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Cognitive intervention in Alzheimer disease: a randomized placebo-controlled study.
R N Davis1, P J Massman, R S Doody
1Department of Psychology, University of Houston, Texas 77204-5341, USA. robnd@uh.edu
Alzheimer Disease and Associated Disorders
|March 10, 2001
Summary
This study found that cognitive interventions for Alzheimer disease (AD) improved personal information recall and attention but did not enhance overall cognitive function or quality of life.
Area of Science:
- Neurology
- Cognitive Psychology
- Gerontology
Background:
- Alzheimer disease (AD) is a progressive neurodegenerative disorder impacting memory and cognition.
- Cognitive interventions are explored to mitigate AD symptoms and improve patient outcomes.
- The efficacy of specific cognitive training strategies in AD populations requires further investigation.
Purpose of the Study:
- To evaluate the efficacy of a cognitive intervention program in patients with probable Alzheimer disease (AD).
- To assess the impact of face-name association training, spaced retrieval, and cognitive stimulation on cognitive functions and quality of life in AD patients.
Main Methods:
- A randomized controlled trial involving 37 patients with probable AD.
- Intervention group received 5 weeks of cognitive training; control group received a placebo intervention, followed by crossover.
- Cognitive assessments included personal information recall, face-name recall, and the Verbal Series Attention Test.
Main Results:
- Patients with AD demonstrated significant improvements in personal information recall and face-name recall.
- Performance on the Verbal Series Attention Test significantly improved post-intervention.
- No significant generalization of improvement was observed in other neuropsychological measures or caregiver-assessed quality of life.
Conclusions:
- Cognitive interventions, including face-name training and spaced retrieval, may yield modest improvements in specific learning and attention tasks for AD patients.
- These cognitive gains do not appear to generalize to broader neuropsychological functioning or significantly impact overall patient quality of life.
- Further research is needed to develop more comprehensive interventions that target a wider range of cognitive domains and improve quality of life in Alzheimer disease.