Central coherence in eating disorders: A synthesis of studies using the Rey Osterrieth Complex Figure Test

Katie Lang, Marion Roberts, Amy Harrison, Carolina Lopez, Elizabeth Goddard, Mizanur Khondoker, Janet Treasure, Kate Tchanturia

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Background: Large variability in tests and differences in scoring systems used to study central coherence in eating disorders may lead to different interpretations, inconsistent findings and between study discrepancies. This study aimed to address inconsistencies by collating data from several studies from the same research group that used the Rey Osterrieth Complex Figure Test (Rey Figure) in order to produce norms to provide benchmark data for future studies.

Method: Data was collated from 984 participants in total. Anorexia Nervosa, Bulimia Nervosa, recovered Anorexia Nervosa, unaffected family members and healthy controls were compared using the Rey Figure.

Results: Poor global processing was observed across all current eating disorder sub-groups and in unaffected relatives. There was no difference in performance between recovered AN and HC groups.

Conclusions: This is the largest dataset reported in the literature and supports previous studies implicating poor global processing across eating disorders using the Rey Figure. It provides robust normative data useful for future studies.
Original languageEnglish
Article numbere0165467
JournalPLoS One
Issue number11
Publication statusPublished - 2 Nov 2016

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