Stroke in the right side of cerebrum have paralysis on opposite side /contralateral side of body beacsue movemnt and sensation of the one part of the body is controlled by their opposite side of the brain.Therefore, during cerebellar infarct or stroke ; the aterial obstructions causes the problems in delivery of blood and oxygen directly. Futher, causes deficit in motor and balance control can be seen in other side of body upon stroke in other side of hemisphere of brain .It occurs due to criss-cross wiring system in central nervous system.The nerve tract crosses one hemisphere of the brain to the contralateral sense organ and it occurs at the criss-cross point known as commissures or decussations.
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