Making if-then plans counteracts learned non-use in stroke patients: A proof-of-principle study
Michael K Marquardt1, Anna-Lisa Cohen2, Peter M Gollwitzer1,3
1Department of Psychology, University of Konstanz, Konstanz, Germany.
Restorative Neurology and Neuroscience
|October 7, 2017
Summary
Stroke survivors can improve paretic arm use by employing if-then plans. This self-regulation strategy helps overcome learned non-use, potentially enhancing hand function recovery after stroke.
Area of Science:
- Neurorehabilitation
- Cognitive Psychology
- Motor Control
Background:
- Learned non-use of the paretic arm is a significant barrier to functional recovery after stroke.
- Improving hand function in stroke survivors is crucial for daily living.
Purpose of the Study:
- To investigate if if-then plans can help stroke patients with central paresis utilize their affected arm more effectively.
- To determine if this self-regulation strategy can reduce the Simon effect, indicating improved executive control.
Main Methods:
- Seventeen stroke patients with mild to moderate hand paresis performed a Simon task.
- Participants used if-then plans to create new stimulus-response associations for the affected and non-affected arms.
Main Results:
- If-then plans significantly reduced or eliminated the Simon effect for the affected arm.
- A similar, though marginally significant, reduction in the Simon effect was observed for the non-affected arm.
Conclusions:
- If-then plans show promise as a strategy to combat learned non-use in stroke rehabilitation.
- This approach offers a potential new avenue for improving paretic arm function post-stroke.
