Memory bias in anorexia nervosa: evidence from directed forgetting |
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Authors: | Tekcan Ali I Cağlar Taş A Topçuoğlu Volkan Yücel Başak |
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Institution: | Department of Psychology, Bo?azi?i University, Bebek 34342, Istanbul, Turkey. ali.tekcan@boun.edu.tr |
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Abstract: | The aim of this study was to examine memory bias for disorder-relevant information in anorexia nervosa by using the directed forgetting paradigm. Normal controls and patients with anorexia nervosa were given a list consisting of neutral and disorder-relevant words, which they were either asked to remember (R) or forget (F). Memory performance was measured by a free recall and a Yes/No recognition task for all items. There was a directed forgetting effect for both groups; however, the magnitude of the effect (difference between R and F words) was smaller for the patient group due to higher recall of F items. Further analyses showed that this was true only for disorder-relevant but not for neutral items. Our findings support the existence of a strong memory bias for disorder-relevant information in patients with anorexia nervosa, who had difficulty in avoiding the processing of information that they were asked to forget. |
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Keywords: | Memory bias Anorexia nervosa Eating disorders Directed forgetting Information processing |
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