Reactivity of Patients With Borderline Personality Disorder to an Ecological Interpersonal Stress

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A dysregulation of the neuropeptides (OXT, vasopressin and opioid) could explain the dysregulation of the emotions of people with Borderline Personality Disorder. Up to this date there is no other study measuring neuropeptides kinetics of patient with Borderline Personality Disorder after an interpe...

A dysregulation of the neuropeptides (OXT, vasopressin and opioid) could explain the dysregulation of the emotions of people with Borderline Personality Disorder. Up to this date there is no other study measuring neuropeptides kinetics of patient with Borderline Personality Disorder after an interpersonal stress. This task of stress is meant to reproduce what people with Borderline Personality Disorder suffer in their everyday life (ecological). To reach this point, an imaginary interpersonal stress will be asked to be reproduced by the participants. Neuropeptides concentrations and clinical data (fear, shame, anger, moral pain, compelling needs (suicidal and non-suicidal)) will be collected at different times (pre stress, post stress immediat, 5 minutes post stress,15 minutes post stress and 40 minutes post stress) As copeptin ( fragment C terminal of the vasopressin) and vasopressin are found in stoichiometric concentration in the plasma as copeptin is more stable than vasopressin, plasma copeptin level will be used to reflect the one of vasopressin. The hypothesis is that both the neuropeptide variation and clinical data before and after the interpersonal stress will be higher for the patient with Borderline Personality Disorder than healthy controls. A correlation between clinical assessments and neuropeptides kinetics is expected. This study will help to identify inter-individual and contextual factors impacting neuropeptide's kinetics

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