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  • Title: Identity and eating disorders (IDEA): a questionnaire evaluating identity and embodiment in eating disorder patients.
    Author: Stanghellini G, Castellini G, Brogna P, Faravelli C, Ricca V.
    Journal: Psychopathology; 2012; 45(3):147-58. PubMed ID: 22398386.
    Abstract:
    BACKGROUND: In this paper we tested the hypothesis that persons with eating disorders (EDs) are affected by disturbances of the way they experience their own body (embodiment) and shape their personal identity, assuming that the various kinds of anomalies of eating behavior are consequences thereof. SAMPLING AND METHODS: We developed and validated a new self-reported questionnaire named IDEA (IDentity and EAting disorders), which was administered to 147 ED patients and 187 healthy controls. Test-retest reliability, internal consistency, psychopathological correlates, and concurrent validity were evaluated. A factor analysis was performed to verify the distribution of items into subscales. RESULTS: The questionnaire showed good test-retest reliability, and internal consistency. IDEA scores were specifically associated with ED psychopathology, and they did not show any correlation with sociodemographic and general clinical variables. Four factors were extracted, which were related to the following phenomena: 'feeling oneself only through the gaze of the other and defining oneself only through the evaluation of the other', 'feeling oneself only through objective measures', 'feeling extraneous from one's own body', and 'feeling oneself through starvation'. CONCLUSIONS: IDEA represents a multidimensional, brief, versatile, easy-to-perform instrument for clinical evaluation, assessing abnormalities in lived corporeality, and of personal identity, which appeared to be specifically associated with the core features of ED psychopathology. The main limitations of the study are the cross-sectional design. Also, it is impossible to ascertain whether the domains we assessed are specific traits of patients with EDs, or state-related features. To answer this question, a longitudinal study is needed.
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