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Spatial memory and perception in stroke patients: the importance of order effects
The British Journal of Clinical Psychology
|September 1, 1987
Summary
Left CVA patients outperformed right CVA patients on spatial tasks. Right CVA patients performed worse when the recognition task preceded the matching task, indicating lesion location impacts spatial cognition.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neurology
Background:
- Cerebrovascular accident (CVA) can lead to cognitive deficits.
- Spatial cognition is crucial for daily functioning.
- Understanding hemispheric differences in CVA patients is important for rehabilitation.
Purpose of the Study:
- To compare the spatial matching and recognition performance of left and right CVA patients.
- To investigate the effect of task order presentation on performance.
- To explore the clinical implications of lesion location on spatial cognition.
Main Methods:
- Comparison of performance between left and right CVA patient groups.
- Utilized two spatial tasks: spatial matching and spatial recognition.
- Examined the impact of task presentation order (matching first vs. recognition first).
Main Results:
- All participants performed better on spatial matching than spatial recognition tasks.
- Left CVA patients achieved higher scores than right CVA patients on both tasks.
- A significant interaction showed right CVA patients performed particularly poorly when the recognition task was presented first.
Conclusions:
- Left hemisphere CVA is associated with better spatial task performance compared to right hemisphere CVA.
- Task order significantly impacts performance, especially for right CVA patients.
- Findings highlight the importance of considering lesion location and task difficulty in assessing and treating spatial deficits post-CVA.