Effects of Feedback on Learning of a Motor Sequence Task and Resting State Connectivity
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Adult
- Sponsor
- University of South Carolina
- Enrollment
- 33
- Locations
- 1
- Primary Endpoint
- Response Time
- Status
- Completed
- Last Updated
- 4 years ago
Overview
Brief Summary
Feedback delivered during motor practice can help promote motor skill learning, enhance confidence, and alter brain connectivity. However, the optimal way to provide feedback to promote learning, confidence and brain connectivity is unknown. This project will study how the feedback that is provided during practice of a movement skill can help people learn and build confidence and whether these correspond to changes in brain function. The investigators will measure motor skill performance, confidence, and resting state brain connectivity before and after a session of motor practice.
Detailed Description
Positive social comparative feedback, which indicate to the learner that they are performing above average, is one way to enhance a learner's expectancies about future performance. Expectancies include the learners' perceived competence about their ability to perform the task, expectations about task outcome (success or failure), and predictions of extrinsic reward or positive experiences related to performance. Positive feedback during motor practice enhances expectancies, which is hypothesized to be rewarding to the learner, leading to better skill performance and learning. Reward is a powerful shaper of behavior. However, while social comparative feedback supports motor skill learning, it is unclear whether positive social comparative feedback induces a response in the dopamine reward network. Therefore, the purpose of this study is to determine the effects of social comparative feedback during motor practice on the functional connectivity of the reward neural network. The study aims to recruit 40 participants who will be randomized into 1 of 2 feedback groups (performance feedback or performance plus positive feedback). Participants will practice a motor sequence task on a single day and then return for retention performance testing about 24 hours later. Measures of brain function and brain structure will be collected before and after practice on day 1. Changes in performance (response time to complete a sequence) and self-efficacy will be measured from baseline to 24 hours later at retention. Changes in brain functional connectivity over practice on day 1 will be assessed in the reward network and the motor network.
Investigators
Jill Stewart, PT, PhD
Associate Professor
University of South Carolina
Eligibility Criteria
Inclusion Criteria
- •Age 18 to 40 years
- •Right-hand dominant
Exclusion Criteria
- •Medical diagnosis or medication that affects dopamine (e.g. dopamine reuptake inhibitors)
- •Musculoskeletal issues that limit upper extremity movement
- •Contraindications for magnetic resonance imaging (MRI)
Outcomes
Primary Outcomes
Response Time
Time Frame: Change from baseline to retention at 24 hours
Time to complete one sequence
Task Confidence
Time Frame: Change from baseline to retention at 24 hours
Self-reported confidence in ability to complete a sequence in a given time on a scale of 0 to 10 with a 10 equating to higher confidence
Brain Connectivity
Time Frame: Change from baseline to immediately after practice
Resting state connectivity between pairs of brain regions
Secondary Outcomes
- Perceived Competence(Change from baseline to immediately after practice)
- Peak Velocity(Change from baseline to immediately after practice)
- Total Path Distance(Change from baseline to immediately after practice)
- Time to Peak Velocity(Change from baseline to immediately after practice)
- Positive Affect(Change from baseline to immediately after practice)
- Task Confidence(Change from baseline to immediately after practice)
- Perceived Interest/Enjoyment(Change from baseline to immediately after practice)
- Response Time(Change from baseline to immediately after practice)
- Brain Structure(Baseline assessment)