EARLY VISUAL DEPRIVATION ALTERS MODALITY OF NEURONAL RESPONSES IN AREA-19 OF MONKEY CORTEX
EARLY VISUAL DEPRIVATION ALTERS MODALITY OF NEURONAL RESPONSES IN AREA-19 OF MONKEY CORTEX
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DOI：
10.1016/0304-3940(81)90139-7
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发表时间：
1981-01-01
影响因子：
2.5
通讯作者：
HYVARINEN, L
中科院分区：
文献类型：
--
作者：
HYVARINEN, J;CARLSON, S;HYVARINEN, L
猴子[M.在出生后第一年因眼睑缝合而丧失视力的[speciosa]，在睁开眼睛后表现为功能性失明，但在熟悉的环境中使用躯体感觉线索积极活动。多个单位活动的微电极记录在关联的视觉皮层区19剥夺猴子表明，20%的神经元组的研究只在积极的躯体探索。在正常的动物中，所有的神经元组都只研究对视觉刺激的反应，但在被剥夺的动物中，只有40%的神经元组这样做。视觉剥夺改变了视觉联合皮层的突触通路，提高了这些输入的效率，这些输入可以介导躯体信息到这个区域。
Monkeys [M. speciosa] deprived of vision during the 1st year of life by lid suture appear functionally blind after the opening of the eyes, but move actively in familiar surroundings using somesthetic cues. Microelectrode recordings of multiple unit activity in the associative visual cortical area 19 of deprived monkeys indicated that 20% of the neuron groups studies responded only during active somatic exploration. In normal animals all neuron groups studied responses exclusively to visual stimuli, but in the deprived animals only 40% of them did. Visual deprivation alters the synaptic pathways to visual associative cortex enhancing the efficiency of those inputs that can mediate somatic information to this region.