内側膝状体ニユーロンの音刺激に対する反応について

概要

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Unitary responses to tone stimuli obtained from the medial geniculate body were investigated in cats and the following results were obtained. 1)The unitsres ponding to tone stimuli were classified into 3 types.The first type showed a single spike or burst of spikes in response to the onset of tone stimulus.Thesecond type showed the response which consisted of asingle spike or a burst of spikes and a following silent period and then continuous firing.In the third type, theres- ponse was continuous firing with relatively long latency.The units of these types accounted for 86%, 6%and7%, respectively.2)Most units of the first type responded with a short latency of less than 20msec.In some of the rest, the latency of the response was more than 100msec.In the others, the latency was more than 100msec at high intensity, but less than 20msec at low infensity.3)In about 39% of the response areas obtained, eachshowed a single dip in its low intensity limit and in36%, two or more dips were observed.The remainder included many varieties.
社団法人日本耳鼻咽喉科学会の論文