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RESEARCH ARTICLE

Context-Dependent Learning in People With Parkinson's Disease

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Pages 240-248 | Received 08 Jan 2015, Accepted 08 Aug 2015, Published online: 16 Sep 2015
 

ABSTRACT

Context-dependent learning is a phenomenon in which people demonstrate superior performance in the context in which they originally learned a skill but perform less well in a novel context. This study investigated context-dependent learning in people with Parkinson's disease (PD) and age-matched nondisabled adults. All participants practiced 3 finger sequences, each embedded within a unique context (colors and locations on a computer screen). One day after practice, the participants were tested either under the sequence-context associations remained the same as during practice, or the sequence-context associations were changed (SWITCH). Compared with nondisabled adults, people with PD demonstrated significantly greater decrement in performance (especially movement time) under the SWITCH condition, suggesting that individuals with PD are more context dependent than nondisabled adults.

FUNDING

This study was supported by the Team Parkinson and The Parkinson Alliance foundation.

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