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Updated: Jul 30, 2026
11:01
Examining the Characteristics of Episodic Memory using Event-related Potentials in Patients with Alzheimer's Disease
Published on: August 30, 2011
Procedural memory in patients with mild Alzheimer's disease
1Department of Clinical Neurosciences, Hyogo Institute for Aging Brain and Cognitive Disorders, Himeji, Japan.
Dementia and Geriatric Cognitive Disorders
|July 1, 1997
Summary
Mild Alzheimer's disease (AD) patients can learn new motor, perceptual, and cognitive skills, similar to healthy individuals. Motor skill learning remains intact even when cognitive functions decline.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neurology
Background:
- Alzheimer's disease (AD) is a progressive neurodegenerative disorder.
- Cognitive decline, particularly in memory, is a hallmark of AD.
- The impact of AD on various types of skill learning is not fully understood.
Purpose of the Study:
- To compare motor, perceptual, and cognitive skill learning in patients with mild Alzheimer's disease (AD) against matched controls.
- To investigate whether specific skill domains are differentially affected by mild AD.
- To explore the relationship between procedural skill learning and declarative memory in AD.
Main Methods:
- Inclusion of mild AD patients and sex-, age-, and education-matched healthy controls.
- Exclusion of participants unable to meet predetermined performance criteria for skill learning tasks.
- Assessment of motor, perceptual, and cognitive skill acquisition in all participants.
Main Results:
- Patients with mild AD who completed the tasks demonstrated skill learning abilities comparable to controls.
- Motor skill learning was achievable by all participating AD patients.
- Some AD patients with more severe cognitive impairment (but not declarative memory) failed perceptual and cognitive skill tasks.
Conclusions:
- Mild Alzheimer's disease (AD) patients retain the capacity for acquiring motor, perceptual, and cognitive skills.
- Motor skill learning appears to be preserved in early-stage AD.
- The neural systems for procedural skill learning may be distinct from those supporting declarative memory in AD.
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