Neural circuits underlying motor facilitation during observation of implied motion

Carmen ConcertoDepartment of Interprofessional Health Sciences & Health Administration, School of Health and Medical Sciences, Seton Hall University, NJ, USA,

Mohomad Al SawahPre-clinical sciences, New York College of Podiatric Medicine, New York, USA,

Carmenrita InfortunaPre-clinical sciences, New York College of Podiatric Medicine, New York, USA,

David FreedbergDepartment of Art History Columbia University, and Italian Academy for Advanced Studies, Columbia University, New York, USA, and

Eileen ChusidPre-clinical sciences, New York College of Podiatric Medicine, New York, USA,

Eugenio AgugliaDepartment of Clinical and Experimental Medicine, Psychiatry Unit, University of Catania, Italy

Fortunato BattagliaDepartment of Interprofessional Health Sciences & Health Administration, School of Health and Medical Sciences, Seton Hall University, NJ, USA, Correspondence[email protected]

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Abstract

In the present study we used single and paired-pulse Transcranial Magnetic Stimulation (TMS) to evaluate the effect of implied motion on primary motor cortex microcircuits. We found that observation of the implied motion of a static image increases MEP amplitude and reduces short-interval intracortical inhibition (SICI), without significant modulation of intracortical facilitation and sensory-motor integration. Our results add to the existing literature on the activation of the observation-execution matching system and describe a selective modulation of GABAergic cortical microcircuits during observation of implied motion.

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Declaration of interest

The authors report no conflicts of interest.

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Neural circuits underlying motor facilitation during observation of implied motion

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Neural circuits underlying motor facilitation during observation of implied motion

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