objective: to compare the clinical profile and pattern of catatonic symptoms of patients with schizophrenia and mood disorder. method: records of 13,968 patients seen between 1983-1985 and 2003-2005 were reviewed for symptoms of catatonia by resident doctors in psychiatry. cases in which the diagnosis were schizophrenia or mood disorder were then noted. socio-demographic and clinical features w...

BACKGROUND Historical aspects of the dichotomy between manic-depressive disorders and schizophrenia raise the question of a continuum between the two entities. Griesinger (1817-1868) proposed a unitary concept of psychosis: "Einheitspsychose", adaptations of which have survived until the present day. Although Kraepelin's traditional dichotomy is still a common base for clinicians every day: dia...

The Intra-Extra-dimensional set shift task (IEDS) is a widely used test of learning and attention, believed to be sensitive aspects executive function. proceeds through number stages, it generally claimed that patterns errors across stages can discriminate between reduced attention switching more general reductions in rates learning. A papers have the IEDS argue for specific shifting difficulti...

schizophrenia is a severe psychiatric illness with a lifetime prevalence of ˜1% that imposes a huge toll on patients, their families and public health services worldwide. delusions, hallucinations, disorganized speech, grossly disorganized or catatonic behavior and negative symptoms constitute the core symptoms of schizophrenia. although the neurotransmitter dopamine plays a prominent role in t...

Autism spectrum disorders (ASDs) are developmental disabilities where language development is absent or delayed, rote or repetitive behaviors typically emerge, and nonverbal communication, imagination, and social interactions are profoundly hindered (1). The severity of impairment in each of these dimensions can be quite variable, as can individual cognitive functioning (2). However, even highe...