猫における球形嚢斑刺激および直線加速度刺激による大脳皮質反応について(微小電極法の応用による)

概要

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The cortical projections of the Saccule were lations on the Macula sacculi, and observation was eating linear acceleration. All the experiments were performed on cats, and the cortical responses were induced by the methode of microelectrodes as the form of unitary spike discharge. The results were as follows : 1) Responses to the mechanical stimulation on the Macula sacculi. Cortical evoked potentials were recorded from the anterior ectosylvian gyrus and the anterior descending limb of the suprasylvian gyrus of the contralateral side. 2) Responses to the electrical stimulation. Cortical evoked potentials and unitary spike discharges were observed on bilateral sides o anterior ectosylvian gyrus and on the anterior cending limb of the suprasylvian gyrus. The latency of the contralateral responses 3) Responses to the linear acceleration. Due to the stimulation(the repeated li acceleration at the directions of the axis of occipital and of the frontal axis) the frequen the spike discharge of the cortex was remarl increased. General conclusions drawn from these suggest the presence of the cortical projectic Saccule and that impulses from peripheral organs evoked by linear acceleration are prol transmitted to the cerebral cortex.
一般社団法人日本耳鼻咽喉科学会の論文