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Direct linkPotvin, Stephane; Briand, Catherine; Prouteau, Antoinette; Bouchard, Roch-Hugo; Lipp, Olivier; Lalonde, Pierre; Nicole, Luc; Lesage, Alain; Stip, Emmanuel – Brain and Cognition, 2005
It has been suggested that in order to sustain the lifestyle of substance abuse, addicted schizophrenia patients would have less negative symptoms, better social skills, and less cognitive impairments. Mounting evidence supports the first two assumptions, but data lack regarding cognition in dual diagnosis schizophrenia. Seventy-six schizophrenia…
Descriptors: Memory, Substance Abuse, Schizophrenia, Symptoms (Individual Disorders)
Stip, Emmanuel; Mancini-Marie, Adham – Brain and Cognition, 2004
Objective: To investigate which cognitive and affective features contribute most to responder/non-responder group separation during a switching trial with atypical antipsychotic. Design: A prospective open trial with an atypical antipsychotic (olanzapine). Patients: One hundred and thirty-four patients meeting diagnostic criteria for…
Descriptors: Schizophrenia, Patients, Drug Therapy, Neuropsychology
Fahim, Cherine; Stip, Emmanuel; Mancini-Marie, Adham; Beauregard, Mario – Brain and Cognition, 2004
Background: Brain morphology and physiological measures in schizophrenia have yielded inconsistent results. This may be due in part to difficulties in ascertaining precisely to what degree each measure deviates from its genetically and environmentally determined potential level. We attempted to surmount this problem in a paradigm involving…
Descriptors: Genetics, Memory, Twins, Schizophrenia
Milovan, Denise L.; Baribeau, Jacinthe; Roth, Robert M.; Stip, Emmanuel – Brain and Cognition, 2004
Event-related potential (ERP) studies have demonstrated impaired auditory sensory processing in patients with schizophrenia, as reflected in abnormal mismatch negativity (MMN). We sought to extend this finding by evaluating MMN in 13 treatment-refractory patients with schizophrenia, and 14 age- and gender-matched healthy controls. Subjects…
Descriptors: Schizophrenia, Patients, Visual Stimuli, Auditory Perception
Stip, Emmanuel; Bigras, Marie-Josee.; Mancini-Marie, Adham; Cosset, Marie-Eve.; Black, Deborah; Lecours, Andre-Roch – Brain and Cognition, 2004
Objective: This study investigated the long-term effects of bilateral prefrontal leukotomy on lexical abilities in schizophrenia subjects. Method: We compared performances of leukotomized (LSP), non-leukotomized schizophrenia patients (NLSP) and normal controls, using a test of verbal fluency. Multiple case and triple comparison design were…
Descriptors: Patients, Language Fluency, Schizophrenia, Lexicology
Stip, Emmanuel; Sepehry, Amir Ali; Prouteau, Antoniette; Briand, Catherine; Nicole, Luc; Lalonde, Pierre; Lesage, Alain – Brain and Cognition, 2005
Background: Schizophrenia (SZ) and schizoaffective disorders (SA) are associated with cognitive deficits. Generally, a schizoaffective diagnosis is associated with better prognosis on the level of social integration. It is also well established that cognition is an important factor for good social outcome in schizophrenia. We hypothesized that,…
Descriptors: Schizophrenia, Memory, Cognitive Tests, Emotional Disturbances
