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Interference Effect of Prior Explicit Information on Motor Sequence Learning in Relapsing-Remitting Multiple
Nahid Zahiri1, Iraj Abollahi1, Seyed Massood Nabavi2
1Department of Physiotherapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.
The Malaysian Journal of Medical Sciences : MJMS
|April 7, 2017
Summary
Multiple sclerosis patients can learn new skills, but explicit information before practice hinders implicit learning. Providing general training information and end-session feedback is sufficient for motor-sequence learning in MS.
Area of Science:
- Neuroscience
- Motor Learning
- Rehabilitation
Background:
- Multiple sclerosis (MS) is a leading cause of neurological disability in young adults.
- Understanding motor-sequence learning in MS is crucial for effective rehabilitation.
Purpose of the Study:
- To investigate the impact of explicit information (EI) on motor-sequence learning in patients with relapsing-remitting MS (RRMS).
Main Methods:
- Thirty RRMS patients and 30 healthy controls participated.
- Participants were randomly assigned to explicit information (EI) or no-EI groups.
- A serial reaction time (SRT) task assessed motor learning, with a retention test after 48 hours.
Main Results:
- Both MS patients and controls improved reaction times during learning (p < 0.001).
- Significant interactions between group and time indicated differing learning trajectories between MS patients and controls.
- The main effect of group (MS vs. healthy) and explicit information (EI vs. no-EI) were significant (p < 0.001 and p < 0.001, respectively).
Conclusions:
- RRMS patients demonstrate capacity for new skill acquisition.
- Explicit information provided before physical practice negatively impacts implicit motor learning in MS.
- Optimal rehabilitation involves educating MS patients on training goals and providing feedback post-session.