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Sheng Li Xue Bao. 1993 Feb;45(1):75-82.

[A study on the effect of stimulation of amygdaloid complex on the electrical response of auditory cortex in rabbits].

[Article in Chinese]

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Brain Function Research Laboratory, East China Normal University, Shanghai.


Experiments were performed on 40 adult rabbits immobilized with Flaxedil. The effect of stimulation of amygdaloid complex on the click evoked potential of Woolsey's AI, AII and the auditory cortex behind the rhinal sulcus (ACBRS) was examined by single unit analysis. The results showed that stimulation of lateral nucleus and basal nucleus of amygdala could induce either a facilitory or an inhibitory effect on the evoked potential and the unit discharges. The latency of the inhibitory effect was about 10-25ms, and lasted for 20-115ms. A facilitory effect with a latency as short as 2ms was also observed in one animal. The experimental results indicate that the effect of amygdaloid complex stimulation as transmitted through polysynaptic circuit while the facilitatory effect was monosynaptic. The functional significance of the amygdaloid effect was discussed.

[Indexed for MEDLINE]

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