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A preliminary study of reaction time in schizophrenics
A Malathi1, V G Parulkar, H S Dhavale
1Department of Physiology, T.N. Medical College, Bombay.
Indian Journal of Physiology and Pharmacology
|January 1, 1990
Summary
Auditory reaction time (ART) is significantly prolonged in individuals with schizophrenia compared to healthy individuals. Schizophrenia patients also exhibited higher distractibility, indicating potential cognitive processing differences.
Area of Science:
- Neuroscience
- Psychiatry
- Cognitive Psychology
Background:
- Schizophrenia is a complex mental disorder affecting cognition.
- Auditory reaction time (ART) is a measure of auditory processing speed.
- Understanding ART deficits may offer insights into schizophrenia's cognitive impairments.
Purpose of the Study:
- To conduct a preliminary investigation of auditory reaction time (ART) in schizophrenia.
- To determine the significance of ART alterations in schizophrenia patients.
- To compare ART between schizophrenia patients and healthy controls.
Main Methods:
- Auditory reaction time (ART) was measured in individuals diagnosed with schizophrenia.
- ART was assessed using auditory stimuli presented to both ears, the right ear, and the left ear.
- Distractibility levels were also evaluated and compared between patient and control groups.
Main Results:
- ART was significantly prolonged in schizophrenia patients compared to healthy controls (P < 0.001).
- Schizophrenia patients demonstrated significantly higher distractibility than adult controls (P < 0.001).
- No significant differences in ART were found between right and left ear stimulation, or between male and female schizophrenics.
Conclusions:
- Auditory processing, as measured by ART, is significantly impaired in schizophrenia.
- Increased distractibility is a notable characteristic of schizophrenia patients.
- ART does not appear to differ based on stimulus ear or sex within the schizophrenia group.