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Updated: Jul 16, 2026
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Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke
Published on: June 6, 2025
Right hemisphere stroke and the California Verbal Learning Test: a preliminary study
Anita S Halper1, Leora R Cherney
1Rehabilitation Institute of Chicago Academy, Department of Physical Medicine and Rehabilitation, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA.
Topics in Stroke Rehabilitation
|February 22, 2007
Summary
Patients with right hemisphere stroke show impaired verbal learning and recall. This suggests encoding deficits contribute to difficulties in word list memory tasks.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Clinical Neurology
Background:
- Unilateral right hemisphere stroke can impact cognitive functions.
- Understanding memory deficits is crucial for rehabilitation.
Purpose of the Study:
- To assess verbal learning and memory performance in patients with right hemisphere stroke.
- To identify specific patterns of recall and recognition deficits.
Main Methods:
- Examined group and individual performance in 52 patients with unilateral right hemisphere stroke.
- Utilized word list recall and recognition tasks, including the California Verbal Learning Test.
Main Results:
- Patients scored significantly below the normal population on immediate and delayed recall.
- Performance was below average across various recall tasks, with 67% showing improvement over learning trials.
Conclusions:
- Findings support the presence of encoding deficits in right hemisphere stroke patients.
- Reduced learning rates and inconsistent recall across trials characterize their memory performance.
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