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1.
Int J Eat Disord ; 57(2): 410-422, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38124655

RESUMO

OBJECTIVE: This pilot study aims to investigate the feasibility, acceptability, and potential effectiveness of online Compassion Focused Therapy for overeating (CFT-OE). METHOD: Eighteen Portuguese women seeking treatment for overeating were enrolled in this study, and 15 participants completed the CFT-OE. This was a single-arm study. Participants were assessed at pre- and post-intervention and 3-month follow-up. All participants completed measures assessing binge eating, cognitive restraint, uncontrolled eating, emotional eating, general eating psychopathology, general and body shame, self-criticism, self-compassion, and fears of self-compassion. RESULTS: The treatment attrition rate was 16.7%, which is relatively low compared to other similar online interventions. Participants gave positive feedback on the program and indicated they would recommend it to people with similar difficulties. CFT-OE improved self-compassion and reduced eating psychopathology symptoms, general and body shame, self-criticism, and fears of self-compassion. Clinical significance analysis showed that the majority of participants were classified as in recovery in all measures at post-intervention and 3-month follow-up. DISCUSSION: Preliminary results suggest that the online CFT-OE program is an acceptable and feasible intervention. Results also suggest that CFT-OE is beneficial for the treatment of women with difficulties with overeating. A future randomized controlled trial is necessary to establish the effectiveness of the CFT-OE. PUBLIC SIGNIFICANCE: This study indicates that online CFT-OE is a feasible and adequate intervention for women who struggle with overeating. This therapy showed promising results in reducing eating disorder symptoms, shame, and self-criticism and improving self-compassion. As an online intervention, CFT-OE may be more accessible and offer an alternative to in-person therapy.


Assuntos
Emoções , Empatia , Humanos , Feminino , Projetos Piloto , Estudos de Viabilidade , Hiperfagia/terapia
2.
Klin Padiatr ; 236(5): 269-279, 2024 Sep.
Artigo em Alemão | MEDLINE | ID: mdl-38458231

RESUMO

Bardet-Biedl syndrome (BBS) is a rare, autosomal recessive multisystem disease. The pathophysiological origin is a dysfunction of the primary cilium. Clinical symptoms are heterogeneous and variable: retinal dystrophy, obesity, polydactyly, kidney abnormalities, hypogenitalism and developmental delays are the most common features. By the approval of the melanocortin 4 receptor agonist setmelanotide, a drug therapy for BBS-associated hyperphagia and obesity can be offered for the first time. Hyperphagia and severe obesity represent a considerable burden and are associated with comorbidity and increased mortality risk. Due to the limited experience with setmelanotide in BBS, a viable comprehensive therapy concept is to be presented. Therapy decision and management should be conducted in expert centers. For best therapeutic effects with setmelanotide adequate information of the patient about the modalities of the therapy (daily subcutaneous injection) and possible adverse drug events are necessary. Furthermore, the involvement of psychologists, nutritionists and nursing services (support for the application) should be considered together with the patient. The assessment of therapy response should be carried out with suitable outcome measurements and centrally reported to an adequate register.


Assuntos
Síndrome de Bardet-Biedl , Hiperfagia , Síndrome de Bardet-Biedl/terapia , Síndrome de Bardet-Biedl/diagnóstico , Humanos , Hiperfagia/terapia , Hiperfagia/diagnóstico , Hiperfagia/etiologia , Criança , Adolescente , Receptor Tipo 4 de Melanocortina/genética , Terapia Combinada , Colaboração Intersetorial , Comunicação Interdisciplinar , Obesidade Mórbida/complicações
3.
J Appl Res Intellect Disabil ; 35(2): 460-470, 2022 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-34904341

RESUMO

BACKGROUND: Despite work on the self-identities of people with intellectual disabilities, research has yet to describe the self-perceptions of people with Prader-Willi syndrome (PWS). The perspectives of those with PWS are also important for rapidly evolving clinical trials aimed at treating symptoms of PWS. METHOD: Twenty-one young people with PWS were administered a semi-structured interview that assessed how they perceive their syndrome and clinical trials. Transcribed interviews were reliably coded using content-driven, applied thematic analyses. RESULTS: Five themes emerged: struggles with chronic hunger and food-seeking that impede goals and relationships; struggles with anxiety and outbursts, schedule changes and school; distancing from PWS; needs for clinical trials that cure PWS, reduce hunger or anxiety, and lead to improved outcomes; and needs for advocacy and awareness of PWS. CONCLUSIONS: Findings shed new light on the self-perceptions of those with PWS and have important implications for current interventions and future clinical trials.


Assuntos
Deficiência Intelectual , Síndrome de Prader-Willi , Adolescente , Ansiedade , Transtornos de Ansiedade , Humanos , Hiperfagia/terapia
4.
Int J Behav Med ; 26(4): 443-448, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-31236874

RESUMO

BACKGROUND: Poor functional exercise capacity is common among those with obesity; however, objective measures of exercise capacity are rarely examined in behavioral treatments targeting obese individuals. We examined whether a 4-week acceptance and commitment therapy (ACT) intervention for disinhibited eating or a behavioral weight loss (BWL) intervention improved exercise capacity and explored demographic and disinhibited eating variables related to exercise capacity. METHODS: Veterans (n = 61), randomized to receive ACT or BWL, completed an assessment of exercise capacity via the 6-min walk test (6MWT) at baseline and 6-month follow-up. Measures of disinhibited eating patterns and body mass index (BMI), at baseline and post-treatment, were also collected. Change in 6MWT distance and treatment group differences were examined using mixed ANOVAs. Characteristics related to baseline 6MWT and predictors of improvement in 6MWT at 6 months were examined with hierarchical multiple regression. RESULTS: There were overall significant improvements on the 6MWT from baseline to 6-month follow-up (F(1,59) = 11.14, p = .001, ηp2 = .159) but no differences between the ACT and BWL groups. Baseline BMI (ß = - .33, p = .005) was the only variable related to baseline 6MWT. Improvements on the 6MWT were related to younger age (ß = - .41, p = 0.001), female gender (ß = .36, p = .001), and treatment-related increases in dietary restraint behaviors (ß = .42, p = .001). CONCLUSIONS: Functional exercise capacity improved among participants completing behavioral interventions for weight and disinhibited eating. Improvements in dietary behavior regulatory skills may have generalized to improved regulation in other behavioral domains associated with exercise capacity.


Assuntos
Terapia Comportamental/métodos , Tolerância ao Exercício , Hiperfagia/fisiopatologia , Obesidade/fisiopatologia , Adulto , Índice de Massa Corporal , Peso Corporal , Comportamento Alimentar , Feminino , Humanos , Hiperfagia/terapia , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Obesidade/terapia , Resultado do Tratamento , Veteranos , Teste de Caminhada , Caminhada , Redução de Peso
5.
Int J Behav Med ; 26(5): 461-473, 2019 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-30993601

RESUMO

BACKGROUND: Stress can lead to excessive weight gain. Mindfulness-based stress reduction that incorporates mindful eating shows promise for reducing stress, overeating, and improving glucose control. No interventions have tested mindfulness training with a focus on healthy eating and weight gain during pregnancy, a period of common excessive weight gain. Here, we test the effectiveness of such an intervention, the Mindful Moms Training (MMT), on perceived stress, eating behaviors, and gestational weight gain in a high-risk sample of low income women with overweight/obesity. METHOD: We conducted a quasi-experimental study assigning 115 pregnant women to MMT for 8 weeks and comparing them to 105 sociodemographically and weight equivalent pregnant women receiving treatment as usual. Our main outcomes included weight gain (primary outcome), perceived stress, and depression. RESULTS: Women in MMT showed significant reductions in perceived stress (ß = - 0.16) and depressive symptoms (ß = - 0.21) compared to the treatment as usual (TAU) control group. Consistent with national norms, the majority of women (68%) gained excessive weight according to Institute of Medicine weight-gain categories, regardless of group. Slightly more women in the MMT group gained below the recommendation. Among secondary outcomes, women in MMT reported increased physical activity (ß = 0.26) and had lower glucose post-oral glucose tolerance test (ß = - 0.23), being 66% less likely to have impaired glucose tolerance, compared to the TAU group. CONCLUSION: A short-term intervention led to significant improvements in stress, and showed promise for preventing glucose intolerance. However, the majority of women gained excessive weight. A longer more intensive intervention may be needed for this high-risk population. Clinical Trials.gov #NCT01307683.


Assuntos
Glicemia/metabolismo , Atenção Plena/métodos , Complicações na Gravidez/terapia , Aumento de Peso/fisiologia , Adulto , Depressão/terapia , Dieta Saudável/psicologia , Feminino , Humanos , Hiperfagia/terapia , Obesidade/terapia , Sobrepeso/terapia , Projetos Piloto , Pobreza , Gravidez , Adulto Jovem
6.
Eat Weight Disord ; 24(2): 373-377, 2019 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-30443799

RESUMO

PURPOSE: The current study investigated the impact of a modified Dialectical Behavior Therapy skills (DBT) training group for patients at a hospital outpatient weight management clinic. Emotional eating is a problematic strategy for managing unpleasant feelings that can have a deleterious impact on weight management. DBT addresses emotional dysregulation via incorporation of skills aimed at coping with unpleasant affect. METHODS: This study examines outcomes for 18 patients who participated in a 12-week DBT skills building group. A pre-post design with 3-month follow-up investigated the impact of the group on emotional eating, psychological distress, emotion regulation, and mindfulness. RESULTS: Four repeated measures ANOVAs were run to assess for changes related to life difficulties and functioning, emotional overeating, emotion regulation, and mindfulness. Fisher's LSD tests assessed for linear and quadratic trends. Improvements in mindfulness, emotion regulation, and emotional overeating were found; these were maintained at follow-up. CONCLUSIONS: This study demonstrated the utility of a group-based intervention aimed at improving emotion regulation and mindfulness skills among weight management patients. Further study is needed to determine whether improvements in the constructs studied in this research would translate to improved weight management outcomes and in determining the pathway for improvements. LEVEL OF EVIDENCE: Level IV, multiple time series with intervention.


Assuntos
Terapia do Comportamento Dialético , Emoções , Hiperfagia/terapia , Atenção Plena , Estresse Psicológico/terapia , Adulto , Idoso , Feminino , Humanos , Hiperfagia/psicologia , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Estresse Psicológico/psicologia , Resultado do Tratamento
7.
Matern Child Health J ; 22(5): 670-678, 2018 05.
Artigo em Inglês | MEDLINE | ID: mdl-29455384

RESUMO

Background High stress and depression during pregnancy are risk factors for worsened health trajectories for both mother and offspring. This is also true for pre-pregnancy obesity and excessive gestational weight gain. Reducing stress and depression may be one path to prevent excessive caloric intake and gestational weight gain. Study Purpose We tested the feasibility of two novel interventions aimed at reducing stress and overeating during pregnancy. Reflecting different theoretical underpinnings, the interventions target different mechanisms. Mindful Moms Training (MMT) uses mindfulness to improve awareness and acceptance of experiences and promote conscious rather than automatic behavior choices. Emotional Brain Training (EBT) uses active coping to change perceptions of negative experience and promote positive affective states. Methods Forty-six overweight/obese low-income women were assigned to either MMT (n = 24) or EBT (n = 22) for an 8-week feasibility study. Pre-post changes in perceived stress, eating and presumed mechanisms were assessed. Results Women reported high levels of stress at baseline. Both interventions were well attended and demonstrated clinically significant pre-post reductions in stress, depressive symptoms, and improved eating behaviors. MMT significantly decreased experiential avoidance, whereas EBT significantly increased positive reappraisal; these changes were marginally significantly different by group. Conclusions This feasibility study found that both interventions promoted meaningful reductions in stress and depressive symptoms and improved reported eating behaviors in a high-risk group of pregnant women. Each intervention has a potentially different pathway-acceptance for MMT and reappraisal for EBT. Larger studies are needed to test efficacy on longer term reductions in stress and overeating.


Assuntos
Depressão/terapia , Comportamento Alimentar/psicologia , Hiperfagia/terapia , Atenção Plena/métodos , Complicações na Gravidez/terapia , Gestantes/psicologia , Estresse Psicológico/terapia , Adolescente , Adulto , Depressão/psicologia , Emoções , Estudos de Viabilidade , Feminino , Humanos , Hiperfagia/psicologia , Pessoa de Meia-Idade , Obesidade/complicações , Obesidade/prevenção & controle , Sobrepeso/complicações , Sobrepeso/prevenção & controle , Gravidez , Complicações na Gravidez/psicologia , Estresse Psicológico/psicologia , Resultado do Tratamento , Adulto Jovem
8.
Am J Psychother ; 71(1): 2-8, 2018 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-29733675

RESUMO

This article examines psychological sequelae underlying dysregulated eating in the overweight and obese patient and proposes a psychotherapy approach informed by classical and modern attachment theory, developmental trauma, and neuroscience to address these structural deficits.


Assuntos
Hiperfagia/psicologia , Hiperfagia/terapia , Obesidade/psicologia , Obesidade/terapia , Apego ao Objeto , Psicoterapia , Humanos
9.
J Clin Nurs ; 26(19-20): 3224-3231, 2017 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-27878873

RESUMO

AIMS AND OBJECTIVES: To investigate the effectiveness of spaced retrieval for improving hyperphagia in patients with dementia in residential care settings. BACKGROUND: Although 10-30% of patients with dementia have hyperphagia, most studies have focused on eating difficulties. Only a few studies have focused on hyperphagia. Various memory problems cause hyperphagia in patients with dementia. Spaced retrieval, a cognitive technique for information learning, can be used as a training method to improve memory loss. Recent studies showed that patients who received the training successfully memorised information learned in the training and correctly applied it to their daily lives. STUDY DESIGN: Single-blind experiments were performed. METHODS: The 97 subjects with dementia were recruited from seven institutions. All research participants were stratified into three groups according to cognitive impairment severity and Hyperphagic Behavior Scale scores and then randomly assigned to the experimental and control groups. The experimental group received a six-week one-by-one spaced retrieval training for hyperphagia behaviour. The control group received routine care. RESULTS: After the intervention, the frequency and severity of hyperphagia in the patients with dementia, and food intake were significantly lower in the experimental group than in the control group. However, body mass index did not significantly differ. CONCLUSION: Our results suggest that the spaced retrieval training could decrease the frequency and severity of hyperphagia in patients with dementia. The content of this training programme is consistent with the normal manner of eating in daily life and is easy for patients to understand and perform. Therefore, it can be applied in residents' daily lives. RELEVANCE TO CLINICAL PRACTICE: This study confirms the efficacy of the spaced retrieval training protocol for hyperphagia in patients with dementia. In future studies, the follow-up duration can be increased to determine the long-term effectiveness of the intervention.


Assuntos
Terapia Cognitivo-Comportamental/métodos , Demência/psicologia , Hiperfagia/terapia , Atividades Cotidianas , Idoso , Idoso de 80 Anos ou mais , Índice de Massa Corporal , Estudos de Casos e Controles , Demência/complicações , Feminino , Humanos , Hiperfagia/complicações , Masculino , Pessoa de Meia-Idade , Casas de Saúde , Índice de Gravidade de Doença , Método Simples-Cego
10.
Int J Eat Disord ; 49(5): 490-8, 2016 May.
Artigo em Inglês | MEDLINE | ID: mdl-26790360

RESUMO

OBJECTIVE: Interpersonal psychotherapy (IPT) is aimed at improving negative affect that is purported to contribute to the development and maintenance of loss-of-control (LOC) eating. Although youth who report LOC over eating tend to consume more snack-foods than those without LOC, it is unknown if IPT impacts objective energy intake. METHODS: To test if IPT improves mood and eating in the laboratory, we examined a sample of 88 girls with LOC eating who were randomized to either IPT (n = 46) or a standard-of-care health education (HE) group program. At baseline, and 6-month (follow-up 1) and 1-year (follow-up 2) following the initiation of the groups, girls consumed lunch from a multi-item meal with an instruction designed to model a LOC episode. Girls also reported mood state immediately before each meal. RESULTS: Girls in IPT experienced no significant changes in pre-meal state depressive affect, while girls in HE experienced a non-significant improvement by follow-up 1 and then returned to baseline by follow-up 2 (p < .04). We found no significant group difference for changes in total intake relative to girls' daily energy needs (p's ≥ .25). However, IPT reduced, while HE increased, the percentage of daily energy needs consumed from snack-foods by follow-up 2 (p = .04). Within-groups, HE increased their snack food intake from follow-up 1 to follow-up 2 (p = .01). CONCLUSIONS: In adolescent girls with LOC, IPT did not change total intake at the test meal and was associated with reduced snack-food intake. Data are required to determine if IPT effectively prevents excess weight gain in the longer-term. © 2015 Wiley Periodicals, Inc. (Int J Eat Disord 2016; 49:490-498).


Assuntos
Afeto/fisiologia , Educação em Saúde/métodos , Hiperfagia/terapia , Psicoterapia/métodos , Adolescente , Ingestão de Alimentos/psicologia , Ingestão de Energia , Feminino , Humanos , Hiperfagia/psicologia , Refeições , Aumento de Peso/fisiologia
11.
Appetite ; 99: 105-111, 2016 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-26792773

RESUMO

Despite common wisdom that reducing alcohol intake will facilitate weight loss, little research has examined whether participants in behavioral weight loss treatments actually decrease their alcohol intake, or whether reduced alcohol intake relates to weight loss outcomes in this context. This study examined the relationship of alcohol use to energy intake excluding alcohol and to weight in 283 overweight and obese adults participating in a 26-session behavioral weight loss treatment. The majority of participants consumed low to moderate levels of alcohol at baseline. Participants who consumed alcohol at baseline meaningfully reduced their alcohol intake by end-of-treatment. Alcohol use did not relate to weight at baseline or end-of-treatment when controlling for relevant demographic variables, and change in alcohol use was unrelated to weight change in the overall sample during treatment. However, end-of-treatment alcohol intake did relate to end-of-treatment energy intake excluding alcohol. In addition, behavioral impulsivity and change in alcohol intake interacted to predict weight loss, such that decreases in alcohol intake were associated with greater percent weight loss at end-of-treatment for participants with higher levels of impulsivity. Alcohol consumption may lead to overeating episodes, and highly impulsive individuals may be at risk for increased energy intake during or after episodes of drinking. Therefore, the recommendation to reduce alcohol intake in the context of behavioral weight loss treatment seems warranted, particularly for individuals with high levels of impulsivity.


Assuntos
Consumo de Bebidas Alcoólicas , Comportamentos Relacionados com a Saúde , Obesidade/terapia , Sobrepeso/terapia , Redução de Peso , Adolescente , Adulto , Idoso , Terapia Comportamental , Índice de Massa Corporal , Estudos de Coortes , Ingestão de Energia , Feminino , Humanos , Hiperfagia/psicologia , Hiperfagia/terapia , Masculino , Rememoração Mental , Pessoa de Meia-Idade , Obesidade/psicologia , Sobrepeso/psicologia , Adulto Jovem
12.
Appetite ; 105: 567-74, 2016 10 01.
Artigo em Inglês | MEDLINE | ID: mdl-27349707

RESUMO

Working memory (WM) plays a critical role in cognitive control by shielding self-regulatory goals from distraction by desire-related thoughts and emotions. This study examined whether training WM increases self-regulation in overweight participants. It was hypothesized that WM training would decrease psychopathological eating-related thoughts, (over)consumption of food in response to emotions and external cues, food intake and body weight. Overweight participants (n = 50) performed 20-25 sessions of WM training or control/sham training. The dependent measures were self-reported eating-related psychopathology, self-reported emotional/external eating behavior, food intake during a bogus taste test, and body weight, assessed before training, immediately following training, and at one-month follow-up. Relative to control, WM training reduced psychopathological eating-related thoughts and emotional eating (but not external eating). These effects were still present at follow-up, one month later. Food intake and body weight did not show an overall effect of training, though WM training did reduce food intake among highly restrained participants. WM training effectively reduced eating-related thoughts, overeating in response to negative emotions, and food intake among participants with strong dietary restraint goals. Hence, these findings indicate that WM training may strengthen self-regulation by shielding dieting goals from distraction by unwanted eating-related thoughts and emotions.


Assuntos
Restrição Calórica , Dieta/psicologia , Ingestão de Alimentos/psicologia , Memória de Curto Prazo , Sobrepeso/psicologia , Autocontrole/psicologia , Adolescente , Adulto , Idoso , Índice de Massa Corporal , Peso Corporal , Sinais (Psicologia) , Emoções , Feminino , Seguimentos , Humanos , Hiperfagia/psicologia , Hiperfagia/terapia , Aprendizagem , Masculino , Pessoa de Meia-Idade , Motivação , Sobrepeso/terapia , Autorrelato , Adulto Jovem
13.
Appetite ; 100: 10-7, 2016 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-26853599

RESUMO

Although eating desires can be easily learned, their extinction appears more difficult. The present two-session study aimed to investigate the role of eating expectancies in the short and longer-term extinction of eating desires. In addition, the relationship between eating desires and conditioned evaluations was examined to test whether they might share a similar mechanism. It was hypothesized that the short-term extinction of eating desires would be more successful after the disconfirmation of eating expectancies (instructed extinction or IE), while resulting in worse longer-term extinction because omission of the food reward during extinction is not surprising. In contrast to the hypotheses, it was found that IE had no effect on the short-term and longer-term extinction of eating desires. Eating desires correlated with conditioned evaluations only to some extent. It is concluded that eating expectancies do not mediate the short-term extinction of conditioned eating desires. In addition, their longer-term extinction does not appear to be facilitated by a greater violation of eating expectancies. This suggests that it might not be necessary to focus on expectancy violation in cue exposure therapy to reduce eating desires.


Assuntos
Regulação do Apetite , Doces/efeitos adversos , Chocolate/efeitos adversos , Dieta Redutora , Extinção Psicológica , Preferências Alimentares , Educação de Pacientes como Assunto , Adolescente , Adulto , Terapia Comportamental/educação , Terapia Comportamental/métodos , Condicionamento Psicológico , Sinais (Psicologia) , Dieta Redutora/psicologia , Feminino , Preferências Alimentares/psicologia , Humanos , Hiperfagia/dietoterapia , Hiperfagia/psicologia , Hiperfagia/terapia , Países Baixos , Cooperação do Paciente/psicologia , Recompensa , Fatores de Tempo , Adulto Jovem
14.
Appetite ; 102: 15-24, 2016 07 01.
Artigo em Inglês | MEDLINE | ID: mdl-26802721

RESUMO

Because body weight is largely seen as controllable, weight stigma-the social devaluation of those who are overweight-is not subject to the social norms that condemn open expression of racism and sexism. Indeed, rejection of peers based on perceptions of excess weight is normative. Since weight stigma is internalized, popular views (and often the views of physicians) have suggested that increasing the salience of weight stigma might produce a reduction in overeating and/or an increase in physical activity. However, that perspective is not rooted in scientific evidence. Recent randomized controlled designs demonstrate that stigma may promote overeating. Correlational evidence suggests that self-reported stigma experience is associated with risk for binge eating and decreased interest in physical exercise and dieting, for children and adults. In addition to reviewing these research studies, this paper examines the potential for intersectionality of stigma across multiple social identities and considers alternatives to stigmatizing weight loss interventions.


Assuntos
Transtorno da Compulsão Alimentar/psicologia , Comportamento Alimentar/psicologia , Hiperfagia/psicologia , Modelos Psicológicos , Sobrepeso/prevenção & controle , Estigma Social , Adolescente , Comportamento do Adolescente/psicologia , Fenômenos Fisiológicos da Nutrição do Adolescente , Adulto , Transtorno da Compulsão Alimentar/etiologia , Transtorno da Compulsão Alimentar/terapia , Criança , Comportamento Infantil/psicologia , Fenômenos Fisiológicos da Nutrição Infantil , Terapia Combinada/psicologia , Dieta Saudável/psicologia , Humanos , Hiperfagia/etiologia , Hiperfagia/terapia , Sobrepeso/psicologia , Sobrepeso/terapia , Cooperação do Paciente/psicologia , Influência dos Pares , Identificação Social
15.
Appetite ; 100: 86-93, 2016 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-26867697

RESUMO

Many individuals with obesity report over eating despite intentions to maintain or lose weight. Two barriers to long-term weight loss are reward-driven eating, which is characterized by a lack of control over eating, a preoccupation with food, and a lack of satiety; and psychological stress. Mindfulness training may address these barriers by promoting awareness of hunger and satiety cues, self-regulatory control, and stress reduction. We examined these two barriers as potential mediators of weight loss in the Supporting Health by Integrating Nutrition and Exercise (SHINE) randomized controlled trial, which compared the effects of a 5.5-month diet and exercise intervention with or without mindfulness training on weight loss among adults with obesity. Intention-to-treat multiple mediation models tested whether post-intervention reward-driven eating and psychological stress mediated the impact of intervention arm on weight loss at 12- and 18-months post-baseline among 194 adults with obesity (BMI: 30-45). Mindfulness (relative to control) participants had significant reductions in reward-driven eating at 6 months (post-intervention), which, in turn, predicted weight loss at 12 months. Post-intervention reward-driven eating mediated 47.1% of the total intervention arm effect on weight loss at 12 months [ß = -0.06, SE(ß) = 0.03, p = .030, 95% CI (-0.12, -0.01)]. This mediated effect was reduced when predicting weight loss at 18 months (p = .396), accounting for 23.0% of the total intervention effect, despite similar weight loss at 12 months. Psychological stress did not mediate the effect of intervention arm on weight loss at 12 or 18 months. In conclusion, reducing reward-driven eating, which can be achieved using a diet and exercise intervention that includes mindfulness training, may promote weight loss (clinicaltrials.gov registration: NCT00960414).


Assuntos
Regulação do Apetite , Dieta Redutora , Comportamento Alimentar , Atenção Plena , Obesidade/dietoterapia , Cooperação do Paciente , Estresse Psicológico/terapia , Adulto , Índice de Massa Corporal , Terapia Combinada , Exercício Físico , Feminino , Processos Grupais , Humanos , Hiperfagia/dietoterapia , Hiperfagia/fisiopatologia , Hiperfagia/psicologia , Hiperfagia/terapia , Masculino , Pessoa de Meia-Idade , Atenção Plena/educação , Obesidade/fisiopatologia , Obesidade/psicologia , Obesidade/terapia , Obesidade Mórbida/dietoterapia , Obesidade Mórbida/fisiopatologia , Obesidade Mórbida/psicologia , Obesidade Mórbida/terapia , Educação de Pacientes como Assunto , Recompensa , São Francisco , Estresse Psicológico/etiologia , Redução de Peso
16.
Am J Med Genet B Neuropsychiatr Genet ; 171B(2): 266-75, 2016 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-26590516

RESUMO

Prader-Willi syndrome (PWS) is a neurodevelopmental genetic disorder characterized by intellectual disabilities and insatiable appetite with compulsive eating leading to severe obesity with detrimental health consequences. Transcranial direct current stimulation (tDCS) has been shown to modulate decision-making and cue-induced food craving in healthy adults. We conducted a pilot double blind, sham-controlled, multicenter study of tDCS modulation of food drive and craving in 10 adult PWS participants, 11 adult obese (OB) and 11 adult healthy-weight control (HWC) subjects. PWS and OB subjects received five consecutive daily sessions of active or sham tDCS over the right dorsolateral prefrontal cortex (DLPFC), while HWC received a single sham and active tDCS in a crossover design. Standardized psychometric instruments assessed food craving, drive and hyperphagia by self-report and caregiver assessment over 30 days. Robust baseline differences were observed in severity scores for the Three-Factor Eating Questionnaire (TFEQ) and Dykens Hyperphagia Questionnaire (DHQ) for PWS compared to HWC while obese participants were more similar to HWC. Active tDCS stimulation in PWS was associated with a significant change from baseline in TFEQ Disinhibition (Factor II) (Ƶ = 1.9, P < 0.05, 30 days) and Total Scores (Ƶ = 2.3, P < 0.02, 30 days), and participant ratings of the DHQ Severity (Ƶ = 1.8, P < 0.06, 5 days) and Total Scores (Ƶ = 1.9, P < 0.05, 15 days). These findings support sustained neuromodulatory effects and efficacy of tDCS to reduce food drive and behaviors impacting hyperphagia in PWS. Transcranial direct current stimulation may represent a straight-forward, low risk and low cost method to improve care, management and quality of life in PWS.


Assuntos
Comportamento , Fissura , Hiperfagia/complicações , Hiperfagia/terapia , Síndrome de Prader-Willi/complicações , Síndrome de Prader-Willi/terapia , Estimulação Transcraniana por Corrente Contínua , Adulto , Peso Corporal , Cognição , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Obesidade/complicações , Inquéritos e Questionários
17.
Am J Public Health ; 105(3): 554-9, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25602888

RESUMO

OBJECTIVES: We sought expert opinion on the problems with 2 dominant obesity-prevention discourse frames-personal responsibility and the environment-and examined alternative frames for understanding and addressing obesity. METHODS: We conducted 60-minute, semistructured interviews with 15 US-based obesity experts. We manually coded and entered interview transcripts into software, generating themes and subthematic areas that captured the debate's essence. RESULTS: Although the environmental frame is the dominant model used in communications with the public and policymakers, several experts found that communicating key messages within this frame was difficult because of the enormity of the obesity problem. A subframe of the environmental frame--the taste-engineering frame--identifies food industry strategies to influence the overconsumption of certain foods and beverages. This emerging frame deconstructs the environmental frame so that causal attributes and responsible agents are more easily identifiable and proposed policies and public health interventions more salient. CONCLUSIONS: Expert interviews are an invaluable resource for understanding how experts use frames in discussing their work and in conversations with the public and policymakers. Future empirical studies testing the effectiveness of the taste-engineering frame on public opinion and support for structural-level health policies are needed.


Assuntos
Atitude do Pessoal de Saúde , Comportamento Aditivo/terapia , Indústria Alimentícia/métodos , Abastecimento de Alimentos/normas , Hiperfagia/psicologia , Obesidade/psicologia , Paladar , Publicidade/métodos , Publicidade/normas , Comportamento Aditivo/psicologia , Comportamento de Escolha , Indústria Alimentícia/normas , Humanos , Hiperfagia/etiologia , Hiperfagia/terapia , Marketing/métodos , Marketing/normas , Obesidade/etiologia , Obesidade/prevenção & controle , Pesquisa Qualitativa , Responsabilidade Social , Estados Unidos
18.
Appetite ; 93: 62-74, 2015 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-25998235

RESUMO

Childhood obesity is associated with medical and psychological comorbidities, and interventions targeting overeating could be pragmatic and have a significant impact on weight. Calorically dense foods are easily available, variable, and tasty which allows for effective opportunities to learn to associate behaviors and cues in the environment with food through fundamental conditioning processes, resulting in measurable psychological and physiological food cue reactivity in vulnerable children. Basic research suggests that initial learning is difficult to erase, and that it is vulnerable to a number of phenomena that will allow the original learning to re-emerge after it is suppressed or replaced. These processes may help explain why it may be difficult to change food cue reactivity and overeating over the long term. Extinction theory may be used to develop effective cue-exposure treatments to decrease food cue reactivity through inhibitory learning, although these processes are complex and require an integral understanding of the theory and individual differences. Additionally, learning theory can be used to develop other interventions that may prove to be useful. Through an integration of learning theory, basic and translational research, it may be possible to develop interventions that can decrease the urges to overeat, and improve the weight status of children.


Assuntos
Terapia Comportamental/métodos , Sinais (Psicologia) , Extinção Psicológica , Comportamento Alimentar/psicologia , Hiperfagia/terapia , Inibição Psicológica , Criança , Preferências Alimentares , Humanos , Hiperfagia/psicologia
19.
Appetite ; 95: 269-74, 2015 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-26188275

RESUMO

OBJECTIVE: Lifestyle interventions that promote physical activity and healthy dietary habits may reduce binge eating symptoms and be more feasible and sustainable among ethnic minority women, who are less likely to seek clinical treatment for eating disorders. The purpose of this study was to investigate (1) whether participating in a lifestyle intervention is a feasible way to decrease binge eating symptoms (BES) and (2) whether changes in BES differed by intervention (physical activity vs. dietary habits) and binge eating status at baseline (binger eater vs. non-binge eater) in African American and Hispanic women. METHOD: Health Is Power (HIP) was a longitudinal randomized controlled trial to promote physical activity and improve dietary habits. Women (N = 180) who completed anthropometric measures and questionnaires assessing fruit and vegetable and dietary fat intake, BES and demographics at baseline and post-intervention six months later were included in the current study. RESULTS: Over one-fourth (27.8%) of participants were categorized as binge-eaters. Repeated measures ANOVA demonstrated significant two- and three-way interactions. Decreases in BES over time were greater in binge eaters than in non-binge eaters (F(1,164) = 33.253, p < .001), and women classified as binge eaters who participated in the physical activity intervention reported greater decreases in BES than non-binge eaters in the dietary habits intervention (F(1,157) = 5.170, p = .024). DISCUSSION: Findings suggest behavioral interventions to increase physical activity may lead to reductions in BES among ethnic minority women and ultimately reduce the prevalence of binge eating disorder and health disparities in this population.


Assuntos
Negro ou Afro-Americano , Bulimia/terapia , Dieta , Exercício Físico , Comportamentos Relacionados com a Saúde , Hispânico ou Latino , Estilo de Vida , Adulto , Análise de Variância , Transtorno da Compulsão Alimentar/etnologia , Transtorno da Compulsão Alimentar/terapia , Bulimia/etnologia , Bulimia Nervosa/etnologia , Bulimia Nervosa/terapia , Feminino , Humanos , Hiperfagia/etnologia , Hiperfagia/terapia , Pessoa de Meia-Idade , Obesidade/etnologia , Obesidade/etiologia , Obesidade/terapia , Inquéritos e Questionários
20.
Cogn Behav Ther ; 44(4): 288-300, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-25952547

RESUMO

Individuals with low distress tolerance (DT) experience negative emotion as particularly threatening and are highly motivated to reduce or avoid such affective experiences. Consequently, these individuals have difficulty regulating emotions and tend to engage in maladaptive strategies, such as overeating, as a means to reduce or avoid distress. Hatha yoga encourages one to implement present-centered awareness and non-reaction in the face of physical and psychological discomfort and, thus, emerges as a potential strategy for increasing DT. To test whether a hatha yoga intervention can enhance DT, a transdiagnostic risk and maintenance factor, this study randomly assigned females high in emotional eating in response to stress (N = 52) either to an 8-week, twice-weekly hatha (Bikram) yoga intervention or to a waitlist control condition. Self-reported DT and emotional eating were measured at baseline, weekly during treatment, and 1-week post-treatment. Consistent with prediction, participants in the yoga condition reported greater increases in DT over the course of the intervention relative to waitlist participants (Cohen's d = .82). Also consistent with prediction, the reduction in emotional eating was greater for the yoga condition than the waitlist condition (Cohen's d = .92). Importantly, reductions distress absorption, a specific sub-facet of DT, accounted for 15% of the variance in emotional eating, a hallmark behavior of eating pathology and risk factor for obesity.


Assuntos
Terapia por Exercício/métodos , Estresse Psicológico/psicologia , Estresse Psicológico/terapia , Yoga/psicologia , Adulto , Feminino , Humanos , Hiperfagia/psicologia , Hiperfagia/terapia , Adulto Jovem
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