For normalized corticomotor excitability data, one-sample t-tests showed a trend for increased MEP amplitude in young adults (153.87 ± 106.30%; t 19 = 1.95, P adj = 0.067 Cohen’s d = 0.44) and an increase in MEP amplitude for older adults (185.43 ± 180.75%; t 48 = 2.91, t 28 = 2.21, P adj = 0.036, Cohen’s d = 0.41).
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Modulation of primary motor cortex after experimentally induced and use-dependent plasticity in young and older adults.
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