Inclusion Criteria:  Subject must have given written consent Subject affiliated or beneficiary of a health insurance plan. Adult subjects between 25 and 55 years of age Oral and written mastery of the French language  Inclusion criteria for the borderline group:  Subject diagnosed as having borderline personality disorder according to the DSM IV classification  Exclusion criteria for the borderline group:  Patients without diagnosis of borderline personality disorder according to the DSM IV classification after taking the SCID II (Structured Clinical Interview for DSM-III-R Axis II Disorders) test  Exclusion criteria for the control group:  Subjects considered Borderline after taking the SCID II (Structured Clinical Interview for DSM-III-R Axis II Disorders) test Subjects with a score above 8 on the HADS questionnaire corresponding to questionable symptomatology for anxiety and depressive symptoms.  General exclusion Criteria:  Subjects under court protection, guardianship or curatorship Subjects for whom it is impossible to give informed information Subjects participating in a Category 1 or 2 RIPH in the 3 months prior to the study Subject refusing to give written consent Presence of known neurological disease Pregnant or breastfeeding women