VIP sobre el AUCg.Conclusiones: Que la autoestima pueda modular los niveles de estrés de las mujeres expuestas a VIP es de particular importancia clínica, una valiosa información sobre el desarrollo de intervenciones psicosociales efectivas para apoyar a las víctimas de VIP en África subsahariana.


Asunto(s)
Sistema Hipotálamo-Hipofisario , Violencia de Pareja/psicología , Madres/estadística & datos numéricos , Sistema Hipófiso-Suprarrenal , Autoimagen , Adolescente , Adulto , Camerún , Niño , Preescolar , Femenino , Humanos , Hidrocortisona/análisis , Madres/psicología , Saliva/química , Trastornos por Estrés Postraumático/metabolismo , Trastornos por Estrés Postraumático/psicología
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