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Modifiability of neuropsychological dysfunction in schizophrenia
L M Tompkins1, R S Goldman, B N Axelrod
1Department of Veterans Affairs Medical Center, Ann Arbor, Michigan, USA.
Biological Psychiatry
|July 15, 1995
Summary
Cognitive dysfunction in schizophrenia showed some improvement with instructional cues, indicating neurobehavioral plasticity. This study explored modifying cognitive deficits in schizophrenia patients.
Area of Science:
- Neuroscience
- Psychiatry
- Cognitive Psychology
Background:
- Schizophrenia is frequently associated with impaired neuropsychological functioning, particularly in areas reliant on frontal and temporohippocampal functions.
- The potential for modifying cognitive dysfunction in individuals with schizophrenia remains an area requiring further investigation.
Purpose of the Study:
- To investigate the extent to which cognitive dysfunction in schizophrenia can be modified using instructional cues.
- To compare the effects of cued versus standard neuropsychological testing on cognitive performance in schizophrenic patients.
Main Methods:
- Twenty-four inpatient schizophrenics and 24 matched inpatient mood-disordered controls were studied.
- Participants were randomly assigned to either a cued condition (receiving instructional cues) or a standard condition (no cues).
- Neuropsychological measures assessed visual and semantic memory, executive function, and constructional ability.
Main Results:
- The study observed a degree of plasticity in neurobehavioral function within the schizophrenia group.
- Performance differences between the cued and standard conditions suggest that instructional cues can impact cognitive task performance.
Conclusions:
- The findings suggest that cognitive functions in schizophrenia may be amenable to modification through specific interventions like instructional cues.
- This indicates a degree of neurobehavioral plasticity, offering potential avenues for cognitive remediation strategies in schizophrenia.