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1.
Brain ; 2024 Apr 18.
Artigo em Inglês | MEDLINE | ID: mdl-38637303

RESUMO

The prediction error account of delusions has had success. However, its explanation of delusions with different contents has been lacking. Persecutory delusions and paranoia are the common unfounded beliefs that others have harmful intentions towards us. Other delusions include believing that one's thoughts or actions are under external control, or that events in the world have specific personal meaning. We compare learning on two different cognitive tasks, probabilistic reversal learning (PRL) and Kamin blocking, that have relationships to paranoid and non-paranoid delusion-like beliefs, respectively. We find that Clinical High-Risk status alone does not result in different behavioral results on the PRL task but that an individual's level of paranoia is associated with excessive switching behavior. During the Kamin blocking task, paranoid individuals learned inappropriately about the blocked cue. However, they also had decreased learning about the control cue, suggesting more general learning impairments. Non-paranoid delusion-like belief conviction (but not paranoia) was associated with aberrant learning about the blocked cue but intact learning about the control cue, suggesting specific impairments in learning related to cue combination. We fit task-specific computational models separately to behavioral data to explore how latent parameters vary within individuals between tasks, and how they can explain symptom-specific effects. We find that paranoia is associated with low learning rates on the PRL task as well as the blocking task. Non-paranoid delusion-like belief conviction was instead related to parameters controlling the degree and direction of similarity between cue updating during simultaneous cue presentation. These results suggest that paranoia and other delusion-like beliefs involve dissociable deficits in learning and belief updating, which - given the transdiagnostic status of paranoia - may have differential utility in predicting psychosis.

2.
Brain Behav Immun ; 117: 215-223, 2024 03.
Artigo em Inglês | MEDLINE | ID: mdl-38244947

RESUMO

BACKGROUND: Severe, chronic stress during childhood accentuates vulnerability to mental and physical health problems across the lifespan. To explain this phenomenon, the neuroimmune network hypothesis proposes that childhood stressors amplify signaling between peripheral inflammatory cells and developing brain circuits that support processing of rewards and threats. Here, we conducted a preliminary test of the basic premises of this hypothesis. METHODS: 180 adolescents (mean age = 19.1 years; 68.9 % female) with diverse racial and ethnic identities (56.1 % White; 28.3 % Hispanic; 26.1 % Asian) participated. The Childhood Trauma Interview was administered to quantify early adversity. Five inflammatory biomarkers were assayed in antecubital blood - C-reactive protein, tumor necrosis factor-a, and interleukins-6, -8, and -10 - and were averaged to form a composite score. Participants also completed a functional MRI task to measure corticostriatal responsivity to the anticipation and acquisition of monetary rewards. RESULTS: Stress exposure and corticostriatal responsivity interacted statistically to predict the inflammation composite. Among participants who experienced major stressors in the first decade of life, higher inflammatory activity covaried with lower corticostriatal responsivity during acquisition of monetary rewards. This relationship was specific to participants who experienced major stress in early childhood, implying a sensitive period for exposure, and were evident in both the orbitofrontal cortex and the ventral striatum, suggesting the broad involvement of corticostriatal regions. The findings were independent of participants' age, sex, racial and ethnic identity, family income, and depressive symptoms. CONCLUSIONS: Collectively, the results are consistent with hypotheses suggesting that major stress in childhood alters brain-immune signaling.


Assuntos
Experiências Adversas da Infância , Adolescente , Pré-Escolar , Feminino , Humanos , Masculino , Adulto Jovem , Encéfalo , Proteína C-Reativa , Hispânico ou Latino , Renda , Brancos , Asiático , Recompensa , Estresse Psicológico
3.
Psychother Res ; 34(4): 461-474, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-37695995

RESUMO

Objective: The Systemic Therapy Inventory of Change (STIC) is a systemic measurement feedback system that provides therapists with feedback regarding the multidimensional clinical change in individual, couple, and family therapy. The STIC Intersession scales include Individual Problems and Strengths (IPS), Relationship with Partner (RWP), Family/Household (FH), and Child Problems and Strengths (CPS). They are administered to clients before each therapy session. The purpose of the current study is to investigate the STIC Intersession scales' sensitivity to change, the ability to detect reliable and valid changes that occur after an intervention. Method: Participants (N = 583) who voluntarily received individual, couple, or family therapy services in a randomized clinical trial attended the study. Results: By comparing the changes in pre-therapy and post-therapy scores of the STIC Intersession scales with those of the corresponding reference measures, the external sensitivity to change of the STIC Intersession scales was supported. The IPS Intersession scale showed greater change than the Beck Anxiety Inventory. However, no evidence supported the discriminant validity of CPS's change scores. Conclusion: Thus, the STIC Intersession IPS, RWP, and FH can be validly used to assess multi-systemic changes in both research and clinical work.


Assuntos
Terapia Familiar , Humanos , Terapia Familiar/métodos , Retroalimentação , Criança
4.
Psychother Res ; : 1-14, 2024 Mar 05.
Artigo em Inglês | MEDLINE | ID: mdl-38442028

RESUMO

OBJECTIVE: In a randomized clinical trial, we evaluated whether the STIC (Systemic Therapy Inventory of Change) measurement and feedback system (MFS), the first MFS to explicitly integrate the family systems perspective, improved outcomes in individual, couple and family therapy. METHOD: Nine hundred and seventy clients seeking individual, couple or family therapy, entered therapy with 93 therapists at four sites in the Chicago metropolitan area. All therapists were trained with the STIC and participated in both Treatment as Usual (TAU) and TAU with the STIC (STIC). After agreeing to participate, clients were randomly assigned to TAU or STIC. Therapists did not know the condition to which a case was assigned, until just prior to the first session. Therapy was not time-limited or constrained, except for the use of the STIC in the STIC condition. All clients were evaluated on a non-STIC multi-systemic battery of widely used outcome measures pre-and-post therapy. RESULTS: STIC clients improved more than TAU clients regardless of treatment modality or outcome measure. Clinically significant change was also greater for STIC than TAU clients across outcome measures. CONCLUSION: The STIC MFS holds promise for improving outcomes beyond TAU in individual, couple, and family therapy.

5.
Acta Psychiatr Scand ; 147(6): 623-633, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-36905387

RESUMO

INTRODUCTION: Paranoia is a common and impairing psychosis symptom, which exists along a severity continuum that extends into the general population. Individuals at clinical high-risk for psychosis (CHR) frequently experience paranoia and this may elevate their risk for developing full psychosis. Nonetheless, limited work has examined the efficient measurement of paranoia in CHR individuals. The present study aimed to validate an often-used self-report measure, the revised green paranoid thoughts scale (RGPTS), in this critical population. METHOD: Participants were CHR individuals (n = 103), mixed clinical controls (n = 80), and healthy controls (n = 71) who completed self-report and interview measures. Confirmatory factor analysis (CFA), psychometric indices, group differences, and relations to external measures were used to evaluate the reliability and validity of the RGPTS. RESULTS: CFA replicated a two-factor structure for the RGPTS and the associated reference and persecution scales were reliable. CHR individuals scored significantly higher on both reference and persecution, relative to both healthy (ds = 1.03, 0.86) and clinical controls (ds = 0.64, 0.73). In CHR participants, correlations between reference and persecution and external measures were smaller than expected, though showed evidence of discriminant validity (e.g., interviewer-rated paranoia, r = 0.24). When examined in the full sample, correlation magnitude was larger and follow-up analyses indicated that reference related most specifically to paranoia (ß = 0.32), whereas persecution uniquely related to poor social functioning (ß = -0.29). CONCLUSION: These results demonstrate the reliability and validity of the RGPTS, though its scales related more weakly to severity in CHR individuals. The RGPTS may be useful in future work aiming to develop symptom-specific models of emerging paranoia in CHR individuals.


Assuntos
Transtornos Psicóticos , Humanos , Reprodutibilidade dos Testes , Transtornos Psicóticos/diagnóstico , Transtornos Paranoides/diagnóstico , Autorrelato , Relações Interpessoais
6.
Dev Psychopathol ; 35(2): 863-875, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-35285426

RESUMO

Early-life adversity is a major risk factor for psychopathology, but not all who experience adversity develop psychopathology. The current study evaluated whether the links between child and adolescent adversity and depression and anxiety were described by general benefits and/or buffering effects of interpersonal support. Data from 456 adolescents oversampled on neuroticism over a 5-year period were examined in a series of discrete-time survival analyses to predict subsequent disorder onsets. Models examined linear, quadratic, and interactive effects of interpersonal support over time, as measured by chronic interpersonal stress interview ratings. Results did not support buffering effects of interpersonal support against either child or adolescent adversity in predicting depression or anxiety. However, there was support for the general benefits model of interpersonal support as evidenced by follow-up analyses of significant quadratic effects of interpersonal support, demonstrating that higher interpersonal support led to decreased likelihood of depression and anxiety onsets. Secondary analyses demonstrated that effects of interpersonal support remained after accounting for baseline depression and anxiety diagnoses. Further, quadratic effects were driven by social domains as opposed to familial domains when considering child adversity. Implications for interventions and randomized controlled prevention trials regarding interpersonal relationships are discussed.


Assuntos
Experiências Adversas da Infância , Depressão , Criança , Adolescente , Humanos , Transtornos de Ansiedade/diagnóstico , Ansiedade , Relações Interpessoais
7.
Dev Psychopathol ; 35(3): 1235-1250, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-34743763

RESUMO

Early life adversity influences the diurnal cortisol rhythm, yet the relative influence of different characteristics of adversity remains unknown. In this study, we examine how developmental timing (childhood vs. adolescence), severity (major vs. minor), and domain of early life adversity relate to diurnal cortisol rhythms in late adolescence. We assessed adversity retrospectively in early adulthood in a subsample of 236 participants from a longitudinal study of a diverse community sample of suburban adolescents oversampled for high neuroticism. We used multilevel modeling to assess associations between our adversity measures and the diurnal cortisol rhythm (waking and bedtime cortisol, awakening response, slope, and average cortisol). Major childhood adversities were associated with flatter daily slope, and minor adolescent adversities were associated with greater average daily cortisol. Examining domains of childhood adversities, major neglect and sexual abuse were associated with flatter slope and lower waking cortisol, with sexual abuse also associated with higher cortisol awakening response. Major physical abuse was associated with higher waking cortisol. Among adolescent adversities domains, minor neglect, emotional abuse, and witnessing violence were associated with greater average cortisol. These results suggest severity, developmental timing, and domain of adversity influence the association of early life adversity with stress response system functioning.


Assuntos
Hidrocortisona , Estresse Psicológico , Humanos , Adolescente , Adulto , Estudos Longitudinais , Estresse Psicológico/psicologia , Estudos Retrospectivos , Saliva , Sistema Hipotálamo-Hipofisário , Ritmo Circadiano/fisiologia , Sistema Hipófise-Suprarrenal
8.
Eur J Neurosci ; 55(9-10): 2739-2753, 2022 05.
Artigo em Inglês | MEDLINE | ID: mdl-34989038

RESUMO

Altered functioning of the brain's threat and reward circuitry has been linked to early life adversity and to symptoms of anxiety and depression. To date, however, these relationships have been studied largely in isolation and in categorical-based approaches. It is unclear to what extent early life adversity and psychopathology have unique effects on brain functioning during threat and reward processing. We examined functional brain activity during a face processing task in threat (amygdala and ventromedial prefrontal cortex) and reward (ventral striatum and orbitofrontal cortex) regions of interest among a sample (N = 103) of young adults (aged 18-19 years) in relation to dimensional measures of early life adversity and symptoms of anxiety and depression. Results demonstrated a significant association between higher scores on the deprivation adversity dimension and greater activation of reward neural circuitry during viewing of happy faces, with the largest effect sizes observed in the orbitofrontal cortex. We found no significant associations between the threat adversity dimension, or symptom dimensions of anxiety and depression, and neural activation in threat or reward circuitries. These results lend partial support to theories of adversity-related alterations in neural activation and highlight the importance of testing dimensional models of adversity and psychopathology in large sample sizes to further our understanding of the biological processes implicated.


Assuntos
Individualidade , Estriado Ventral , Ansiedade , Depressão , Humanos , Imageamento por Ressonância Magnética/métodos , Recompensa , Adulto Jovem
9.
Annu Rev Clin Psychol ; 18: 233-258, 2022 05 09.
Artigo em Inglês | MEDLINE | ID: mdl-35134320

RESUMO

The authors describe how contemporary learning theory and research provide the basis for models of the etiology and maintenance of anxiety and related disorders. They argue that contemporary learning theory accounts for much of the complexity associated with individual differences in the development and course of these disorders. These insights from modern research on learning overcome the limitations of earlier behavioral approaches, which were overly simplistic and have been justifiably criticized. The authors show how considerations of early learning histories and temperamental vulnerabilities affect the short- and long-term likelihood that experiences with stressful events will lead to the development of anxiety disorders. They also discuss how contextual variables during and after stressful learning experiences influence the maintenance of anxiety disorder symptoms. Thus, contemporary learning models provide a rich and nuanced understanding of the etiology and course of anxiety and related disorders.


Assuntos
Transtornos de Ansiedade , Ansiedade , Transtornos de Ansiedade/etiologia , Causalidade , Humanos , Aprendizagem , Transtornos do Humor
10.
Eur J Neurosci ; 52(8): 3963-3978, 2020 10.
Artigo em Inglês | MEDLINE | ID: mdl-32282965

RESUMO

Investigating the neurobiology of language impairment and treatment in chronic stroke aphasia using fMRI requires an understanding of measurement variability within and between participants. In this multicenter study, we evaluated the scan-rescan reliability of an auditory and visual (written) story comprehension paradigm in stroke participants with aphasia (N = 65) and healthy controls (N = 22). The multi-modal task was conducted twice (~1 week apart) on separate visits upon study enrolment and twice again at completion three months later. A non-language visuomotor task was studied in the aphasia group only, which was conducted once per time point (3 months apart). While participants were asked to make responses during the comprehension task, these in-scanner responses were not recorded. Reliability was assessed using intraclass correlation coefficient (ICC) at both group and individual participant levels. The visual story comprehension condition had higher reliability than the auditory condition in both groups, with participants with aphasia exhibiting lower reliability than controls in both conditions (stroke ICC = .43, healthy ICC = .81). Differences in reliability within the group of participants with aphasia were found to be partially explained by overall language impairment as well as greater head motion. In the participants with aphasia, the visuomotor paradigm was found to have greater reliability than the story comprehension task at equivalent interscan intervals (visuomotor = 0.50, comprehension = 0.34), and its reliability was not associated with language impairment. This work highlights the importance of considering the reliability of fMRI tasks in aphasia research, provides strategies to improve reliability and has potential implications for the field of clinical neuroimaging in general.


Assuntos
Afasia , Acidente Vascular Cerebral , Afasia/diagnóstico por imagem , Afasia/etiologia , Humanos , Imageamento por Ressonância Magnética , Reprodutibilidade dos Testes , Acidente Vascular Cerebral/complicações , Acidente Vascular Cerebral/diagnóstico por imagem
11.
J Sex Marital Ther ; 46(3): 296-302, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-31661426

RESUMO

The purpose of this study was to examine the covarying relationship between commitment and sexual satisfaction in committed relationships throughout the course of couple therapy. A sample of 366 heterosexual couples completed questionnaires regarding sexual satisfaction and commitment at each of the first five sessions of couple therapy. Cross-lagged panel analyses revealed that, between the first and second therapy sessions, there was a bidirectional relationship between commitment and sexual satisfaction, with each variable at the first session predicting the other at the second session. In addition, sexual satisfaction at the second session predicted commitment at the third session.


Assuntos
Terapia de Casal , Relações Interpessoais , Orgasmo , Comportamento Sexual/psicologia , Adolescente , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Meio-Oeste dos Estados Unidos , Autorrelato , Adulto Jovem
12.
BMC Psychiatry ; 20(1): 317, 2020 06 19.
Artigo em Inglês | MEDLINE | ID: mdl-32560680

RESUMO

BACKGROUND: Previous research has suggested that worry is negatively associated with working memory performance. However, it is unclear whether these findings would replicate across different worry levels and in individuals with anxiety and depressive disorders (i.e. clinical statuses). METHOD: One-hundred-thirty-eight participants performed a two-block working memory task (150 trials per block). Based on participants` current clinical status, four groups were considered (generalised anxiety disorder group: n = 36; clinical group with another anxiety or mood disorders: n = 33; subclinical group: n = 27; control group: n = 42). Trait worry levels were collected from all of the participants. Working memory performance was measured as accuracy and reaction time. RESULTS: During the first block, higher worry scores were significantly associated with longer reaction times. Moreover, the generalised anxiety disorder group, clinical group, and subclinical groups demonstrated significantly longer reaction times compared to the control group in Block 1, when age was controlled for. From Block 1 to Block 2, all of the participants demonstrated a significant decrease in accuracy and reaction time, regardless of worry level or clinical status. CONCLUSION: The results indicate that higher worry levels negatively impact WM processing efficiency. Moreover, when age was controlled for, we found participants` clinical status to be linked with WM impairments. The results highlight the relevance of investigating the impact of different worry levels on cognitive processes across clinical and non-clinical populations.


Assuntos
Ansiedade , Memória de Curto Prazo , Transtornos de Ansiedade , Cognição , Humanos , Tempo de Reação
13.
J Pers Assess ; 102(4): 480-487, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-31276436

RESUMO

The study of aggression in juvenile offenders, a high priority from clinical and public health standpoints, depends on properly measuring and modeling aggression. The Aggressive Behaviors scale from the Youth Self-Report (YSR-AB) has been widely used to measure youth aggression, often functioning as a stand-alone scale in analyses (of note, even when analyzed alone, the YSR-AB must be administered as part of the full YSR to retain its integrity). However, knowledge of its factor analytic structure among juvenile offenders is lacking. We addressed this gap. Factor analyses of YSR-AB data from 310 probation youth (M age = 16 years, 90% African American, 66% male) supported a hierarchical structure, with 2 lower order factors distinguishing aggression targeting others (e.g., physical attack) from related symptoms (e.g., mood swings). The targeted aggression items showed significantly stronger associations with other externalizing symptoms than did the related symptom items; the opposite pattern emerged for internalizing symptoms. In further support of the convergent and discriminant validity of these subscales, the related symptoms were differentially linked to gender, with females reporting significantly higher levels than males. The hierarchical solution appeared to be stable over 1 year. Implications for interpreting past findings and conducting future research with the YSR-AB are discussed.


Assuntos
Comportamento do Adolescente , Agressão , Criminosos , Delinquência Juvenil , Psicometria/normas , Adolescente , Comportamento do Adolescente/fisiologia , Agressão/fisiologia , Feminino , Humanos , Masculino , Psicometria/instrumentação , Autorrelato/normas
14.
Fam Process ; 59(1): 36-51, 2020 03.
Artigo em Inglês | MEDLINE | ID: mdl-31497883

RESUMO

Routine Outcome Monitoring (ROM) is recommended as a psychotherapy procedure to serve as clinical feedback in order to improve client treatment outcomes. ROM can work as a warning signal to the therapist if the client shows signs of no change or deterioration. This study has investigated whether any difference in outcome could be detected between those clients in couple and family therapy who used the Systemic Therapy Inventory of Change (STIC) feedback system (ROM condition) versus those who were offered treatment without the use of STIC ("treatment as usual" or TAU condition). A sample of 328 adults seeking couple and family therapy in Norway was randomly assigned to ROM versus TAU conditions. Outcome measures were The Outcome Questionnaire-45 and The Revised Dyadic Adjustment Scale. The results demonstrated no significant differences in outcomes between the ROM and TAU. Possible explanations of this result related to design and implementation issues are discussed.


Assuntos
Terapia de Casal/métodos , Terapia Familiar/métodos , Avaliação de Resultados em Cuidados de Saúde/métodos , Modelo Transteórico , Adulto , Criança , Retroalimentação Psicológica , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Noruega , Inquéritos e Questionários , Resultado do Tratamento
15.
Cogn Affect Behav Neurosci ; 19(3): 637-652, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-30937705

RESUMO

Research has demonstrated that better value-based decision making (e.g., waiting or working for rewards) relates to greater executive function (EF) ability. However, EF is not a static ability, but is influenced by the emotional content of the task. As such, EF ability in emotional contexts may have unique associations with value-based decision making, in which costs and benefits are explicit. Participants (N = 229) completed an EF task (with both negative and neutral task conditions) and two value-based decision-making tasks. Willingness to wait and to work were evaluated in separate path models relating the waiting and working conditions to the EF conditions. Willingness to wait and willingness to work showed distinct relationships with EF ability: Greater EF ability on a negative, but not on a neutral, EF task was related to a willingness to wait for a reward, whereas greater EF ability across both EF tasks was related to a greater willingness to work for a reward. EF ability on a negative EF task showed an inverted-U relationship to willingness to wait for reward, and was most related to willingness to wait at a 6-month delay. Greater EF, regardless of whether the task was negative or neutral, was related to a greater willingness to work when reward was uncertain (50%) or was likely (88%), but not when reward was unlikely (12%). This study suggests that the emotional content of value-based decisions impacts the relationship between EF ability and willingness to wait or to work for reward.


Assuntos
Comportamento de Escolha/fisiologia , Função Executiva/fisiologia , Desempenho Psicomotor/fisiologia , Recompensa , Adolescente , Adulto , Aptidão/fisiologia , Desvalorização pelo Atraso/fisiologia , Feminino , Humanos , Masculino , Adulto Jovem
16.
Depress Anxiety ; 36(6): 480-489, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-31017373

RESUMO

BACKGROUND: The serotonin system and hypothalamic pituitary-adrenal (HPA)-axis are each implicated in the pathway to depression; human and animal research support these systems' cross-talk. Our work implicates a 5-variant additive serotoninergic multilocus genetic profile score (MGPS) and separately the cortisol awakening response (CAR) in the prospective prediction of depression; other work has shown that the serotonin transporter polymorphism 5HTTLPR predicts CAR and interacts with the CAR to predict depression. METHODS: We tested the hypothesis that a 6-variant MGPS (original plus 5HTTLPR) would interact with CAR to predict prospective depressive episode onsets in 201 emerging adults using four annual follow-up interviews. We also tested whether MGPS predicted CAR. We attempted replication of significant findings in a sample of 77 early adolescents predicting depression symptoms. RESULTS: In sample 1, MGPS did not significantly predict CAR. MGPS interacted with CAR to predict depressive episodes; CAR slopes for depression steepened as MGPS increased, for risk or protection. No single variant accounted for results, though CAR's interactions with 5HTTLPR and the original MGPS were both significant. In sample 2, the 6-variant MGPS significantly interacted with CAR to predict depression symptoms. CONCLUSIONS: Higher serotonergic MGPS appears to sensitize individuals to CAR level-for better and worse-in predicting depression.


Assuntos
Distinções e Prêmios , Depressão/genética , Depressão/metabolismo , Transtorno Depressivo/genética , Transtorno Depressivo/metabolismo , Hidrocortisona/metabolismo , Proteínas da Membrana Plasmática de Transporte de Serotonina/genética , Serotonina/metabolismo , Adolescente , Feminino , Humanos , Sistema Hipotálamo-Hipofisário/metabolismo , Masculino , Sistema Hipófise-Suprarrenal/metabolismo , Polimorfismo Genético , Estudos Prospectivos , Fatores de Risco , Proteínas da Membrana Plasmática de Transporte de Serotonina/metabolismo
17.
Memory ; 27(7): 916-923, 2019 08.
Artigo em Inglês | MEDLINE | ID: mdl-31092144

RESUMO

Sharing specific autobiographical events is likely to influence the support people give us; a person who shares little detail of their lives may be unlikely to attract social support and this may in turn contribute towards anxious and depressive symptoms. Participants (N = 142) reported memories evoked by negative and positive cue words and these memories were coded for whether or not they referred to a specific event lasting less than 24 h. At this time (T1) and one year later (T2), participants also completed the UCLA Life Stress Interview (LSI), which includes a measure of social support, and measures of depression and anxiety comprising a general distress latent construct. The tendency to recall fewer specific memories was associated with lower social support given by friends and romantic partners and this was in turn associated with elevated general distress at T2, even when accounting for T1 social support and general distress. Our findings contribute to the literature regarding the social function of memory and suggest another route via which reduced specificity contributes to emotional disorders.


Assuntos
Memória Episódica , Rememoração Mental/fisiologia , Apoio Social , Estresse Psicológico/psicologia , Adolescente , Emoções , Feminino , Humanos , Estudos Longitudinais , Masculino , Inquéritos e Questionários , Estados Unidos
18.
Cogn Emot ; 33(3): 466-479, 2019 05.
Artigo em Inglês | MEDLINE | ID: mdl-29623753

RESUMO

Theoretical models of depression posit that, under stress, elevated trait rumination predicts more pronounced or prolonged negative affective and neuroendocrine responses, and that trait rumination hampers removing irrelevant negative information from working memory. We examined several gaps regarding these models in the context of lab-induced stress. Non-depressed undergraduates completed a rumination questionnaire and either a negative-evaluative Trier Social Stress Test (n = 55) or a non-evaluative control condition (n = 69), followed by a modified Sternberg affective working memory task assessing the extent to which irrelevant negative information can be emptied from working memory. We measured shame, negative and positive affect, and salivary cortisol four times. Multilevel growth curve models showed rumination and stress interactively predicted cortisol reactivity; however, opposite predictions, greater rumination was associated with blunted cortisol reactivity to stress. Elevated trait rumination interacted with stress to predict augmented shame reactivity. Rumination and stress did not significantly interact to predict working memory performance, but under control conditions, rumination predicted greater difficulty updating working memory. Results support a vulnerability-stress model of trait rumination with heightened shame reactivity and cortisol dysregulation rather than hyper-reactivity in non-depressed emerging adults, but we cannot provide evidence that working memory processes are critical immediately following acute stress.


Assuntos
Afeto , Cognição , Hidrocortisona/metabolismo , Estresse Psicológico/psicologia , Pensamento , Adolescente , Feminino , Humanos , Masculino , Memória de Curto Prazo , Saliva/metabolismo , Vergonha , Inquéritos e Questionários , Adulto Jovem
19.
BMC Psychiatry ; 18(1): 86, 2018 04 03.
Artigo em Inglês | MEDLINE | ID: mdl-29614982

RESUMO

BACKGROUND: Bona fide psychotherapy approaches are effective treatments for generalized anxiety disorder (GAD) compared to no-treatment conditions. Treatment manuals and protocols allow a relatively high degree of freedom for the way therapists implement these overall treatment packages and there is a systematic lack of knowledge on how therapists should customize these treatments. The present study experimentally examines two implementation strategies of customizing a bona fide psychotherapy approach based on a 16 session time-limited cognitive-behavioral therapy (CBT) protocol and their relation to the post-session and ultimate treatment outcomes. METHODS: This trial contrasts two different implementation strategies of how to customize the in-session structure of a manual-based CBT-protocol for GAD. The patients will be randomly assigned to two implementation conditions: (1) a systematic focus on subtle changes lasting from 7 to 20 min at the check-in phase of every psychotherapy session and (2) a state-of-the-art (SOTA) check-in phase lasting several minutes mainly focused on the session goals. Potential therapist effects will be examined based on an ABAB crossed-therapist design. Treatment outcomes will be assessed at the following times: post-session outcomes, treatment outcome at post assessment and 6- as well as 12-month follow-up. DISCUSSION: The proposed randomized clinical implementation trial addresses the clinically relevant question of how to customize a bona fide psychotherapy protocol experimentally contrasting two implementation strategies. Through the development and testing of the proposed implementation design, this trial has the potential to inform therapists about efficacious implementation strategies of how to customize a manual-based treatment protocol in respect to the timing of the in-session structure. TRIAL REGISTRATION: This trial was registered at ClinicalTrials.gov ( NCT03079336 ) at March 14, 2017.


Assuntos
Transtornos de Ansiedade/terapia , Protocolos Clínicos , Terapia Cognitivo-Comportamental/métodos , Psicoterapia de Grupo/métodos , Adulto , Transtornos de Ansiedade/psicologia , Terapia Combinada , Humanos , Fatores de Tempo , Resultado do Tratamento
20.
Psychother Res ; 28(5): 734-749, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-28569097

RESUMO

OBJECTIVE: The Systemic Therapy Inventory of Change (STIC®) is the first multi-systemic and multi-dimensional measurement and feedback system designed for assessment in family, couple, and individual functioning. Patients fill out the STIC Initial before the first session to identify treatment targets and provide starting values for subsequent assessments of trajectories of change. This study tested the construct validity of five of the six STIC Initial scales. METHODS: We administered both the STIC Initial and a set of validity measures to a relatively large sample of patients. Convergent and discriminant validity were tested using both an examination of observed correlations and confirmatory factor analysis (CFA). RESULTS: The correlations among the observed measures showed that the convergent validity coefficients were generally large, whereas the discriminant validity coefficients were moderate to small. Similarly, CFAs suggested that the STIC total scales and subscales are good indicators of the factors they were intended to measure and that the STIC total scales and subscales are weakly related to the factors they were intended to not measure. CONCLUSION: The results supported the convergent and discriminant validity of the five scales of the STIC Initial. Clinical or methodological significance of this article: The clinical significance of this article is that it demonstrates that the STIC Initial should be useful for identifying treatment targets including both which systems, in addition to the facets within each system, that require targeting. The methodological significance is twofold. First, the use of CFA for testing convergent and discriminant validity is still relatively rare. Second, we demonstrated how to use CFA for a more stringent test of discriminant validity compared with the original approach described by Cole ( 1987 ).


Assuntos
Terapia de Casal/métodos , Terapia Familiar/métodos , Transtornos Mentais/terapia , Avaliação de Resultados em Cuidados de Saúde/normas , Escalas de Graduação Psiquiátrica/normas , Psicometria/normas , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Avaliação de Resultados em Cuidados de Saúde/métodos , Psicometria/instrumentação , Reprodutibilidade dos Testes
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