The Brain & Neural Networks
Online ISSN : 1883-0455
Print ISSN : 1340-766X
ISSN-L : 1340-766X
Optical Recording of Classical Conditioning Induced Plastic Changes in the Auditory Cortex
Takashi MiyazakiRie SuzukiGuy SandnerMinoru TsukadaYuichiro Anzai
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2005 Volume 12 Issue 1 Pages 32-38

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Abstract
Classical conditioning induced map plasticity in the adult sensory cortex has not been well investigated. In this study, we used voltage sensitive optical recording method to study map changes in the auditory cortex induced by fear conditioning with parining of sound and electric shock. From pair-conditioned group and pseudoconditioned group, the responses were recorded both before and after the conditioning. The result shows that after conditioning, only the response area to CS sound in the pair-condtioned group was increased. This suggests that many neurons in the auditory cortex exhibit a rapid tuning to the CS sound by the fear conditioning.
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© 2005 Japanese Neural Network Society
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