Didier Périsse

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This study assessed parents’ first concerns about their autistic child. This information was categorized so that it could help healthcare professionals improve early detection of autism.We designed a questionnaire using an open-ended format, and 459 questionnaires were completed by parents to assess difficulties encountered in obtaining a diagnosis for(More)
OBJECTIVES To assess the effect of age at onset on the phenomenology of Cotard's syndrome (CS) as a recent study reported a high rate of occurrence of bipolar disorder (BD) in adolescents and young adults with CS followed up for > or =2 years. METHODS We reviewed all cases of CS reported since it was first described. A statistical analysis was carried out(More)
Language impairment is a common core feature in Pervasive Developmental Disorders (PDD) and Specific Language Impairment (SLI). Many studies have tried to define the specific language profiles of these disorders, some claiming the existence of overlaps, and others conceiving of them as separate categories. Fewer have sought to determinewhether and how(More)
BACKGROUND The diagnosis of bipolar disorder-I (BD-I) is currently well-established. However, more studies exploring diagnostic stability and psychosocial adaptation during follow-up in adulthood are needed. OBJECTIVES We assessed factors at follow-up (FU): (1) the diagnostic stability of manic/mixed episodes from adolescence to adulthood, (2)(More)
Second-generation antipsychotics (SGAs) induce frequent adverse effects in children and adolescents with each compound appearing to have a specific adverse effect profile. Aripiprazole and risperidone are FDA-approved medications for behavioral disturbances associated with autism and/or intellectual disabilities (ID) in children and adolescents. Using(More)
During adolescence, some individuals with autism spectrum disorder (ASD) engage in severe challenging behaviors, such as aggression, self-injury, disruption, agitation and tantrums. We aimed to assess risk factors associated with very acute behavioral crises in adolescents with ASD admitted to a dedicated neurobehavioral unit. We included retrospectively in(More)
Catatonia is a rare but severe condition in adolescents that can be associated with both psychiatric and organic causes. The present report notes that systemic lupus erythematosus should be considered among possible causes of catatonia and shows that plasma exchange could be an efficient treatment option for such neuropsychiatric manifestations of systemic(More)
Although whole-exome sequencing (WES) is the gold standard for the diagnosis of neurodevelopmental disorders (NDDs), it remains expensive for some genetic centers. Commercialized panels comprising all OMIM-referenced genes called "medical exome" (ME) constitute an alternative strategy to WES, but its efficiency is poorly known. In this study, we report the(More)
OBJECTIVE In the absence of recommendations from drug regulatory agencies for most medications to treat severe manic or mixed episode in adolescence, this study aims to (i) describe the pharmacological treatment prescribed in an inpatient setting for acute manic or mixed episodes in adolescents; (ii) determine whether type of episode, duration of stay,(More)
This paper reviews all reports of Cotard's syndrome (délire de négation) in adolescents and young adults and summarizes four consecutive cases seen at our institution during the past 10 years. Cotard's syndrome occurs infrequently in young people (19 cases have been reported so far, including a 15-year-old boy who died at hospital) but appears to be a(More)