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Colloquium Announcement on Apr. 15, 2019
W-Name Admin (IP: *.152.74.116) W-Date 2019-03-27 14:51 Hit 209

Cerebellar Plasticity in Response to Motor Learning Activities

Speaker: Prof. Im-Joo Rhyu (College of Medicine, Korea University)

Date: April 15, (Mon.), 2019

Time: 05:00 PM 

Location: Woo Jung Information & Communication bldg., Room 601

Hosted by Dept. of Brain & Cognitive Engineering, Korea University / Research Center for Brain and Artificial Intelligence, Korea University / Institute of Brain and Cognitive Engineering, Korea University / BK21+ Global Leader Development Division in Brain Engineering, Korea University / Interdisciplinary Major in Brain and Cognitive Science


The brain orchestrates our motor function with its specialized organs including motor cortex, striatum, cerebellum and spinal cord. Thanks to their integrative controls, we can plan, modulate and execute specific movements, which enable us to execute various activities. In other words, our motor activity is a reflection of our brain activities. 

I investigated brains of human and rodent to understand the plastic of brain response to motor activity. The brain of elite sportsmen in the field of basketball and short track skate were analyzed with MRI volumetry. The synapse of the cerebral motor cortex and cerebellum of acrobat trained rats were analyzed with transmission electron microscopy. 

The enlargement of vermin lobule including declive, folium and tuber (VI-VII) was observed in the basketball players and the short track skater group compared to control group. The right cerebellar hemisphere was larger the short track skater group. In addition, I can observe larger striatum volume in the basketball players. 

The increased number of synapse in the cerebellum and motor cortex after acrobat training and multiple synapse composed of one presynaptic terminal and two postsynaptic contacts is increased in the motor skill learned animals. 

These data show that motor activities and the related brain areas are influencing each other strongly. Therefore, we can modulate brain function through motor activities, which might be potential regimen to modulate our brain.

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