Individual and group format adjunct therapy on social emotional skills for adolescent inpatients with severe and complex eating disorders (CREST-A)

Harrison, Amy; Stavri, Pamela; Tchanturia, Kate

doi:10.1007/s40211-020-00375-5

Cited by 13 publications

(9 citation statements)

References 51 publications

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“…However, we found that greater anhedonia was related to a number of variables indicating greater ED severity, including general measures of ED psychopathology (Boehm et al, 2018), longer duration of illness (Harrison et al, 2014), and excessive exercise (Davis & Woodside, 2002). Results from studies testing the effectiveness of CREST in AN suggested that social anhedonia may decrease after interventions that target cognitive flexibility and emotional skills (Harrison et al, 2020;Tchanturia et al, 2014Tchanturia et al, , 2015. Anhedonia was also related to constructs that did not measure ED symptoms, such as lower well-being (de Vos et al, 2021) and decreased positive emotion expression (Lang et al, 2016).…”

Section: Discussionmentioning

confidence: 85%

“…Social anhedonia was a primary outcome measure in four studies testing the effectiveness and feasibility of Cognitive Remediation and Emotional Skills Training (CREST; Adamson et al, 2018;Harrison et al, 2020;Tchanturia et al, 2014Tchanturia et al, , 2015 from the same research group. One study reported that individuals who completed individual or group formats of CREST did not experience a significant change in social anhedonia from pre-to posttreatment (Adamson et al, 2018).…”

Section: Longitudinal Changes In Anhedoniamentioning

confidence: 99%

“…Three studies reported that participants reported a significant decrease in social anhedonia after completing CREST in individual or group formats (Harrison et al, 2020;Tchanturia et al, 2014;Tchanturia et al, 2015).…”

Section: Longitudinal Changes In Anhedoniamentioning

confidence: 99%

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Anhedonia in eating disorders: A meta‐analysis and systematic review

Dolan

Khindri

Franko

et al. 2021

Intl J Eating Disorders

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Objective: Anhedonia, or loss of pleasure, is related to deficits in reward processing across a variety of psychiatric disorders. In light of research suggesting abnormal reward processing in eating disorders (EDs), the study of anhedonia in EDs may yield important insights into the role of reward in eating pathology. This meta-analysis and review aimed to provide both a quantitative and qualitative synthesis of the existing literature on this topic. Method:We conducted this research (or these meta-analyses) according to PRISMA guidelines. We searched four databases for both peer-reviewed and unpublished literature, and included studies only if a self-report or clinical interview measure of anhedonia was administered to a sample with an ED diagnosis. Results:We included 21 studies in the systematic review, and 10 studies in two meta-analyses that compared anhedonia between ED and control samples (n = 9 studies) and within different ED diagnoses (n = 5 studies). Meta-analyses revealed that anhedonia was significantly higher in ED groups compared to healthy controls, but there was no significant difference in anhedonia between ED diagnostic groups.A qualitative review of the literature also suggested that anhedonia may be correlated with increased ED symptom severity.Discussion: Findings indicated that anhedonia is elevated in EDs and may be a relevant treatment target. Future research should examine how self-reported anhedonia may correlate with components of reward processing in EDs in order to improve theoretical models as well as targeted interventions. ResumenObjetivo: La anhedonia, o pérdida de placer, está relacionada con déficits en el procesamiento de recompensas en una variedad de trastornos psiquiátricos. A la luz de la investigaci on que sugiere una anormalidad en el proceso de la recompensa en los trastornos de la conducta alimentaria (TCA), el estudio de la anhedonia en los TCA puede producir informaci on importante sobre el papel de la recompensa en la patología alimentaria. Este metanálisis y revisi on tuvo como objetivo proporcionar una síntesis cuantitativa y cualitativa de la literatura existente sobre este tema.Erin E. Reilly and Kamryn T. Eddy shared senior authorship.

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Section: Discussionmentioning

confidence: 85%

Section: Longitudinal Changes In Anhedoniamentioning

confidence: 99%

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Anhedonia in eating disorders: A meta‐analysis and systematic review

Dolan

Khindri

Franko

et al. 2021

Intl J Eating Disorders

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“…However, current emotion‐focussed therapies generally include a focus on identifying the ways in which emotional experiences may influence engagement in disordered eating behaviours and learning adaptive self‐regulation skills that can be used in lieu of impulsive or compulsive behaviour. Some initial data support the effectiveness of emotion‐focussed therapies for both over‐ and under‐controlled EDs (e.g., Ben‐Porath et al., 2020; Harrison et al., 2020; Linardon et al., 2017; Reilly et al., 2020; Wonderlich et al., 2014). Of note, remission rates within this work are generally around 50%, highlighting a critical need to identify processes that may facilitate or interfere with treatment success.…”

Section: Introductionmentioning

confidence: 99%

Exploring changes in alexithymia throughout intensive dialectical behavior therapy for eating disorders

Reilly

Brown

Arunagiri

et al. 2022

Euro Eating Disorders Rev

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Objective: Alexithymia is proposed as a prominent clinical feature of eating disorders (EDs). However, despite theoretical reason to believe that alexithymia could interfere with the success of treatments, few studies have tested whether alexithymia changes over the course of treatment. The goals of the current study were to evaluate (a) changes in alexithymia over the course of intensive Dialectical Behaviour Therapy (DBT) for EDs, and (b) associations between alexithymia and ED symptoms over time.Method: A mixed-diagnostic group of patients with EDs (N = 894) completed the Eating Disorders Examination-Questionnaire (EDE-Q) and the Toronto Alexithymia Scale (TAS-20) throughout intensive treatment and at various lengths of follow-up (6, 12, 24 months). Results: Results suggested that even after controlling for relevant covariates, there were significant decreases in alexithymia from intake to discharge and discharge to follow-up. Models exploring changes in self-reported ED symptoms indicated that TAS-20 scores significantly related to ED symptoms across timepoints, such that greater alexithymia was associated with greater severity of symptoms.Conclusions: Altogether, findings support an association between alexithymia and ED symptoms over treatment and suggest that emotion-focussed therapies like DBT may result in decreases in alexithymia. Future research should explore whether this effect is consistent across therapies without an emotional focus.

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“…Clinically, problems with mentalization and non-verbal social communication have been observed in patients with AN [50][51][52], and interventions that target social-emotional function are being explored in anorexia nervosa. Cognitive remediation and emotional skill training (CREST) augments treatment of severe AN, addressing social anhedonia, alexithymia, and quality of life [53,54]. Improvements in eating disorder symptoms, anxiety, and depression were observed with a brief group therapy intervention targeting self-attributions and perspective-taking for outpatients with eating disorders [55].…”

Section: Discussionmentioning

confidence: 99%

Structural brain differences in recovering and weight-recovered adult outpatient women with anorexia nervosa

et al. 2021

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Background Anorexia nervosa is a complex psychiatric illness that includes severe low body weight with cognitive distortions and altered eating behaviors. Brain structures, including cortical thicknesses in many regions, are reduced in underweight patients who are acutely ill with anorexia nervosa. However, few studies have examined adult outpatients in the process of recovering from anorexia nervosa. Evaluating neurobiological problems at different physiological stages of anorexia nervosa may facilitate our understanding of the recovery process. Methods Magnetic resonance imaging (MRI) images from 37 partially weight-restored women with anorexia nervosa (pwAN), 32 women with a history of anorexia nervosa maintaining weight restoration (wrAN), and 41 healthy control women were analyzed using FreeSurfer. Group differences in brain structure, including cortical thickness, areas, and volumes, were compared using a series of factorial f-tests, including age as a covariate, and correcting for multiple comparisons with the False Discovery Rate method. Results The pwAN and wrAN cohorts differed from each other in body mass index, eating disorder symptoms, and social problem solving orientations, but not depression or self-esteem. Relative to the HC cohort, eight cortical thicknesses were thinner for the pwAN cohort; these regions were predominately right-sided and in the cingulate and frontal lobe. One of these regions, the right pars orbitalis, was also thinner for the wrAN cohort. One region, the right parahippocampal gyrus, was thicker in the pwAN cohort. One volume, the right cerebellar white matter, was reduced in the pwAN cohort. There were no differences in global white matter, gray matter, or subcortical volumes across the cohorts. Conclusions Many regional structural differences were observed in the pwAN cohort with minimal differences in the wrAN cohort. These data support a treatment focus on achieving and sustaining full weight restoration to mitigate possible neurobiological sequela of AN. In addition, the regions showing cortical thinning are similar to structural changes reported elsewhere for suicide attempts, anxiety disorders, and autistic spectrum disorder. Understanding how brain structure and function are related to clinical symptoms expressed during the course of recovering from AN is needed.

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Individual and group format adjunct therapy on social emotional skills for adolescent inpatients with severe and complex eating disorders (CREST-A)

Cited by 13 publications

References 51 publications

Anhedonia in eating disorders: A meta‐analysis and systematic review

Anhedonia in eating disorders: A meta‐analysis and systematic review

Exploring changes in alexithymia throughout intensive dialectical behavior therapy for eating disorders

Structural brain differences in recovering and weight-recovered adult outpatient women with anorexia nervosa

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