1
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Akgül S, Bonny AE, Manos BE, Jackson K, Holland-Hall C. Rapid refeeding does not worsen anxiety in adolescents with anorexia nervosa: a pilot study. Eat Disord 2022; 30:587-601. [PMID: 34184971 DOI: 10.1080/10640266.2021.1939920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The study aimed to describe the progression of state anxiety in adolescents with anorexia nervosa (AN) hospitalized on a high calorie refeeding (HCR) protocol. Participants, 12-21 years, admitted for malnutrition due to AN were placed on a HCR protocol in which calories were advanced by 300 kcal/day. The State-Trait Anxiety Inventory for Children (STAIC) was given to participants within 24 hours of hospitalization and the state anxiety component of the STAIC was administered daily immediately before and after breakfast until discharge. Of 22 patients enrolled, 86% were female, mean age was 14.9 ± 2.0 years, and 95% had AN-restrictive type. The median state and trait anxiety scores at time of admission were 37.0 (28-55) and 35.5 (23-51), respectively. There was no significant difference in median pre-meal state anxiety from hospital day 1 to 6 (34.0(26-55) vs. 38.5(25-55), p-value = 0.079) or in median post-meal state anxiety from hospital day 1 to 6 (35.5(29-56) vs. 37(24-56), p-value = 0.484). Similarly, we found minimal correlation between change in caloric intake and change in pre-meal S-anxiety (Spearman correlation coefficient = -0.032) or post-meal S-anxiety (Spearman correlation = 0.032). While this was a small sample observing anxiety over one week, we found no evidence that state anxiety increased with advancing calories, providing additional support for the use of more rapid refeeding protocols.
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Affiliation(s)
- Sinem Akgül
- Division of Adolescent Medicine, Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Andrea E Bonny
- Division of Adolescent Medicine, Nationwide Children's Hospital, Columbus, Ohio, USA.,The Department of Pediatrics, The Ohio State University College of Medicine, Columbus, Ohio, USA.,The Research Institute, Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Brittny E Manos
- The Research Institute, Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Kenneth Jackson
- Center for Biostatistics, College of Medicine, The Ohio State University, Columbus, Ohio, USA.,Biostatistics Resource at Nationwide Children's Hospital, Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Cynthia Holland-Hall
- The Department of Pediatrics, The Ohio State University College of Medicine, Columbus, Ohio, USA
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2
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Stedal K, Broomfield C, Hay P, Touyz S, Scherer R. Neuropsychological functioning in adult anorexia nervosa: A meta-analysis. Neurosci Biobehav Rev 2021; 130:214-226. [PMID: 34453951 DOI: 10.1016/j.neubiorev.2021.08.021] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 06/10/2021] [Accepted: 08/22/2021] [Indexed: 02/07/2023]
Abstract
Several studies have conceptualized neuropsychological dysfunction as part of the core pathology and defining behaviors seen in the eating disorder anorexia nervosa (AN). The aim of the current review was to synthesize the differences in neuropsychological test performance between individuals with AN and healthy controls, quantify and explain their heterogeneity. The search and screening procedures resulted in fifty studies that comprised 186 neuropsychological test results. Utilizing random-effects meta-analyses, the results revealed evidence for significant, moderate underperformance in people with AN in overall neuropsychological functioning (g¯ = -0.43, 95 % CI [-0.50, -0.36]). Weighted mean effect sizes ranged from g¯ = -0.53 for visuospatial abilities to g¯ = -0.10 for planning. Study and participant characteristics, including body mass index (BMI) and age, had significant moderator effects, especially on executive function, memory, and visuospatial abilities. The findings from the current study provide an extensive and comprehensive overview of the possible impairments in neuropsychological functioning in adult patients diagnosed with AN.
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Affiliation(s)
- Kristin Stedal
- Regional Department for Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital Ullevål HF, Postboks 4956 Nydalen, 0424, Oslo, Norway.
| | - Catherine Broomfield
- School of Psychology, Faculty of Science, The University of Sydney, NSW, 2006, Australia
| | - Phillipa Hay
- Translational Health Research Institute, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia
| | - Stephen Touyz
- School of Psychology, Faculty of Science, The University of Sydney, NSW, 2006, Australia
| | - Ronny Scherer
- Centre for Educational Measurement at the University of Oslo (CEMO), Faculty of Educational Sciences, University of Oslo, P.O. Box 1161 Blindern, 0318, Oslo, Norway
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3
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Hiluy JC, David IA, Daquer AFC, Duchesne M, Volchan E, Appolinario JC. A Systematic Review of Electrophysiological Findings in Binge-Purge Eating Disorders: A Window Into Brain Dynamics. Front Psychol 2021; 12:619780. [PMID: 33995178 PMCID: PMC8116794 DOI: 10.3389/fpsyg.2021.619780] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 03/29/2021] [Indexed: 12/18/2022] Open
Abstract
Binge-purge eating disorders (BP-ED), such as bulimia nervosa and binge eating disorder, may share some neurobiological features. Electroencephalography (EEG) is a non-invasive measurement modality that may aid in research and diagnosis of BP-ED. We conducted a systematic review of the literature on EEG findings in BP-ED, seeking to summarize and analyze the current evidence, as well as identify shortcomings and gaps to inform new perspectives for future studies. Following PRISMA Statement recommendations, the PubMed, Embase, and Web of Science databases were searched using terms related to “electroencephalography” and “binge-purge” eating disorders. Of 555 articles retrieved, 15 met predefined inclusion criteria and were included for full-text analysis. Eleven studies investigated EEG by means of event-related potentials (ERP) in BP-ED individuals: 7 using eating disorder-related stimuli (i.e., food, body image) and 4 using non-eating disorder-related stimuli (i.e., facial expressions or auditory clicks). These studies found significant differences in the N200, P200, P300, and LPP components in BP-ED participants compared to controls, indicating that this population exhibits impairments in selective attention, attentional allocation/processing, and allocation of motivational or emotion-based attention. Five studies investigated EEG using frequency analysis; reporting significant differences in beta activity in fronto-temporal and occipito-temporo-parietal areas in BP-ED individuals compared to controls, revealing a dysfunctional brain network. However, the small number of studies, the heterogeneity of samples, study paradigms, stimulus types, and the lack of an adequate assessment of neuropsychological parameters are some limitations of the current literature. Although some EEG data are promising and consistent with neuroimaging and neuropsychological findings in individuals with BP-ED, future studies need to overcome current methodological shortcomings.
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Affiliation(s)
- Joao C Hiluy
- Obesity and Eating Disorders Group, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Isabel A David
- Laboratory of Behavioral Neurophysiology, Physiology and Pharmacology Department, Biomedical Institute, Federal Fluminense University, Niteroi, Brazil
| | - Adriana F C Daquer
- Obesity and Eating Disorders Group, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,State Institute of Diabetes and Endocrinology, Rio de Janeiro, Brazil
| | - Monica Duchesne
- Obesity and Eating Disorders Group, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,State Institute of Diabetes and Endocrinology, Rio de Janeiro, Brazil
| | - Eliane Volchan
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jose C Appolinario
- Obesity and Eating Disorders Group, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,State Institute of Diabetes and Endocrinology, Rio de Janeiro, Brazil
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4
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Duriez P, Kaya Lefèvre H, Di Lodovico L, Viltart O, Gorwood P. Increased cognitive flexibility mediates the improvement of eating disorders symptoms, depressive symptoms and level of daily life functioning in patients with anorexia nervosa treated in specialised centres. EUROPEAN EATING DISORDERS REVIEW 2021; 29:600-610. [PMID: 33851482 DOI: 10.1002/erv.2829] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/15/2021] [Accepted: 02/23/2021] [Indexed: 01/07/2023]
Abstract
OBJECTIVE Poor cognitive flexibility has been highlighted in patients with anorexia nervosa (AN), contributing to the development and maintenance of symptoms. The aim of the present study is to investigate how enhanced cognitive flexibility is involved in treatment outcomes in patients with AN. METHOD One hundred thirty female out-patients treated for AN have been assessed at baseline and after 4 months of treatment. Path analyses were used to investigate the mediating role of cognitive flexibility, measured through the Brixton test, on a wide range of outcomes: body mass index, eating disorder symptoms, daily life functioning, anxiety, depression, emotions, self-rated silhouette. RESULTS Cognitive flexibility was improved during treatment, and enhanced cognitive flexibility explains a significant part of level of the improvement in daily life functioning (26%), reduction of eating disorder symptoms (18%) and reduction of depressive symptoms (17%). Others outcomes were also improved, but these improvements were not mediated by cognitive flexibility. CONCLUSIONS Results suggest that enhancing cognitive flexibility could help reduce rigid cognitive and behavioural patterns involved in AN, thus improving everyday functioning and clinical severity. Further studies combining different types of cognitive flexibility evaluation as well as neuroimaging may be necessary to better establish which of its aspects are involved in patients' improvement.
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Affiliation(s)
- Philibert Duriez
- GHU Paris Psychiatrie et Neurosciences, Hôpital Sainte-Anne, CMME, Paris, France.,Institute of Psychiatry and Neuroscience of Paris (IPNP), INSERM U1266, Université de Paris, Paris, France
| | - Héline Kaya Lefèvre
- GHU Paris Psychiatrie et Neurosciences, Hôpital Sainte-Anne, CMME, Paris, France.,Université de Paris, LPPS, Boulogne-Billancourt, France
| | - Laura Di Lodovico
- GHU Paris Psychiatrie et Neurosciences, Hôpital Sainte-Anne, CMME, Paris, France.,Institute of Psychiatry and Neuroscience of Paris (IPNP), INSERM U1266, Université de Paris, Paris, France
| | - Odile Viltart
- Institute of Psychiatry and Neuroscience of Paris (IPNP), INSERM U1266, Université de Paris, Paris, France.,Cité scientifique, SN4, Université de Lille, Villeneuve d'Ascq, France
| | - Philip Gorwood
- GHU Paris Psychiatrie et Neurosciences, Hôpital Sainte-Anne, CMME, Paris, France.,Institute of Psychiatry and Neuroscience of Paris (IPNP), INSERM U1266, Université de Paris, Paris, France
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5
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Antagonism for NPY signaling reverses cognitive behavior defects induced by activity-based anorexia in mice. Psychoneuroendocrinology 2021; 126:105133. [PMID: 33540372 DOI: 10.1016/j.psyneuen.2021.105133] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 12/25/2020] [Accepted: 01/13/2021] [Indexed: 12/13/2022]
Abstract
Patients with AN often express psychological symptoms such as body image distortion, cognitive biases, abnormal facial recognition, and deficits in working memory. However, the molecular mechanisms underlying the impairment of cognitive behaviors in AN remain unknown. In the present study, we measured cognitive behavior using novel object recognition (NOR) tasks and mRNA expressions in hypothalamic neuropeptides in female C57BL/6J mice with activity-based anorexia (ABA). Additionally, we evaluated the effects of antagonists with intracerebroventricular (icv) administration on the impairment of cognitive behavior in NOR tasks. Our results showed that NOR indices were lowered, subsequently increasing mRNA levels of agouti-related peptide (AgRP) and neuropeptide Y (NPY), and c-Fos- and AgRP- or NPY-positive cells in the hypothalamic arcuate nucleus in ABA mice. We also observed that icv administration of anti-NPY antiserum (2 µl), anti-AgRP antibody (0.1 μg), and Y5 receptor antagonist CPG71683 (15 nmol) significantly reversed the decreased NOR indices. Therefore, our results suggest that increased NPY and AgRP signaling in the brain might contribute to the impairment of cognitive behavior in AN.
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6
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Keegan E, Tchanturia K, Wade TD. Central coherence and set-shifting between nonunderweight eating disorders and anorexia nervosa: A systematic review and meta-analysis. Int J Eat Disord 2021; 54:229-243. [PMID: 33305366 DOI: 10.1002/eat.23430] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 11/20/2020] [Accepted: 11/22/2020] [Indexed: 12/11/2022]
Abstract
OBJECTIVE This systematic review and meta-analysis compared previously documented inefficiencies in central coherence and set-shifting between people with nonunderweight eating disorders (bulimia nervosa and binge-eating disorder) and people with anorexia nervosa. METHOD We performed random-effects meta-analyses on 16 studies (1,112 participants) for central coherence and 38 studies (3,505 participants) for set-shifting. Random effects meta-regressions were used to test whether the effect sizes for people with nonunderweight eating disorders were significantly different from the effect sizes for people with anorexia nervosa. RESULTS People with anorexia nervosa (Hedge's g = -0.53, 95% CIs: -0.80, -0.27, p < .001) and bulimia nervosa (Hedge's g = -0.70, 95% CIs: -1.14, -0.25, p = .002), but not binge-eating disorder, had significantly poorer central coherence than healthy controls. Similarly, people with anorexia nervosa (Hedge's g = -0.38, 95% CIs: -0.50, -0.26, p < .001) and bulimia nervosa (Hedge's g = -0.55, 95% CIs: -0.81, -0.29, p < .001), but not binge-eating disorder, had significantly poorer set-shifting than healthy controls. The effect sizes for people with nonunderweight eating disorders did not significantly differ from those for people with anorexia nervosa. DISCUSSION Our meta-analysis was underpowered to make definitive judgments about people with binge-eating disorder. However, we found that people with bulimia nervosa clearly have central coherence and set-shifting inefficiencies which do not significantly differ from those observed in people with anorexia nervosa. Clinically, this suggests that people with bulimia nervosa might benefit from adjunctive approaches to address these inefficiencies, such as cognitive remediation therapy.
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Affiliation(s)
- Ella Keegan
- Blackbird Initiative, Órama Research Institute, Flinders University, Adelaide, Australia
| | | | - Tracey D Wade
- Blackbird Initiative, Órama Research Institute, Flinders University, Adelaide, Australia
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7
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Miles S, Gnatt I, Phillipou A, Nedeljkovic M. Cognitive flexibility in acute anorexia nervosa and after recovery: A systematic review. Clin Psychol Rev 2020; 81:101905. [PMID: 32891022 DOI: 10.1016/j.cpr.2020.101905] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 08/05/2020] [Accepted: 08/10/2020] [Indexed: 02/06/2023]
Abstract
Difficulties in cognitive flexibility-the ability to adapt effectively to changes in the environment and/or changing task demands-have been reported in anorexia nervosa (AN). However, findings are inconsistent across studies and it remains unclear which specific aspects of cognitive flexibility patients with AN may struggle with. This systematic review aimed to synthesise existing research on cognitive flexibility in AN and clarify differences between patients with acute AN, patients who are weight-restored and patients who are fully recovered from AN. Electronic databases were searched through to January 2020. 3,310 papers were screened and 70 papers were included in the final review. Although adults with acute AN performed worse in perceptual flexibility tasks and self-report measures compared to HCs, they did not exhibit deficits across all domains of cognitive flexibility. Adolescents with acute AN did not differ to HCs in performance on neurocognitive tasks despite self-reporting poorer cognitive flexibility. Overall, significant differences in cognitive flexibility between acute and recovered participants was not evident, though, the findings are limited by a modest number of studies. Recovered participants performed poorer than HCs in some neurocognitive measures, however, results were inconsistent across studies. These results have implications for the assessment of cognitive flexibility in AN and targeted treatment approaches.
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Affiliation(s)
- Stephanie Miles
- Centre for Mental Health, Swinburne University of Technology, Melbourne, Australia.
| | - Inge Gnatt
- Centre for Mental Health, Swinburne University of Technology, Melbourne, Australia
| | - Andrea Phillipou
- Centre for Mental Health, Swinburne University of Technology, Melbourne, Australia; Department of Mental Health, St Vincent's Hospital, Melbourne, Australia; Department of Psychiatry, The University of Melbourne, Melbourne, Australia; Department of Mental Health, Austin Health, Melbourne, Australia
| | - Maja Nedeljkovic
- Centre for Mental Health, Swinburne University of Technology, Melbourne, Australia
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8
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Berner LA, Romero EM, Reilly EE, Lavender JM, Kaye WH, Wierenga CE. Task-switching inefficiencies in currently ill, but not remitted anorexia nervosa. Int J Eat Disord 2019; 52:1316-1321. [PMID: 31584714 PMCID: PMC8127723 DOI: 10.1002/eat.23175] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 08/13/2019] [Accepted: 09/07/2019] [Indexed: 11/07/2022]
Abstract
OBJECTIVE Models of anorexia nervosa (AN) posit that set-shifting deficits may contribute to behavioral inflexibility and extreme dietary restriction. Findings from neurocognitive studies of set-shifting in AN have been somewhat mixed, perhaps due to the use of tasks that cannot distinguish shifting from other processes (i.e., learning). To more precisely characterize cognitive flexibility and selectively assess this process independent of rule learning and feedback sensitivity, we examined task-switching ability in AN. METHOD Women ill with AN, subthreshold AN or atypical AN (IAN; n = 40), women remitted from AN (RAN; n = 24), and age-matched healthy control women (n = 42) completed a computerized cued color-shape task-switching paradigm. Groups were compared on mix costs (reflecting global cognitive control) and switch costs (reflecting transient cognitive control). RESULTS Although mix costs were equivalent across groups, switch costs were more pronounced in the IAN group, as indicated by a group-by-trial type interaction for reaction times on stay and switch trials. DISCUSSION Findings indicate that IAN, but not RAN, have difficulty flexibly switching between cognitive task sets, and suggest that prior findings of set-shifting deficits in AN may reflect difficulty with cognitive flexibility independent of learning deficits. As such, task-switching may represent a promising adjunctive treatment target.
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9
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Stedal K, Ely AV, Kurniadi N, Lopez E, Kaye WH, Wierenga CE. A process approach to verbal memory assessment: Exploratory evidence of inefficient learning in women remitted from anorexia nervosa. J Clin Exp Neuropsychol 2019; 41:653-663. [PMID: 31060425 DOI: 10.1080/13803395.2019.1610160] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Introduction: Anorexia nervosa (AN) is associated with deficits in set-shifting and cognitive flexibility, yet less is known about the persistence of these deficits after recovery and how they might contribute to reported difficulties organizing and learning new information. To address this question, the current study applied a process-focused approach, that accounts for errors and strategies by which a score is achieved, to investigate the relationship between verbal memory and executive function in women remitted from AN. Method: Twenty-six women remitted from anorexia nervosa (RAN) and 25 control women (CW) aged 19-45 completed the California Verbal Learning Test, Second edition (CVLT-II) and the Wisconsin Card Sorting Test (WCST). Groups were compared on overall achievement scores, and on repetition, intrusion, and perseverative errors on both tests. Associations between learning and memory performance and WCST errors were also examined. Results: RAN and CW groups did not differ on overall CVLT-II learning and memory performance or errors on the WCST, though the RAN group trended towards greater WCST non-perseverative and total errors. On the CVLT-II, the RAN group made significantly more repetition errors than CW (p = 0.010), and within-trial perseveration (WTP) errors (p = 0.044). For the CW group, CVLT-II learning and memory performance were negatively associated with errors on the WCST, whereas among RAN, primarily delayed memory was negatively correlated with WCST errors. Notably, for RAN, greater WCST perseverative responses were correlated with greater CVLT-II repetition and WTP errors, showing the convergence of perseverative responding across tasks. Conclusions: Despite similar overall learning and memory performance, difficulties with executive control seem to persist even after symptom remission in patients with AN. Results indicate an inefficient learning process in the cognitive phenotype of AN and support the use of process approaches to refine neuropsychological assessment of AN by accounting for strategy use.
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Affiliation(s)
- Kristin Stedal
- a Regional Department for Eating Disorders, Division of Mental Health and Addiction , Oslo University Hospital , Oslo , Norway
| | - Alice V Ely
- b Department of Heart and Vascular Care , Christiana Care Health System , Newark , DE , USA
| | - Natalie Kurniadi
- c Department of Clinical Psychology , Alliant International University , San Diego , CA , USA
| | - Emily Lopez
- d Department of Psychiatry , University of California San Diego , La Jolla , CA , USA
| | - Walter H Kaye
- d Department of Psychiatry , University of California San Diego , La Jolla , CA , USA
| | - Christina E Wierenga
- d Department of Psychiatry , University of California San Diego , La Jolla , CA , USA
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10
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Siegel JA, Sawyer KB. Eating Disorders in the Workplace: A Qualitative Investigation of Women’s Experiences. PSYCHOLOGY OF WOMEN QUARTERLY 2018. [DOI: 10.1177/0361684318812475] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Though employment is typically associated with positive mental health outcomes for individuals with disabilities, the ubiquity of stress and stigma at work may complicate the relation between work and well-being for women with eating disorders (EDs). To date, however, the experiences of women with EDs in the workplace have not been examined. By utilizing a qualitative methodology to form an initial framework for the examination of EDs in the workplace, we address this gap in the literature. Seventy adult women with anorexia, bulimia, and binge eating disorder discussed the relation between work and their condition. The data analysis led to the delineation of a theoretical model, which we propose explains the interconnections between key study constructs, including individual characteristics; workplace stressors; identity, stigma, and stress management techniques; and related personal and organizational outcomes. Our research suggests that, depending on how stress is managed, the workplace can serve as a bridge or a barrier to ED recovery. This study lays the groundwork for understanding the ways in which workplace life interacts and interferes with ED management, opening up a new line of investigation for researchers working to enhance the lives of individuals with EDs across life domains.
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Affiliation(s)
- Jaclyn A. Siegel
- Department of Psychology, Western University, London, Ontario, Canada
| | - Katina B. Sawyer
- Department of Management, George Washington University, Washington, DC, USA
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11
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Terhoeven V, Kallen U, Ingenerf K, Aschenbrenner S, Weisbrod M, Herzog W, Brockmeyer T, Friederich HC, Nikendei C. Meaningful Memory in Acute Anorexia Nervosa Patients-Comparing Recall, Learning, and Recognition of Semantically Related and Semantically Unrelated Word Stimuli. EUROPEAN EATING DISORDERS REVIEW 2016; 25:89-97. [PMID: 28032373 DOI: 10.1002/erv.2496] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 10/17/2016] [Accepted: 11/14/2016] [Indexed: 11/10/2022]
Abstract
OBJECTIVE It is unclear whether observed memory impairment in anorexia nervosa (AN) depends on the semantic structure (categorized words) of material to be encoded. We aimed to investigate the processing of semantically related information in AN. METHOD Memory performance was assessed in a recall, learning, and recognition test in 27 adult women with AN (19 restricting, 8 binge-eating/purging subtype; average disease duration: 9.32 years) and 30 healthy controls using an extended version of the Rey Auditory Verbal Learning Test, applying semantically related and unrelated word stimuli. RESULTS Short-term memory (immediate recall, learning), regardless of semantics of the words, was significantly worse in AN patients, whereas long-term memory (delayed recall, recognition) did not differ between AN patients and controls. DISCUSSION Semantics of stimuli do not have a better effect on memory recall in AN compared to CO. Impaired short-term versus long-term memory is discussed in relation to dysfunctional working memory in AN. Copyright © 2016 John Wiley & Sons, Ltd and Eating Disorders Association.
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Affiliation(s)
- Valentin Terhoeven
- Department of General Internal and Psychosomatic Medicine, Centre for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany
| | - Ursula Kallen
- Department of General Internal and Psychosomatic Medicine, Centre for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany.,Department of Psychiatry and Psychotherapy Bethel, Evangelisches Krankenhaus Bielefeld, Bielefeld, Germany
| | - Katrin Ingenerf
- Department of General Internal and Psychosomatic Medicine, Centre for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany
| | - Steffen Aschenbrenner
- Department of General Psychiatry and Psychotherapy, Centre for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany
| | - Matthias Weisbrod
- Department of General Psychiatry and Psychotherapy, Centre for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany.,Department of Psychiatry and Psychotherapy, SRH Klinikum Karlsbad-Langensteinbach, Karlsbad-Langensteinbach, Germany
| | - Wolfgang Herzog
- Department of General Internal and Psychosomatic Medicine, Centre for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany
| | - Timo Brockmeyer
- Department of General Internal and Psychosomatic Medicine, Centre for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany
| | - Hans-Christoph Friederich
- Department of General Internal and Psychosomatic Medicine, Centre for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Institute of Psychosomatic Medicine and Psychotherapy, University Hospital Düsseldorf, Düsseldorf, Germany
| | - Christoph Nikendei
- Department of General Internal and Psychosomatic Medicine, Centre for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany
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12
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Phillipou A, Abel LA, Castle DJ, Gurvich C, Hughes ME, Rossell SL. Self-reported and behavioural impulsivity in anorexia nervosa. World J Psychiatry 2016; 6:345-350. [PMID: 27679774 PMCID: PMC5031935 DOI: 10.5498/wjp.v6.i3.345] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 06/20/2016] [Accepted: 08/15/2016] [Indexed: 02/05/2023] Open
Abstract
AIM To examine how self-reported and behavioural impulsivity are related in anorexia nervosa (AN).
METHODS Twenty-four females with AN and 25 healthy controls (HC) participant in the study. Self-reported impulsivity was assessed with the Barratt Impulsiveness Scale (BIS-11). The scale yields three second-order factors: Attentional, motor and non-planning. Behavioural impulsivity was investigated with the continuous performance test (CPT), a computer-based task of sustained attention in which numbers are flashed briefly on screen and participants are required to click the mouse when the same number appears consecutively. The rate of commission and omission errors can be used a measure of behavioural imulsivity.
RESULTS AN participants self-reported increased attentional [AN: 20.67 (3.64), HC: 13.88 (2.91), P = 0.001] and reduced motor impulsivity [AN: 11.55 (2.28), HC: 14.08 (2.78), P = 0.002]. The rate of omission or commission errors on the CPT did not differ between groups (P > 0.05). BIS-11 and CPT measures did not significantly correlate, but attentional impulsivity was related to negative mood states in AN (depression: r = 0.52, P = 0.010, anxiety: r = 0.55, P = 0.006, stress: r = 0.57, P = 0.004).
CONCLUSION The discrepancy between self-reported and behavioural impulsivity are discussed in terms of perfectionism in AN. Furthermore, it is suggested that improving negative mood states may resolve this inconsistency in AN.
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13
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Rose M, Reville MC, Iszatt A, Levinson S, Frampton I, Lask B. Deconstructing Planning Ability in Children and Adolescents with Anorexia Nervosa. APPLIED NEUROPSYCHOLOGY-CHILD 2016; 6:297-304. [DOI: 10.1080/21622965.2016.1172312] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Mark Rose
- The Huntercombe Group, Newmarket, UK
- Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Marie-Claire Reville
- Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
- College of Life and Environmental Sciences, University of Exeter, Exeter, UK
| | - Amber Iszatt
- College of Life and Environmental Sciences, University of Exeter, Exeter, UK
| | | | - Ian Frampton
- Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
- College of Life and Environmental Sciences, University of Exeter, Exeter, UK
- Regional Eating Disorders Service, Oslo University Hospital, Oslo, Norway
| | - Bryan Lask
- Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
- College of Life and Environmental Sciences, University of Exeter, Exeter, UK
- Regional Eating Disorders Service, Oslo University Hospital, Oslo, Norway
- Care UK, Colchester, UK
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Lutter M, Croghan AE, Cui H. Escaping the Golden Cage: Animal Models of Eating Disorders in the Post-Diagnostic and Statistical Manual Era. Biol Psychiatry 2016; 79:17-24. [PMID: 25777657 DOI: 10.1016/j.biopsych.2015.02.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 01/21/2015] [Accepted: 02/07/2015] [Indexed: 12/13/2022]
Abstract
Eating disorders (EDs) are severe, life-threatening mental illnesses characterized by marked disturbances in body image and eating patterns. Attempts to understand the neurobiological basis of EDs have been hindered by the perception that EDs are primarily socially reinforced behaviors and not the result of a pathophysiologic process. This view is reflected by the diagnostic criteria of anorexia nervosa and bulimia nervosa, which emphasize intrapsychic conflicts such as "inability to maintain body weight," "undue influence of body weight or shape on self-evaluation," and "denial of the seriousness of low body weight" over neuropsychological measures. The neuropsychological constructs introduced within the research domain criteria (RDoC) matrix offer new hope for determining the neural substrate underlying the biological predisposition to EDs. We present selected studies demonstrating deficits in patients with EDs within each domain of the RDoC and propose a set of behavioral tasks in model systems that reflect aspects of that deficit. Finally, we propose a battery of tasks to examine comprehensively the function of neural circuits relevant to the development of EDs.
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Affiliation(s)
- Michael Lutter
- Department of Psychiatry, University of Iowa, Carver College of Medicine, Iowa City, Iowa..
| | - Anna E Croghan
- Department of Psychiatry, University of Iowa, Carver College of Medicine, Iowa City, Iowa
| | - Huxing Cui
- Department of Psychiatry, University of Iowa, Carver College of Medicine, Iowa City, Iowa
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Phillipou A, Gurvich C, Castle DJ, Abel LA, Rossell SL. Comprehensive neurocognitive assessment of patients with anorexia nervosa. World J Psychiatry 2015; 5:404-411. [PMID: 26740932 PMCID: PMC4694554 DOI: 10.5498/wjp.v5.i4.404] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 08/31/2015] [Accepted: 10/08/2015] [Indexed: 02/05/2023] Open
Abstract
AIM: To utilise a comprehensive cognitive battery to gain a better understanding of cognitive performance in anorexia nervosa (AN).
METHODS: Twenty-six individuals with AN and 27 healthy control participants matched for age, gender and premorbid intelligence, participated in the study. A standard cognitive battery, the Measurement and Treatment Research to Improve Cognition in Schizophrenia Consensus Cognitive Battery, was used to investigate performance on seven cognitive domains with the use of 10 different tasks: speed of processing [Brief Assessment Of Cognition In Schizophrenia: Symbol Coding, Category Fluency: Animal Naming (Fluency) and Trail Making Test: Part A], attention/vigilance [Continuous Performance Test - Identical Pairs (CPT-IP)], working memory [Wechsler Memory Scale (WMS®-III): Spatial Span, and Letter-Number Span (LNS)], verbal learning [Hopkins Verbal Learning Test - Revised], visual learning [Brief Visuospatial Memory Test - Revised], reasoning and problem solving [Neuropsychological Assessment Battery: Mazes], and social cognition [Mayer-Salovey-Caruso Emotional Intelligence Test: Managing Emotions]. Statistical analyses involved the use of multivariate and univariate analyses of variance.
RESULTS: Analyses conducted on the cognitive domain scores revealed no overall significant difference between groups nor any interaction between group and domain score [F(1,45) = 0.73, P = 0.649]. Analyses conducted on each of the specific tasks within the cognitive domains revealed significantly slower reaction times for false alarm responses on the CPT-IP task in AN [F(1,51) = 12.80, P < 0.01, Cohen’s d = 0.982] and a trend towards poorer performance in AN on the backward component of the WMS®-III Spatial Span task [F(1,51) = 5.88, P = 0.02, Cohen’s d = -0.665]. The finding of slower reaction times of false alarm responses is, however, limited due to the small number of false alarm responses for either group.
CONCLUSION: The findings are discussed in terms of poorer capacity to manipulate and process visuospatial material in AN.
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Abbate-Daga G, Buzzichelli S, Marzola E, Aloi M, Amianto F, Fassino S. Does depression matter in neuropsychological performances in anorexia nervosa? A descriptive review. Int J Eat Disord 2015; 48:736-45. [PMID: 26032280 DOI: 10.1002/eat.22399] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Revised: 12/16/2014] [Accepted: 02/12/2015] [Indexed: 01/12/2023]
Abstract
OBJECTIVE This review aims to examine the impact of depressive symptoms on the assessment of cognitive flexibility, central coherence, and decision-making in individuals with anorexia nervosa (AN). METHOD An online search was carried out using PubMed and PsycInfo. Articles were selected for review if they were published in English between 1990 and 2014 and used the Wisconsin Card Sorting Test, the Trail Making Task parts A and B, the Brixton Test, the Rey-Osterrieth Complex Figure Test, and/or the Iowa Gambling Task. RESULTS Sixty-two studies were included. Thirty (48%) of the studies statistically assessed the association between depression and neurocognition in AN versus healthy controls. Where significant correlations were found, it became clear that the more serious the depression, the greater the neuropsychological impairment. Only six (10%) studies examined whether increased depressive symptoms were able to eliminate the differences between individuals with AN and healthy controls, and one study found that depressive symptoms did eliminate group differences in cognitive flexibility and decision-making. DISCUSSION Only a subgroup of articles on neuropsychology in AN adjusted for depression. However, given the role of depression that some articles suggest, future studies should pay closer attention to the evaluation of this potential confounder.
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Affiliation(s)
- Giovanni Abbate-Daga
- Eating Disorders Center for Treatment and Research, Department of Neuroscience, University of Turin, Turin, Italy
| | - Sara Buzzichelli
- Eating Disorders Center for Treatment and Research, Department of Neuroscience, University of Turin, Turin, Italy
| | - Enrica Marzola
- Eating Disorders Center for Treatment and Research, Department of Neuroscience, University of Turin, Turin, Italy
| | - Matteo Aloi
- Eating Disorders Center for Treatment and Research, Department of Neuroscience, University of Turin, Turin, Italy.,Ambulatory for Clinical Research and Treatment of Eating Disorders, Department of Health Sciences, University "Magna Graecia", Catanzaro, Italy
| | - Federico Amianto
- Eating Disorders Center for Treatment and Research, Department of Neuroscience, University of Turin, Turin, Italy
| | - Secondo Fassino
- Eating Disorders Center for Treatment and Research, Department of Neuroscience, University of Turin, Turin, Italy
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Weider S, Indredavik MS, Lydersen S, Hestad K. Neuropsychological function in patients with anorexia nervosa or bulimia nervosa. Int J Eat Disord 2015; 48:397-405. [PMID: 24719259 DOI: 10.1002/eat.22283] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/24/2014] [Indexed: 12/11/2022]
Abstract
OBJECTIVE This study explored the neuropsychological performance of patients diagnosed with anorexia nervosa (AN) or bulimia nervosa (BN) compared with healthy controls (HCs). An additional aim was to investigate the effect of several possible mediators on the association between eating disorders (EDs) and cognitive function. METHOD Forty patients with AN, 39 patients with BN, and 40 HCs who were comparable in age and education were consecutively recruited to complete a standardized neuropsychological test battery covering the following cognitive domains: verbal learning and memory, visual learning and memory, speed of information processing, visuospatial ability, working memory, executive function, verbal fluency, attention/vigilance, and motor function. RESULTS The AN group scored significantly below the HCs on eight of the nine measured cognitive domains. The BN group also showed inferior performance on six cognitive domains. After adjusting for possible mediators, the nadir body mass index (lowest lifetime BMI) and depressive symptoms explained all findings in the BN group. Although this adjustment reduced the difference between the AN and HC groups, the AN group still performed worse than the HCs regarding verbal learning and memory, visual learning and memory, visuospatial ability, working memory, and executive functioning. DISCUSSION Patients with EDs scored below the HCs on several cognitive function measures, this difference being most pronounced for the AN group. The nadir BMI and depressive symptoms had strong mediating effects. Longitudinal studies are needed to identify the importance of weight restoration and treatment of depressive symptoms in the prevention of a possible cognitive decline.
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Affiliation(s)
- Siri Weider
- Department of Psychology, Norwegian University of Science and Technology, Trondheim, Norway; Specialised Unit for Eating Disorder Patients, Department of Psychiatry, Levanger Hospital, Health Trust Nord-Trøndelag, Levanger, Norway
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18
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Talbot A, Hay P, Buckett G, Touyz S. Cognitive deficits as an endophenotype for anorexia nervosa: an accepted fact or a need for re-examination? Int J Eat Disord 2015; 48:15-25. [PMID: 25046823 DOI: 10.1002/eat.22332] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2014] [Revised: 06/30/2014] [Accepted: 07/02/2014] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To investigate whether impaired set shifting and weak central coherence represent state or trait characteristics and, therefore, candidate endophenotypes of anorexia nervosa (AN). METHOD Forty-nine individuals with lifetime AN (24 acutely unwell, 10 weight recovered, and 15 fully recovered) and 43 healthy controls completed the Wisconsin Card Sorting Test (WCST), the Matching Familiar Figures Test, and the Rey Complex Figure Task measuring cognitive flexibility, local processing, and global processing, respectively. Participants also completed questionnaires assessing eating disorder, anxiety and depressive symptoms, obsessional traits, interpersonal functioning, and quality of life. Body mass index was calculated from height and weight measurements. RESULTS Participants with lifetime AN demonstrated poorer set shifting ability than healthy controls as evidenced by a greater number of perseverative errors on the WCST. When participants were grouped according to illness status, only those in the two recovered groups demonstrated poorer set shifting ability than healthy controls while patients with acute AN performed comparably to all other groups. There were no significant differences between groups on measures of local and global processing. No relationship was found between specific clinical features of AN and cognitive performance. DISCUSSION The results of this study are consistent with a global trend toward set shifting difficulties in patients with AN but do not support weak central coherence as a candidate endophenotype for AN. These findings have clinical implications in terms of treatment selection and planning, particularly in relation to the use of cognitive remediation therapy with patients with AN.
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Affiliation(s)
- Amy Talbot
- The Redleaf Practice, Wahroonga, New South Wales, Australia; Department of Psychology, University of Sydney, New South Wales, Australia
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19
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Wu M, Brockmeyer T, Hartmann M, Skunde M, Herzog W, Friederich HC. Set-shifting ability across the spectrum of eating disorders and in overweight and obesity: a systematic review and meta-analysis. Psychol Med 2014; 44:3365-3385. [PMID: 25066267 DOI: 10.1017/s0033291714000294] [Citation(s) in RCA: 123] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND In this meta-analysis we review the findings from neuropsychological studies on set-shifting in people with eating disorders (EDs) or overweight/obesity. METHOD Four databases (PubMed, PsycINFO, PSYNDEX and Web of Science) were searched for eligible studies. Effect sizes (ESs) were pooled using random-effects models. Moderator analyses were conducted for ED and overweight/obese subgroups, adult/adolescent samples and measures of set-shifting. RESULTS Sixty-four studies with a total of 1825 ED patients [1394 anorexia nervosa (AN), 376 bulimia nervosa (BN) and 55 binge eating disorder (BED)] and 10 studies with a total of 449 overweight/obese individuals were included. The meta-analysis revealed a small to medium ES for inefficient set-shifting across all three ED diagnoses (Hedges' g = -0.45). Subgroup analyses yielded small to medium ESs for each ED subtype (g = -0.44 for AN, -0.53 for BED, -0.50 for BN), which did not differ significantly. There was a medium ES for restricting type AN (ANR; g = -0.51) but no significant ES for binge/purge type AN (AN/BP; g = -0.18). A medium ES was found across obesity studies (g = -0.61). The ES across overweight studies was not significant (g = -0.07). Adult samples did not differ from adolescent samples in either ED or overweight/obesity studies. The different set-shifting measures were associated with largely varying ESs. CONCLUSIONS The meta-analysis provides strong support that inefficient set-shifting is a salient neuropsychological phenomenon across ED subtypes and obesity, but is less prominent in AN/BP and overweight. Compulsivity seems to be a common underlying factor supporting a dimensional and transdiagnostic conceptualization of EDs and obesity.
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Affiliation(s)
- M Wu
- Department of General Internal Medicine and Psychosomatics,University of Heidelberg,Germany
| | - T Brockmeyer
- Department of General Internal Medicine and Psychosomatics,University of Heidelberg,Germany
| | - M Hartmann
- Department of General Internal Medicine and Psychosomatics,University of Heidelberg,Germany
| | - M Skunde
- Department of General Internal Medicine and Psychosomatics,University of Heidelberg,Germany
| | - W Herzog
- Department of General Internal Medicine and Psychosomatics,University of Heidelberg,Germany
| | - H-C Friederich
- Department of General Internal Medicine and Psychosomatics,University of Heidelberg,Germany
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20
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Body checking as a behavioral link: a preliminary study assessing inhibition and its association to idiosyncratic body checking in anorexia nervosa. Eat Behav 2014; 15:591-4. [PMID: 25218356 DOI: 10.1016/j.eatbeh.2014.08.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Revised: 05/28/2014] [Accepted: 08/13/2014] [Indexed: 11/20/2022]
Abstract
Body checking (BC) is a behavioral feature of anorexia nervosa (AN), which is also present in obsessive-compulsive (OC) disorders. This study assessed whether increased body checking in AN patients correlated with deficits in cognitive inhibition. A battery of neuropsychological tests (the Ravello Profile), OC disorder measures, and the Body Checking Questionnaire (BCQ) were administered to nine adolescent females being treated for AN at an in-patient hospital in Scotland, UK. Neuropsychological measures were assessed using composite variables. Body Checking prevalence was split into high and low category to compare across groups. A negative relationship between cognitive inhibition and idiosyncratic body checking was evident. Clinically, increased body-checking symptoms were related to OC symptoms. These findings provide preliminary evidence that idiosyncratic body checking in AN patients may indicate a similar neuropsychological profile found in those with checking behaviors in OCD patients.
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Weider S, Indredavik MS, Lydersen S, Hestad K. Intellectual function in patients with anorexia nervosa and bulimia nervosa. EUROPEAN EATING DISORDERS REVIEW 2014; 22:15-24. [PMID: 24185818 DOI: 10.1002/erv.2260] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Revised: 08/29/2013] [Accepted: 09/02/2013] [Indexed: 12/11/2022]
Abstract
OBJECTIVE This study aimed to examine cognitive function in individuals with anorexia nervosa (AN) and bulimia nervosa (BN) on the basis of IQ measures, indexes and subtests of the Wechsler Adult Intelligence Scale – Third Edition (WAIS-III). METHODS A total of 41 patients with AN, 40 patients with BN and 40 healthy controls (HC), matched for sex, age and education, were recruited consecutively to complete the WAIS-III. RESULTS The AN group showed a significantly lower performance than the HC group on most global measures and on eight of the 13 administered subtests. Minor differences in verbal function were detected between the BN group and the HC group. CONCLUSION The patients with eating disorders showed normal intellectual functions compared with the normative population. However, the AN group displayed a consistently lower performance than the matched HC group, which performed above normative means. The BN group performed at a level between that of the AN and HC groups.
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22
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Lozano-Serra E, Andrés-Perpiña S, Lázaro-García L, Castro-Fornieles J. Adolescent Anorexia Nervosa: cognitive performance after weight recovery. J Psychosom Res 2014; 76:6-11. [PMID: 24360134 DOI: 10.1016/j.jpsychores.2013.10.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2013] [Revised: 10/16/2013] [Accepted: 10/17/2013] [Indexed: 12/21/2022]
Abstract
OBJECTIVE Although there is no definitive consensus on the impairment of neuropsychological functions, most studies of adults with Anorexia Nervosa (AN) find impaired functioning in cognitive domains such as visual-spatial abilities. The objective of this study is to assess the cognitive functions in adolescents with AN before and after weight recovery and to explore the relationship between cognitive performance and menstruation. METHODS Twenty-five female adolescents with AN were assessed by a neuropsychological battery while underweight and then following six months of treatment and weight recovery. Twenty-six healthy female subjects of a similar age were also evaluated at both time points. RESULTS Underweight patients with AN showed worse cognitive performance than control subjects in immediate recall, organization and time taken to copy the Rey's Complex Figure Test (RCFT). After weight recovery, AN patients presented significant improvements in all tests, and differences between patients and controls disappeared. Patients with AN and persistence of amenorrhea at follow-up (n=8) performed worse on Block Design, delayed recall of Visual Reproduction and Stroop Test than patients with resumed menstruation (n=14) and the control group, though the two AN groups were similar in body mass index, age and psychopathological scale scores. CONCLUSION Weight recovery improves cognitive functioning in adolescents with AN. The normalization of neuropsychological performance is better in patients who have recovered at least one menstrual cycle. The normalization of hormonal function seems to be essential for the normalization of cognitive performance, even in adolescents with a very short recovery time.
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Affiliation(s)
- Estefanía Lozano-Serra
- Department of Psychiatry and Legal Medicine, Universitat Autònoma de Barcelona, Edifici M-Campus UAB, Barcelona, Spain.
| | - Susana Andrés-Perpiña
- Department of Child and Adolescent Psychiatry and Psychology, SGR-1119, Neurosciencies Institute, Hospital Clinic of Barcelona, CIBERSAM, Villarroel 170, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Rosselló 149-153, Barcelona, Spain
| | - Luisa Lázaro-García
- Department of Child and Adolescent Psychiatry and Psychology, SGR-1119, Neurosciencies Institute, Hospital Clinic of Barcelona, CIBERSAM, Villarroel 170, Barcelona, Spain; Department of Psychiatry and Clinical Psychobiology, Health Sciences Division, University of Barcelona, Casanova 143, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Rosselló 149-153, Barcelona, Spain
| | - Josefina Castro-Fornieles
- Department of Child and Adolescent Psychiatry and Psychology, SGR-1119, Neurosciencies Institute, Hospital Clinic of Barcelona, CIBERSAM, Villarroel 170, Barcelona, Spain; Department of Psychiatry and Clinical Psychobiology, Health Sciences Division, University of Barcelona, Casanova 143, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Rosselló 149-153, Barcelona, Spain
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Rose M, Frampton IJ, Lask B. Central coherence, organizational strategy, and visuospatial memory in children and adolescents with anorexia nervosa. APPLIED NEUROPSYCHOLOGY-CHILD 2013; 3:284-96. [PMID: 24147879 DOI: 10.1080/21622965.2013.775064] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The vast majority of studies in anorexia nervosa that have investigated the domains of central coherence, organizational strategy, and visuospatial memory have focused on adult samples. In addition, studies investigating visuospatial memory have focused on free recall. No study to date has reported the association between recognition memory and central coherence or organizational strategy in younger people with this disorder, yet the capacity to recognize previously seen visual stimuli may contribute to overall visuospatial ability. Therefore, we investigate these domains in children and adolescents with anorexia nervosa compared to age- and gender-matched healthy controls. There were no significant group differences in immediate, delayed, or recognition memory, central coherence, or organization strategy. When compared with controls, patients with anorexia nervosa scored significantly higher on accuracy and took significantly longer when copying the Rey Complex Figure Task. Caution must be taken when interpreting these findings due to lower-than-expected scores in memory performance in the control group and because of a potential lack of sensitivity in the measures used when assessing this younger population. For neuropsychological functions where no normative data exist, we need a deeper, more thorough knowledge of the developmental trajectory and its assessment in young people in the general population before drawing conclusions in anorexia nervosa.
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Affiliation(s)
- Mark Rose
- a Eating Disorders Service , The Huntercombe Group , Maidenhead , United Kingdom
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24
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Visual processing in anorexia nervosa and body dysmorphic disorder: similarities, differences, and future research directions. J Psychiatr Res 2013; 47:1483-91. [PMID: 23810196 PMCID: PMC3786585 DOI: 10.1016/j.jpsychires.2013.06.003] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 06/04/2013] [Accepted: 06/06/2013] [Indexed: 12/11/2022]
Abstract
Anorexia nervosa (AN) and body dysmorphic disorder (BDD) are psychiatric disorders that involve distortion of the experience of one's physical appearance. In AN, individuals believe that they are overweight, perceive their body as "fat," and are preoccupied with maintaining a low body weight. In BDD, individuals are preoccupied with misperceived defects in physical appearance, most often of the face. Distorted visual perception may contribute to these cardinal symptoms, and may be a common underlying phenotype. This review surveys the current literature on visual processing in AN and BDD, addressing lower- to higher-order stages of visual information processing and perception. We focus on peer-reviewed studies of AN and BDD that address ophthalmologic abnormalities, basic neural processing of visual input, integration of visual input with other systems, neuropsychological tests of visual processing, and representations of whole percepts (such as images of faces, bodies, and other objects). The literature suggests a pattern in both groups of over-attention to detail, reduced processing of global features, and a tendency to focus on symptom-specific details in their own images (body parts in AN, facial features in BDD), with cognitive strategy at least partially mediating the abnormalities. Visuospatial abnormalities were also evident when viewing images of others and for non-appearance related stimuli. Unfortunately no study has directly compared AN and BDD, and most studies were not designed to disentangle disease-related emotional responses from lower-order visual processing. We make recommendations for future studies to improve the understanding of visual processing abnormalities in AN and BDD.
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Kanakam N, Treasure J. A review of cognitive neuropsychiatry in the taxonomy of eating disorders: state, trait, or genetic? Cogn Neuropsychiatry 2013; 18:83-114. [PMID: 22994309 DOI: 10.1080/13546805.2012.682362] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A greater understanding of neuropsychological traits in eating disorders may help to construct a more biologically based taxonomy. The aim of this paper is to review the current evidence base of neuropsychological traits in people with eating disorders. Evidence of difficulties in set shifting, weak central coherence, emotional processing difficulties, and altered reward sensitivity is presented for people both in the acute and recovered phase of the illness. These traits are also seen in first degree relatives. At present there is limited research linking these neuropsychological traits with genetic and neuroanatomical measures. In addition to improving the taxonomy of eating disorders, neuropsychological traits may be of value in producing targeted treatments.
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Affiliation(s)
- Natalie Kanakam
- Section of Eating Disorders, Psychological Medicine, Institute of Psychiatry, King's College London, London, UK.
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26
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Oltra-Cucarella J, Espert R, Rojo L, Jacas C, Guillén V, Moreno S. Neuropsychological Impairments in Anorexia Nervosa: A Spanish Sample Pilot Study. APPLIED NEUROPSYCHOLOGY-ADULT 2013; 21:161-75. [DOI: 10.1080/09084282.2013.782030] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
| | - Raul Espert
- a Unit of Neuropsychology , Hospital Clínico Universitario , Valencia , Spain
| | - Luís Rojo
- b Unit of Infant/Juvenile Psychiatry and Eating Disorders , Hospital Universitari y Politècnic La Fe , Valencia , Spain
| | - Carlos Jacas
- c Unit of Neuropsychology, Department of Psychiatry , Hospital Universitario Vall d'Hebrón , Barcelona , Spain
| | - Verónica Guillén
- d Faculty of Psychology , University of Valencia, and Unit of Eating Disorders, PREVI Center of Psychology , Valencia , Spain
| | - Sergio Moreno
- a Unit of Neuropsychology , Hospital Clínico Universitario , Valencia , Spain
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Kothari R, Solmi F, Treasure J, Micali N. The neuropsychological profile of children at high risk of developing an eating disorder. Psychol Med 2013; 43:1543-1554. [PMID: 23021014 DOI: 10.1017/s0033291712002188] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND There is a large body of evidence indicating that eating disorders (EDs) are characterized by particular neuropsychological profiles. We aimed to further explore whether impairments in neuropsychological functioning previously found in ED groups are present prior to onset, or are secondary to the disorder. Method This is the first study to explore neuropsychological functioning in children born to a mother with a lifetime ED, who are therefore at high risk of developing an ED, in a large cohort sample. We investigated intelligence and attention at age 8 years (n = 6201) and working memory (WM) and inhibition at age 10 years (6192) in children who are at high risk of developing an ED, compared to children who are not. RESULTS The children of women with lifetime anorexia nervosa (AN) showed high full-scale and performance IQ, increased WM capacity, better visuo-spatial functioning, and decreased attentional control. The children of women with lifetime bulimia nervosa (BN) showed comparatively poor visuo-spatial functioning. CONCLUSIONS Our findings suggest that high intelligence, increased WM capacity and impaired attentional control might be intermediate phenotypes on the pathway between genetic vulnerability and the development of an ED.
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Affiliation(s)
- R Kothari
- Behavioural and Brain Sciences Unit, Institute of Child Health, University College London, UK.
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Abstract
Verbal fluency performance is commonly evaluated in clinical neuropsychology, in particular for assessment of executive functioning. Fluency is usually assessed by the person's ability to produce as many words as possible from a given cue within a specific timeframe. The cues are typically phonemic, e.g. words beginning with a specific letter, or semantic, e.g. words within a given category. Important components underlying fluency performance include clustering (the production of words within subcategories) and switching (the switch between clusters). Previous studies have demonstrated good performance on verbal fluency tasks in patients with anorexia nervosa (AN), but have not investigated the underlying components of this performance. The aim of the present study was to compare phonemic fluency performance in patients with AN to healthy controls (HC) and to investigate the use of clustering and switching in the two groups. Fifty-two patients with AN were compared with 37 HC on a phonemic fluency task. The patient group produced more words in total but the results were not significantly different compared to the HC sample. There were no differences between the two groups with regard to clustering, but patients with AN performed significantly more switches. In addition, switching was significantly more related to total output score in the patient sample. In contrast with previous studies of other areas of cognitive flexibility in AN, patients with AN appear to have good verbal set-shifting skills.
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Sato Y, Saito N, Utsumi A, Aizawa E, Shoji T, Izumiyama M, Mushiake H, Hongo M, Fukudo S. Neural basis of impaired cognitive flexibility in patients with anorexia nervosa. PLoS One 2013; 8:e61108. [PMID: 23675408 PMCID: PMC3651087 DOI: 10.1371/journal.pone.0061108] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2012] [Accepted: 03/05/2013] [Indexed: 02/07/2023] Open
Abstract
Background Impaired cognitive flexibility in anorexia nervosa (AN) causes clinical problems and makes the disease hard to treat, but its neural basis has yet to be fully elucidated. The purpose of this study was to evaluate the brain activity of individuals with AN while performing a task requiring cognitive flexibility on the Wisconsin Card Sorting Test (WCST), which is one of the most frequently used neurocognitive measures of cognitive flexibility and problem-solving ability. Methods Participants were 15 female AN patients and 15 age- and intelligence quotient-matched healthy control women. Participants completed the WCST while their brain activity was measured by functional magnetic resonance imaging during the task. Brain activation in response to set shifting error feedback and the correlation between such brain activity and set shifting performance were analyzed. Results The correct rate on the WCST was significantly poorer for AN patients than for controls. Patients showed poorer activity in the right ventrolateral prefrontal cortex and bilateral parahippocampal cortex on set shifting than controls. Controls showed a positive correlation between correct rate and ventrolateral prefrontal activity in response to set shifting whereas patients did not. Conclusion These findings suggest dysfunction of the ventrolateral prefrontal cortex and parahippocampal cortex as a cause of impaired cognitive flexibility in AN patients.
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Affiliation(s)
- Yasuhiro Sato
- Department of Psychosomatic Medicine, Tohoku University Hospital, Sendai, Miyagi, Japan
| | - Naohiro Saito
- Department of Clinical Neuroscience, Yamagata University Graduate School of Medical Science, Yamagata City, Yamagata, Japan
| | | | - Emiko Aizawa
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Tomotaka Shoji
- Department of Psychosomatic Medicine, Tohoku University Hospital, Sendai, Miyagi, Japan
| | | | - Hajime Mushiake
- Department of Physiology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Michio Hongo
- Kurokawa Hospital, Taiwa-cho, Miyagi, Japan
- Department of Comprehensive Medicine, Tohoku University Hospital, Sendai, Miyagi, Japan
| | - Shin Fukudo
- Department of Psychosomatic Medicine, Tohoku University Hospital, Sendai, Miyagi, Japan
- Department of Behavioral Medicine, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
- * E-mail:
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Personality, clinical features, and test instructions can affect executive functions in Eating Disorders. Eat Behav 2013; 14:233-6. [PMID: 23557828 DOI: 10.1016/j.eatbeh.2012.12.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2012] [Revised: 10/19/2012] [Accepted: 12/04/2012] [Indexed: 11/21/2022]
Abstract
Cognitive deficits in Eating Disorders have been related to the executive function domain. Yet, to date, only few works investigated the relationship between neuropsychological and clinical issues, and these studies were separately conducted either on Anorexia Nervosa (AN) or Bulimia Nervosa (BN). In this study, three groups of AN, BN and matched controls were administered the Trail Making Test, the Wisconsin Card Sorting Test, and the Hayling Sentence Completion Test, in addition to personality and clinical assessments (Temperament and Character Inventory, SCL-90-R, EDI-2). Results from AN indicated a relationship between cognitive rigidity and fixed psychological traits. Conversely, BN showed broader correlations among slowness, inhibition, and psychopathology-state indexes, confirming the clear relation published in the literature. We also hypothesize that task peculiar characteristics can affect high-order attentional activities in Eating Disorders. In fact, these patients do not differ from controls when the examiner provides overt instruction and run-in examples, but they can find serious difficulties when the correct rule is to be derived and modified from feedbacks during the test, as in the Wisconsin Card Sorting Test. Perfectionist stable traits support this hypothesis, especially in AN, as excessive cognitive control can either improve or damage set-shifting and decision-making procedures.
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Calderoni S, Muratori F, Leggero C, Narzisi A, Apicella F, Balottin U, Carigi T, Maestro S, Fabbro F, Urgesi C. Neuropsychological functioning in children and adolescents with restrictive-type anorexia nervosa: An in-depth investigation with NEPSY–II. J Clin Exp Neuropsychol 2013; 35:167-79. [DOI: 10.1080/13803395.2012.760536] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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32
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Neuropsychology and anorexia nervosa. Cognitive and radiological findings. NEUROLOGÍA (ENGLISH EDITION) 2012. [DOI: 10.1016/j.nrleng.2011.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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33
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Neuropsicología y anorexia nerviosa. Hallazgos cognitivos y radiológicos. Neurologia 2012; 27:504-10. [DOI: 10.1016/j.nrl.2011.08.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2011] [Revised: 07/15/2011] [Accepted: 08/26/2011] [Indexed: 12/28/2022] Open
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Abstract
Anorexia nervosa (AN) is a complex illness and highly challenging to treat. One promising approach to significantly advance our understanding of the underlying pathophysiology of AN involves developing a cognitive neuroscience model of illness. Cognitive neuroscience uses probes such as neuropsychological tasks and neuroimaging techniques to identify the neural underpinnings of behavior. With this approach, advances have been made in identifying higher-order cognitive processes that likely mediate symptom expression in AN. Identification of related neuropathology is beginning. Such findings led to the development of complex neurobehavioral models that aim to explain the etiology and persistence of AN. Future research will use these advanced tools to test and refine hypotheses about the underlying mechanisms of AN.
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Affiliation(s)
- Amelia Kidd
- New York State Psychiatric Institute, Columbia University, 1051 Riverside Drive, Unit 98, New York, NY 10032, USA.
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35
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Danner UN, Sanders N, Smeets PAM, van Meer F, Adan RAH, Hoek HW, van Elburg AA. Neuropsychological weaknesses in anorexia nervosa: set-shifting, central coherence, and decision making in currently ill and recovered women. Int J Eat Disord 2012; 45:685-94. [PMID: 22331528 DOI: 10.1002/eat.22007] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/31/2011] [Indexed: 12/21/2022]
Abstract
OBJECTIVE The purpose of this study is to examine set-shifting, central coherence, and decision making in women currently ill with anorexia nervosa (AN), women recovered from AN, and healthy control women. We aim to test whether these neuropsychological weaknesses persist after recovery, and explore relations between the impairments RESULTS Compared to control women, ill and recovered women showed poor set-shifting and decision making. There were strong correlations between set-shifting and central coherence in the ill and recovered women. Decision making did not correlate with the other measures. DISCUSSION The present findings suggest that impaired set-shifting and decision making are stable traits in women with AN. Because individual differences within these groups were large, a rigid thinking style is only present in a (sub)population of ill and recovered women. Decision-making performance is not related to a rigid thinking style, but further research in this area is warranted.
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Affiliation(s)
- Unna N Danner
- Altrecht Eating Disorders Rintveld, Altrecht Mental Health Institute, The Netherlands.
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36
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Frampton I, Hutchinson A, Watkins B, Lask B. Neurobiological status at initial presentation predicts neuropsychological functioning in early onset anorexia nervosa at four-year follow up. Dev Neuropsychol 2012; 37:76-83. [PMID: 22292832 DOI: 10.1080/87565641.2011.583301] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
This study explores whether neurobiological status (indexed by regional cerebral blood flow) at initial presentation predicts neuropsychological status at four-year follow up in a sample of children with early onset anorexia nervosa. Neuropsychological assessment was conducted on 15 females four years after their initial treatment, and matched controls. At follow up there were significant differences between subgroups (based on neurobiological status at initial presentation) and matched controls in long-term visual memory and cognitive inhibition. This study offers preliminary evidence that neurobiological abnormalities at initial presentation predict neuropsychological status at follow up, suggesting a distinct neurodevelopmental subtype of early onset anorexia nervosa.
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Affiliation(s)
- Ian Frampton
- College of Life and Environmental Science, University of Exeter, Exeter, United Kingdom.
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37
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Shott ME, Filoteo JV, Jappe LM, Pryor T, Maddox WT, Rollin MDH, Hagman JO, Frank GKW. Altered implicit category learning in anorexia nervosa. Neuropsychology 2011; 26:191-201. [PMID: 22201300 DOI: 10.1037/a0026771] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
OBJECTIVE Recent research has identified specific cognitive deficits in patients with anorexia nervosa (AN), including impairment in executive functioning and attention. Another such cognitive process, implicit category learning has been less studied in AN. This study examined whether implicit category learning is impaired in AN. METHOD Twenty-one women diagnosed with AN and 19 control women (CW) were administered an implicit category learning task in which they were asked to categorize simple perceptual stimuli (Gabor patches) into one of two categories. Category membership was based on a linear integration (i.e., an implicit task) of two stimulus dimensions (orientation and spatial frequency of the stimulus). RESULTS AN individuals were less accurate on implicit category learning relative to age-matched CW. Model-based analyses indicated that, even when AN individuals used the appropriate (i.e., implicit) strategy they were still impaired relative to CW who also used the same strategy. In addition, task performance in AN patients was worse the higher they were in self-reported novelty seeking and the lower they were in sensitivity to punishment. CONCLUSIONS These results indicate that AN patients have implicit category learning deficits, and given this type of learning is thought to be mediated by striatal dopamine pathways, AN patients may have deficits in these neural systems. The finding of significant correlations with novelty seeking and sensitivity to punishment suggests that feedback sensitivity is related to implicit learning in AN.
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Affiliation(s)
- Megan E Shott
- Department of Psychiatry, University of Colorado, Denver, CO, USA
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38
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Harrison A, Tchanturia K, Naumann U, Treasure J. Social emotional functioning and cognitive styles in eating disorders. BRITISH JOURNAL OF CLINICAL PSYCHOLOGY 2011; 51:261-79. [PMID: 22803934 DOI: 10.1111/j.2044-8260.2011.02026.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Contemporary models of eating disorders (EDs) argue that both cognitive style (weak coherence and poor set shifting) and social emotional difficulties are involved in the maintenance of EDs. This study aimed to explore the factor structure of cognitive and social emotional functioning and to investigate whether a particular cognitive or social emotional profile was associated with a more severe and chronic form of illness. DESIGN A cross-sectional design was used to investigate cognitive and social emotional functioning in people with EDs compared to healthy controls (HCs) and those recovered from an ED. METHODS Two hundred twenty-five participants were assessed (100 with an ED, 35 recovered from an ED, and 90 HCs) using a battery of set shifting, coherence, and social emotional measures. RESULTS There were no significant correlations between the cognitive or social emotional variables. A principal components analysis (PCA) identified three components: a fragmented perseverative cognitive style, for which the ED group scored highly, a global flexible cognitive style, for which HCs scored highly, and a social emotional difficulties profile, for which those with EDs scored highly. Individuals in recovery from an ED did not differ from the acute group, suggesting this cognitive and social emotional profile may be a trait associated with EDs. ED participants scoring highest for the fragmented perseverative cognitive style and social emotional difficulties had a more severe and chronic form of illness. CONCLUSIONS The findings provide empirical support for Schmidt and Treasure's (2006) maintenance model of EDs and suggest both cognition and emotional functioning should be considered in treatment.
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Affiliation(s)
- Amy Harrison
- Psychological Medicine, Section of Eating Disorders, King's College London, Institute of Psychiatry, London, UK.
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39
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Van den Eynde F, Samarawickrema N, Kenyon M, DeJong H, Lavender A, Startup H, Schmidt U. A study of neurocognition in bulimia nervosa and eating disorder not otherwise specified-bulimia type. J Clin Exp Neuropsychol 2011; 34:67-77. [PMID: 22059531 DOI: 10.1080/13803395.2011.621891] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Neurocognition in bulimia nervosa (BN) is under-researched. This study investigated aspects of attention (d2-Letter Cancellation Task), inhibitory control (Stroop and go/no-go task), and decision making (Game of Dice Task) in 40 people with BN, 30 with eating disorder not otherwise specified-BN type (EDNOS-BN), and 65 healthy controls (HCs). The National Adult Reading Test (NART) and Depression Anxiety Stress Scale (DASS-21) were also administered. Analyses of covariance (covariates: age, NART, and DASS-21) showed that people with BN and EDNOS-BN performed as well as HCs on all tasks. Attention task performance was poorer in the EDNOS-BN than in the BN group.
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Affiliation(s)
- Frederique Van den Eynde
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, King's College London, London, UK.
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40
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Stedal K, Frampton I, Landrø NI, Lask B. An Examination of the Ravello Profile - A Neuropsychological Test Battery for Anorexia Nervosa. EUROPEAN EATING DISORDERS REVIEW 2011; 20:175-81. [DOI: 10.1002/erv.1160] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Revised: 06/28/2011] [Accepted: 08/26/2011] [Indexed: 11/11/2022]
Affiliation(s)
- Kristin Stedal
- Regional Eating Disorders Service; Oslo University Hospital Ullevål; Norway
| | | | - Nils Inge Landrø
- Center for the Study of Human Cognition, Department of Psychology; University of Oslo; Norway
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41
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Harrison A, Tchanturia K, Treasure J. Measuring state trait properties of detail processing and global integration ability in eating disorders. World J Biol Psychiatry 2011; 12:462-72. [PMID: 21554026 DOI: 10.3109/15622975.2010.551666] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Women with eating disorders (EDs) are reported to have strengths in local or detailed information processing and difficulties with coherence or global processing/integration. METHODS This study aimed to replicate these findings and additionally explore a global integration task which has not previously been reported for an ED group, the Fragmented Pictures Task (FPT). Two hundred and twenty-two women (50 with anorexia nervosa (AN), 48 with bulimia nervosa (BN), 35 recovered from AN and 89 controls (HC)) completed the Rey-Osterrieth Complex Figure Task (RCFT) to measure global/local processing strategies, the Group Embedded Figures Task (GEFT) to measure local processing and the FPT to measure global integration. RESULTS Superior detail processing skills (GEFT) and a tendency to utilise detail processing strategies (RCFT) were associated with having AN, BN and being in recovery from AN. Global integration difficulties (FPT) were only observed in acute AN, whereas participants in the BN and recovered group performed similarly to HCs. CONCLUSIONS People currently ill with, and recovered from EDs are skilled at detail processing. The acute phase of AN is associated with difficulties in global integration.
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Affiliation(s)
- Amy Harrison
- Eating Disorders Research Unit, King's College London, Institute of Psychiatry, Department of Psychological Medicine and Psychiatry, 5th Floor, Bermondsey Wing, Guy's Hospital, London SE1 9RT, UK. amy.harrison@.kcl.ac.uk
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42
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Van den Eynde F, Guillaume S, Broadbent H, Stahl D, Campbell IC, Schmidt U, Tchanturia K. Neurocognition in bulimic eating disorders: a systematic review. Acta Psychiatr Scand 2011; 124:120-40. [PMID: 21477100 DOI: 10.1111/j.1600-0447.2011.01701.x] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
UNLABELLED Van den Eynde F, Guillaume S, Broadbent H, Stahl D, Campbell IC, Schmidt U, Tchanturia K. Neurocognition in bulimic eating disorders: a systematic review. OBJECTIVE The aim of this study was to review the literature on neurocognition comparing people with a bulimic eating disorder in the acute phase of the illness with healthy controls (HC). METHOD The review follows the PRISMA (preferred reporting items for systematic reviews and meta-analysis) statement guidelines. Three databases (Medline, Web of Science, and Scopus) were searched combining the search terms 'bulimic disorder', 'bulimia nervosa (BN)', 'binge-eating disorder (BED)' with terms referring to cognitive domains (e.g. 'executive functions'). RESULTS Thirty-seven studies on people with BN and four on people with BED were selected for review. Overall, sample sizes were relatively small [bulimic disorders: median and range 22 (12-83); HC: 27 (13-172)]. The diversity in methodology precluded a meta-analytical approach. People with a bulimic disorder did not present with a clear neurocognitive profile. Inclusion of salient, disorder-related stimuli (e.g. body weight/shape words) in the neurocognitive paradigms tended to generate differences between people with a bulimic disorder and HC. CONCLUSION Neurocognition in bulimic eating disorders is under researched, and the available evidence is inconclusive. This review outlines strategies for further research in this area.
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Affiliation(s)
- F Van den Eynde
- King's College London, Institute of Psychiatry, Psychological Medicine, London, UK.
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Rose M, Davis J, Frampton I, Lask B. The Ravello Profile: development of a global standard neuropsychological assessment for young people with anorexia nervosa. Clin Child Psychol Psychiatry 2011; 16:195-202. [PMID: 21502218 DOI: 10.1177/1359104511401191] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Recent research suggests that neuropsychological factors may play an important role in the development and maintenance of anorexia nervosa. However, it has been difficult to draw firm conclusions because of the wide range of assessments and norms that have been used. The aim of the Ravello Profile is to define a common shared neuropsychological assessment battery that can be adopted by researchers and clinicians working with young people. We describe the background to the Ravello Profile and the process of developing it, before specifying the recommended tests. We present an illustrative case example and consider some of the potential clinical and research applications of the profile with young people suffering from anorexia nervosa.
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Affiliation(s)
- Mark Rose
- Feeding and Eating Disorders Service, Department of Child and Adolescent Mental Health, Great Ormond Street Hospital for Children NHS Trust, Great Ormond Street, London WC1N 3JH, UK.
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Nikendei C, Funiok C, Pfüller U, Zastrow A, Aschenbrenner S, Weisbrod M, Herzog W, Friederich HC. Memory performance in acute and weight-restored anorexia nervosa patients. Psychol Med 2011; 41:829-838. [PMID: 20529417 DOI: 10.1017/s0033291710001121] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Anorexia nervosa (AN), at the stage of starvation and emaciation, is characterized by abnormalities in cognitive function, including memory performance. It is unclear whether memory impairment persists or is reversible following weight restoration, and whether memory function differs between AN subtypes. The aim of the present study was to investigate general memory performance in currently ill and fully weight-restored patients of different AN subtypes. METHOD Memory performance was assessed using the Wechsler Memory Scale-Revised (WMS-R) in a total of 99 participants, including 34 restricting-type AN patients (AN-RESTR), 19 binge-eating/purging-type AN patients (AN-PURGE), 16 weight-restored AN patients (AN-W-R) and 30 healthy controls (CONTROL). Cognitive evaluation included a battery of standardized neuropsychological tasks for validating the findings on memory function. RESULTS Deficits were found with respect to immediate and delayed story recall in currently ill AN patients irrespective of AN subtype. These deficits persisted in weight-restored AN patients. Currently ill and weight-restored AN patients did not differ significantly from healthy controls with respect to working memory or other measures of neuropsychological functioning. CONCLUSIONS The findings suggest that impaired memory performance is either a stable trait characteristic or a scar effect of chronic starvation that may play a role in the development and/or persistence of the disorder.
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Affiliation(s)
- C Nikendei
- Department of Psychosomatic and General Internal Medicine, Centre for Psychosocial Medicine, University Hospital Heidelberg, Germany.
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45
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Galderisi S, Bucci P, Mucci A, Bellodi L, Cassano GB, Santonastaso P, Erzegovesi S, Favaro A, Mauri M, Monteleone P, Maj M. Neurocognitive functioning in bulimia nervosa: the role of neuroendocrine, personality and clinical aspects. Psychol Med 2011; 41:839-848. [PMID: 20594380 DOI: 10.1017/s0033291710001303] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Studies investigating neurocognitive impairment in subjects with eating disorders (EDs) have reported heterogeneous patterns of impairment and, in some instances, no dysfunction. The present study aimed to define the pattern of neurocognitive impairment in a large sample of bulimia nervosa (BN) patients and to demonstrate that neuroendocrine, personality and clinical characteristics influence neurocognitive performance in BN. METHOD Attention/immediate memory, set shifting, perseveration, conditional and implicit learning were evaluated in 83 untreated female patients with BN and 77 healthy controls (HC). Cortisol and 17β-estradiol plasma levels were assessed. Cloninger's Temperament and Character Inventory - Revised (TCI-R), the Bulimic Investigation Test Edinburgh (BITE) and the Montgomery-Asberg Depression Rating Scale (MADRS) were administered. RESULTS No impairment of cognitive performance was found in subjects with BN compared with HC. Cortisol and 'Self-directedness' were associated with better performance on conditional learning whereas 17β-estradiol had a negative influence on this domain; 'Reward dependence' was associated with worse performance on implicit learning; and depressive symptomatology influenced performance on the Wisconsin Card Sorting Test (WCST) negatively. CONCLUSIONS No cognitive impairment was found in untreated patients with BN. Neuroendocrine, personality and clinical variables do influence neurocognitive functioning and might explain discrepancies in literature findings.
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Affiliation(s)
- S Galderisi
- Department of Psychiatry, University of Naples SUN, Naples, Italy.
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46
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Kim YR, Lim SJ, Treasure J. Different Patterns of Emotional Eating and Visuospatial Deficits Whereas Shared Risk Factors Related with Social Support between Anorexia Nervosa and Bulimia Nervosa. Psychiatry Investig 2011; 8:9-14. [PMID: 21519531 PMCID: PMC3079192 DOI: 10.4306/pi.2011.8.1.9] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2010] [Revised: 09/09/2010] [Accepted: 10/25/2010] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE Although it is thought that eating disorders result from the interplay of personal and sociocultural factors, a comprehensive model of eating disorders remains to be established. The aim of this study was to determine the extent to which the childhood factors and deficit in visuoperceptual ability contribute to eating disorders. METHODS A total of 76 participants - 22 women with anorexia nervosa (AN), 28 women with bulimia nervosa (BN), and 26 healthy women of comparable age, IQ, and years of education - were examined. Neuropsychological tasks were applied to measure the visuoperceptual deficits, viz. the Rey-Osterrieth complex figure test and the group embedded figures test (GEFT). A questionnaire designed to obtain retrospective assessments of the childhood risk factors was administered to the participants. RESULTS The women with both AN and BN were less likely to report having supportive figures in their childhood and poor copy accuracy in the Rey-Osterrieth test. The women with AN were more likely to report premorbid anxiety, childhood emotional undereating and showed poor performances in the GEFT. In the final model, the factors independently contributing to the case status were less social support in childhood as a common factor for both AN and BN, and childhood emotional undereating and poor ability in the low-level visuospatial processing for AN. CONCLUSION Our results suggest the disturbance in the food-emotion relationship and the deficit in low-level visuospatial processing in people with AN. Lower social support appears to contribute to an increase in vulnerability to both AN and BN.
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Affiliation(s)
- Youl-Ri Kim
- Department of Neuropsychiatry, Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea
| | - Soo-Jin Lim
- Department of Neuropsychiatry, Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea
| | - Janet Treasure
- Department of Academic Psychiatry, Guy's, King's, and St. Thomas's Medical School & Institute of Psychiatry, London, UK
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Rose M, Frampton I, Lask B. A case series investigating distinct neuropsychological profiles in children and adolescents with anorexia nervosa. EUROPEAN EATING DISORDERS REVIEW 2011; 20:32-8. [PMID: 21308870 DOI: 10.1002/erv.1095] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
A number of specific deficits in neuropsychological functioning in anorexia nervosa (AN) have been identified. However, it is not known whether these specific deficits cluster together to form one or more clear neuropsychological profiles. We present a case series of nine participants who were recruited as part of a wider, ongoing investigation of the neuropsychological profile of eating disorders (the Ravello Profile). Results show that there was a wide range of different neuropsychological profiles at initial assessment. This suggests a spectrum of neuropsychological strengths and weaknesses that would otherwise be masked in a cohort analysis. It is anticipated that factor and cluster analytic studies will establish one or more common profiles of neuropsychological deficits in AN.
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Lopez C, Stahl D, Tchanturia K. Estimated intelligence quotient in anorexia nervosa: a systematic review and meta-analysis of the literature. Ann Gen Psychiatry 2010; 9:40. [PMID: 21182794 PMCID: PMC3016382 DOI: 10.1186/1744-859x-9-40] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2010] [Accepted: 12/23/2010] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND It has been hypothesised that people with anorexia nervosa have a higher intelligence quotient (IQ) level than the general population. The purpose of this review was to systematically appraise the research into reported IQ levels in people with anorexia nervosa. METHODS A search using the terms intelligence quotient, IQ, intelligence, cognition, eating disorders and anorexia was conducted in electronic databases only. RESULTS In all, 30 peer-reviewed studies written in English that used well established measures of intelligence quotient (the National Adult Reading Test and Wechsler Intelligence Scales) were identified. This review established that people with anorexia nervosa score 10.8 units and 5.9 units above the average intelligence quotient of the normative population on the National Adult Reading Test and Wechsler Intelligence Scales, respectively. An association was found between Body Mass Index and intelligence quotient, as measured by the National Adult Reading Test. CONCLUSIONS More studies including other eating disorder categories and recovered people are needed to explore important questions regarding the role of the intelligence quotient in treatment response.
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Affiliation(s)
- Carolina Lopez
- Institute of Psychiatry, Kings College London, London, UK
- Faculty of Medicine, University of Chile, Santiago, Chile
| | - Daniel Stahl
- Institute of Psychiatry, Kings College London, London, UK
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Monica D, Paulo M, Appolinário JC, Freitas SRD, Coutinho G, Santos C, Coutinho W. Assessment of executive functions in obese individuals with binge eating disorder. BRAZILIAN JOURNAL OF PSYCHIATRY 2010; 32:381-8. [DOI: 10.1590/s1516-44462010000400011] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2009] [Accepted: 03/05/2010] [Indexed: 11/21/2022]
Abstract
OBJECTIVE: The aim of this study was to assess executive functions of obese individuals with binge eating disorder. METHOD: Thirty-eight obese individuals with binge eating disorder were compared to thirty-eight obese controls without binge eating disorder in terms of their executive functions. All individuals were assessed using the following instruments: Digit Span, Trail Making Tests A and B, Stroop Test and the Wisconsin Card Sorting Test. In addition, four subtests from the Behavioral Assessment of the Dysexecutive Syndrome Battery were also used, namely the Zoo Map Test, the Modified Six Elements Test, the Action Program Test and the Rule Shift Cards Test. RESULTS: When compared to obese controls, obese individuals with binge eating disorder presented significant impairment in the following tests: Digit Span backward, Zoo Map Test, Modified Six Elements Test, and Action Program Test. Subjects with binge eating disorder also showed significant more set shifting and perseverative errors in the Wisconsin Card Sorting Test. In other measures such as the Digit Span Forward, the Trail Making Test, the Stroop Test and the Rule Shift Cards Test, obese subjects with binge eating disorder did not differ significantly from obese subjects without binge eating disorder. CONCLUSION: These results suggest that, in the present sample, obese individuals with binge eating disorder presented executive deficits, especially impairments relating to problem-solving, cognitive flexibility and working memory.
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Affiliation(s)
- Duchesne Monica
- Universidade Federal do Rio de Janeiro, Brazil; Instituto Estadual de Diabetes e Endocrinologia, Brazil
| | - Mattos Paulo
- Universidade Federal do Rio de Janeiro, Brazil; Centro de Neuropsicologia Aplicada, Brazil
| | - José Carlos Appolinário
- Universidade Federal do Rio de Janeiro, Brazil; Instituto Estadual de Diabetes e Endocrinologia, Brazil
| | - Silvia Regina de Freitas
- Universidade Federal do Rio de Janeiro, Brazil; Instituto Estadual de Diabetes e Endocrinologia, Brazil
| | - Gabriel Coutinho
- Universidade Federal do Rio de Janeiro, Brazil; Instituto Estadual de Diabetes e Endocrinologia, Brazil
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50
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Roberts ME, Tchanturia K, Treasure JL. Exploring the neurocognitive signature of poor set-shifting in anorexia and bulimia nervosa. J Psychiatr Res 2010; 44:964-70. [PMID: 20398910 DOI: 10.1016/j.jpsychires.2010.03.001] [Citation(s) in RCA: 182] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2010] [Revised: 02/26/2010] [Accepted: 03/01/2010] [Indexed: 12/30/2022]
Abstract
Poor set-shifting has been implicated as a risk marker, maintenance factor and candidate endophenotype of eating disorders (ED). This study aimed to add clarity to the cognitive profile of set-shifting by examining the trait across ED subtypes, assessing whether it is a state or trait marker, and whether it runs in families. A battery of neuropsychological tasks was administered to 270 women with current anorexia (AN) and bulimia nervosa (BN), women recovered from AN, unaffected sisters of AN and BN probands, and healthy control women. Set-shifting was examined using both individual task scores and a composite variable (poor/intact/superior shifting) calculated from four neuropsychological tasks. Poor set-shifting was found at a higher rate in those with an ED particularly binge/purging subtypes. Some evidence for poor set-shifting was also present in those recovered from AN and in unaffected sisters of AN and BN. Clinically, poor set-shifting was associated with a longer duration of illness and more severe ED rituals but not body mass index. In sum, poor set-shifting is a transdiagnostic feature related to aspects of the illness but not to malnutrition. In part it is a familial trait, and is likely involved in the maintenance of the illness.
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Affiliation(s)
- Marion E Roberts
- Institute of Psychiatry, Division of Psychological Medicine and Psychiatry, Section of Eating Disorders, King's College London, United Kingdom.
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