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Related Concept Videos

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within the...
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Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
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Schizophrenia

Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those diagnosed.
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Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
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The Power of Interstimulus Interval for the Assessment of Temporal Processing in Rodents
10:27

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Published on: April 19, 2019

Temporal processing dysfunction in schizophrenia.

Christine A Carroll1, Jennifer Boggs, Brian F O'Donnell

  • 1Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN 47405, USA.

Brain and Cognition
|February 12, 2008
PubMed
Summary
This summary is machine-generated.

Individuals with schizophrenia show deficits in auditory timing precision, impacting temporal coordination. This study highlights auditory timing impairments in schizophrenia, distinct from visual timing abilities.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Science

Background:

  • Schizophrenia is linked to disrupted temporal coordination in brain information processing.
  • Classic symptoms like thought disorder may stem from timing deficits.
  • Research on overt timing performance in schizophrenia is limited.

Purpose of the Study:

  • To investigate timing perception in individuals with schizophrenia.
  • To examine auditory and visual time perception using a temporal bisection task.

Main Methods:

  • Twenty-three individuals with schizophrenia and 22 controls completed a temporal bisection task.
  • Participants judged auditory and visual durations between 300-600 ms.
  • Quantitative modeling analyzed time estimation parameters.

Main Results:

  • Both groups had higher visual than auditory timing variability.
  • No significant difference in visual timing precision was found between groups.
  • Individuals with schizophrenia demonstrated reduced auditory timing precision compared to controls.

Conclusions:

  • Schizophrenia is associated with a fundamental deficit in auditory temporal precision.
  • Findings support time-dependent conceptualizations of schizophrenia pathophysiology.
  • Auditory timing deficits may contribute to core symptoms of schizophrenia.