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The undue influence of shape and weight on self-evaluation in anorexia nervosa, bulimia nervosa and restrained eaters: a combined ERP and behavioral study.
Psychol Med. 2011 Jan; 41(1):185-94.PM

Abstract

BACKGROUND

Current theories and nosology assume that the self-evaluation (SE) of individuals with eating disorders (EDs) is unduly influenced by body shape and weight. However, experimental data supporting this link are scarce, and it is not specified which subdomains of SE might be affected.

METHOD

We studied patients with anorexia nervosa (AN), bulimia nervosa (BN) and healthy controls (HC) with an affective priming (AP) procedure (Study 1) to unveil explicit and implicit associations between shape/weight and SE. We used weight/shape-related prime sentences, complemented by affectively congruent and incongruent target words from two SE domains. AP effects were assessed by event-related potentials (ERPs), reaction times (RTs) and subjective ratings. The ratings were also assessed (Study 2) in undergraduate restrained (RES) and unrestrained eaters (UNRES).

RESULTS

Study 1 demonstrated stronger AP effects in both ED groups compared to HC on RTs and subjective ratings. ERPs showed AP effects only in the BN group. Restrained eaters showed similar, albeit less pronounced, priming effects on subjective ratings.

CONCLUSIONS

ED patients associate shape/weight concerns with the non-appearance-related SE domains of interpersonal relationships and achievement/performance. These associations seem to be encoded deeper in BN patients relative to the other groups. Links between shape/weight and SE explain how body dissatisfaction impacts on self-esteem and mood in ED. The existence of similar associations in restrained eaters supports a continuum model according to which increasing associations between shape/weight and SE go along with increasing levels of ED symptoms.

Authors+Show Affiliations

Department of Clinical Psychology and Psychotherapy, Institute of Psychology, University of Freiburg, Germany. blechert@psychologie.uni-freiburg.deNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20236572

Citation

Blechert, J, et al. "The Undue Influence of Shape and Weight On Self-evaluation in Anorexia Nervosa, Bulimia Nervosa and Restrained Eaters: a Combined ERP and Behavioral Study." Psychological Medicine, vol. 41, no. 1, 2011, pp. 185-94.
Blechert J, Ansorge U, Beckmann S, et al. The undue influence of shape and weight on self-evaluation in anorexia nervosa, bulimia nervosa and restrained eaters: a combined ERP and behavioral study. Psychol Med. 2011;41(1):185-94.
Blechert, J., Ansorge, U., Beckmann, S., & Tuschen-Caffier, B. (2011). The undue influence of shape and weight on self-evaluation in anorexia nervosa, bulimia nervosa and restrained eaters: a combined ERP and behavioral study. Psychological Medicine, 41(1), 185-94. https://doi.org/10.1017/S0033291710000395
Blechert J, et al. The Undue Influence of Shape and Weight On Self-evaluation in Anorexia Nervosa, Bulimia Nervosa and Restrained Eaters: a Combined ERP and Behavioral Study. Psychol Med. 2011;41(1):185-94. PubMed PMID: 20236572.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The undue influence of shape and weight on self-evaluation in anorexia nervosa, bulimia nervosa and restrained eaters: a combined ERP and behavioral study. AU - Blechert,J, AU - Ansorge,U, AU - Beckmann,S, AU - Tuschen-Caffier,B, Y1 - 2010/03/18/ PY - 2010/3/19/entrez PY - 2010/3/20/pubmed PY - 2011/3/19/medline SP - 185 EP - 94 JF - Psychological medicine JO - Psychol Med VL - 41 IS - 1 N2 - BACKGROUND: Current theories and nosology assume that the self-evaluation (SE) of individuals with eating disorders (EDs) is unduly influenced by body shape and weight. However, experimental data supporting this link are scarce, and it is not specified which subdomains of SE might be affected. METHOD: We studied patients with anorexia nervosa (AN), bulimia nervosa (BN) and healthy controls (HC) with an affective priming (AP) procedure (Study 1) to unveil explicit and implicit associations between shape/weight and SE. We used weight/shape-related prime sentences, complemented by affectively congruent and incongruent target words from two SE domains. AP effects were assessed by event-related potentials (ERPs), reaction times (RTs) and subjective ratings. The ratings were also assessed (Study 2) in undergraduate restrained (RES) and unrestrained eaters (UNRES). RESULTS: Study 1 demonstrated stronger AP effects in both ED groups compared to HC on RTs and subjective ratings. ERPs showed AP effects only in the BN group. Restrained eaters showed similar, albeit less pronounced, priming effects on subjective ratings. CONCLUSIONS: ED patients associate shape/weight concerns with the non-appearance-related SE domains of interpersonal relationships and achievement/performance. These associations seem to be encoded deeper in BN patients relative to the other groups. Links between shape/weight and SE explain how body dissatisfaction impacts on self-esteem and mood in ED. The existence of similar associations in restrained eaters supports a continuum model according to which increasing associations between shape/weight and SE go along with increasing levels of ED symptoms. SN - 1469-8978 UR - https://www.unboundmedicine.com/medline/citation/20236572/The_undue_influence_of_shape_and_weight_on_self_evaluation_in_anorexia_nervosa_bulimia_nervosa_and_restrained_eaters:_a_combined_ERP_and_behavioral_study_ L2 - https://www.cambridge.org/core/product/identifier/S0033291710000395/type/journal_article DB - PRIME DP - Unbound Medicine ER -