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Clinical Trial Summary

Participants will complete 11 sessions. These include screening, 5 sessions where exercise or rest (according to group assignment) are paired with practice of a motor task, MRI and Transcranial Magnetic Stimulation (TMS) before and after the intervention will be used to assess neuroplasticity (ability for the brain to reorganize and create new connections).


Clinical Trial Description

All participants will complete baseline sessions: 1) sub-maximal exercise test to ensure safe participation in aerobic exercise (testing session [s] 1); and 2) magnetic resonance imaging (MRI) to assess brain structure and function, and 3) clinical assessments of motor function and activity. The MRI and clinical tests will be completed on s2. Between the exercise test and MRI sessions individuals will wear accelerometers for 3 days to index usual activity levels. A custom computer program will then assign participants quasi-randomly to either the rest or exercise groups stratified on age, sex, and baseline motor function. Cortical excitability will be assessed before and after either a single session of priming aerobic exercise, or rest, by group (s3). Next, priming exercise will be paired with skilled motor practice for 5 sessions (s4-8). Practice sessions will be separated by 48 hours. Importantly motor learning will be assessed via delayed, no-exercise retention tests 24-hours (s9) and 30-days (s11) after the last practice session. Activity levels (3 day accelerometry), TMS and MRI measures will be re-assessed after the second retention test (s10). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02980796
Study type Interventional
Source University of British Columbia
Contact Asha Toner, BSc
Phone 604-828-6303
Email asha.toner@ubc.ca
Status Recruiting
Phase N/A
Start date November 2016
Completion date August 2022

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