Abstract
Can Corticospinal Excitability Shed Light Into the Effects of Handedness on Motor Performance?
Highlights
Handedness is characterized as a lateral preference or advantage for one side of the body over the other when performing sensory or motor tasks (Cochet and Byrne, 2013)
Transcranial Magnetic Stimulation (TMS) elicits motor evoked potentials (MEP) in a target muscle when delivered over the primary motor cortex (M1)
We describe recent findings and suitable recommendations for a more in-depth analysis of how corticospinal excitability (CSE) has been used for evaluating neurophysiologic attributes of handedness
Summary
Handedness is characterized as a lateral preference or advantage for one side of the body over the other when performing sensory or motor tasks (Cochet and Byrne, 2013). Few studies observed different MEP responses between dominant and non-dominant cerebral hemispheres (Triggs et al, 1994; Matsunaga et al, 1998). We might speculate that asymmetries in the CSE between the dominant and non-dominant sides observed in precision tasks (Triggs et al, 1994) were due to the extent of neural networks recruitment.
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