نتایج جستجو برای: first episode schizophrenia
تعداد نتایج: 1501801 فیلتر نتایج به سال:
BACKGROUND We examined relapse after response to a first episode of schizophrenia or schizoaffective disorder. METHODS Patients with first-episode schizophrenia were assessed on measures of psychopathologic variables, cognition, social functioning, and biological variables and treated according to a standardized algorithm. The sample for the relapse analyses consisted of 104 patients who resp...
The purpose of this study is to determine the decrease of neurological soft signs (NSS) during adolescence and to compare this evolutionary process in two groups of adolescents with first episode psychosis: a) schizophrenia and b) non-schizophrenia patients. The structured neurological evaluation scale (NES) was administered to 24 adolescents with first episode psychosis. The number of NSS, the...
Background and Aim: In recent years, a number of studies have been done on patients with first-episode of psychosis. The importance of this issue is to improve outcome of the psychosis. Due to lack of similar research in Iran and differences in culture as well as in treatment program, investigation of demographic characteristics and treatment of patients with first-episode of psychosis could be...
Toxoplasma metabolism effect can rise the dopamine production which aggravate simptoms of schizophrenia. Some research reports that patients diagnosed with schizophrenia positive IgG need longer duration treatment and may relapse. This study was conducted by cross sectional method on 51 first episode schizophrenia, including acute temporary psychotic disorder, in Tampan Mental Hospital – Pekanb...
OBJECTIVE Magnetic resonance imaging (MRI) studies of schizophrenic patients have revealed structural brain abnormalities, with low volumes of gray matter in the left posterior superior temporal gyrus and in medial temporal lobe structures. However, the specificity to schizophrenia and the roles of chronic morbidity and neuroleptic treatment in these abnormalities remain unclear. METHOD Magne...
Background: The precise quantification of negative symptoms is necessary to improve differential diagnosis and prognosis prediction in Schizophrenia. In chronic psychotic patients, the representation of verbal reports as word graphs provides automated sorting of schizophrenia, bipolar disorder and control groups based on the degree of speech connectedness. Here we aim to use machine learning to...
BACKGROUND Although structural magnetic resonance imaging (MRI) studies have repeatedly demonstrated regional brain structural abnormalities in patients with schizophrenia, relatively few MRI-based studies have attempted to distinguish between patients with first-episode schizophrenia and healthy controls. METHOD Three-dimensional MR images were acquired from 52 (29 males, 23 females) first-e...
CONTEXT Magnetic resonance imaging studies have identified hippocampal volume reductions in schizophrenia and amygdala volume enlargements in bipolar disorder, suggesting different medial temporal lobe abnormalities in these conditions. These studies have been limited by small samples and the absence of patients early in the course of illness. OBJECTIVE To investigate hippocampal and amygdala...
Title Brain-wide analysis of functional connectivity in first-episode and chronic stages of schizophrenia Running title: Functional connectivity changes in schizophrenia Word Count: Abstract: 250; MS: 3823 3 figures, 2 tables and a supplement document involving 1 figure and 8 tables. Abstract Published reports of functional abnormalities in schizophrenia remain divergent due to lack of staging ...
Mismatch negativity (MMN) is a robustly abnormal brainwave in chronically ill schizophrenia that has generated interest as a disease presence biomarker. Reports of MMN reduction in first-episode schizophrenia have been equivocal, raising uncertainty about its reduction at first psychotic break. Here we tested 29 schizophrenia-spectrum participants under 1 year from their first hospitalization f...
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