With societal development and an ageing population, psychiatric disorders have become a
common cause of severe and long-term disability and socioeconomic burdens worldwide …

Deficit schizophrenia (DS) patient is a homogenous subtype of schizophrenia that includes
primary and enduring negative symptoms. This study aimed to compare the differences in …

Background Suicidal ideation is common among people diagnosed with schizophrenia
spectrum disorders and may be related to neurocognitive, social cognitive, and clinical …

Objective: This study aims to compare the cognitive function and social functioning in male
patients with deficit syndrome (DS) and non-DS, and to explore whether cognitive function …

Importance Impaired cognitive functioning is a core characteristic of schizophrenia, present
from the onset of the illness and relatively stable thereafter. Despite evidence supporting the …

Purpose Insomnia is a major public health concern that often occurs in patients with
schizophrenia, complicating the treatment and prognosis of patients. This study aimed to …

Background Tardive dyskinesia (TD), a side effect due to long-term use of antipsychotic
medication, is associated with cognitive impairment. Several studies have found sex …

Introduction Traditional classification systems based on broad nosological categories do not
adequately capture the high heterogeneity of mental illness. One possible solution to this is …