Annette Milnik, Isabella Nowak and Notger G. Müller Attention-dependent modulation of neural activity in primary sensorimotor cortex Brain and Behavior 3
Although motor tasks at most times do not require much attention, there are findings that attention can alter neuronal activity not only in higher motor areas but also within the primary sensorimotor cortex. We found that distraction reduced neuronal activity in both contra- and ipsilateral primary sensorimotor cortex when the nondominant hand was tapping in both handedness groups. We conclude that difficulty and training status of both the motor and the distraction task, as well as usage of the dominant versus the nondominant hand, are crucial for the presence and magnitude of attention effects on sensorimotor cortex activity.
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