Deficits of spatial working memory in chronic schizophrenia

Area of Science:

• Neuroscience
• Cognitive Psychology

Background:

• Schizophrenia is often associated with cognitive deficits.
• Spatial working memory is crucial for daily functioning.

Purpose of the Study:

• To investigate if spatial working memory deficits are an inherent trait in schizophrenia.
• To determine if clinical status influences these deficits.

Main Methods:

• Two tasks assessing spatial working memory were administered to chronic schizophrenic patients, patients in remission, and normal controls.
• Task A involved tracking and reproducing a square outline.
• Task B involved tracking and reproducing sequential corners of a square.

Main Results:

• Chronic schizophrenic patients showed significant spatial working memory distortions compared to controls.
• Distortions were more pronounced in Task A than Task B for chronic patients.
• Schizophrenic patients in remission performed comparably to normal controls on both tasks.

Conclusions:

• Chronic schizophrenia is associated with significant spatial working memory deficits.
• These deficits are not immutable and can be improved with cognitive interventions.
• Spatial working memory deficits may not be an inherent trait in all schizophrenia patients.