Navigational path integration by cortical neurons: origins in higher-order direction selectivity.
Navigational path integration by cortical neurons: origins in higher-order direction selectivity.
复制标题
皮质神经元的导航路径整合:高阶方向选择性的起源。
DOI:
10.1152/jn.00197.2014
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发表时间:
2015
影响因子:
2.5
通讯作者:
Duffy,CharlesJ
中科院分区:
文献类型:
--
作者:
Page,WilliamK;Sato,Nobuya;Froehler,MichaelT;Vaughn,William;Duffy,CharlesJ
Navigation relies on the neural processing of sensory cues about observer self-movement and spatial location. Neurons in macaque dorsal medial superior temporal cortex (MSTd) respond to visual and vestibular self-movement cues, potentially contributing to navigation and orientation. We moved monkeys on circular paths around a room while recording the activity of MSTd neurons. MSTd neurons show a variety of sensitivities to the monkey's heading direction, circular path through the room, and place in the room. Changing visual cues alters the relative prevalence of those response properties. Disrupting the continuity of self-movement paths through the environment disrupts path selectivity in a manner linked to the time course of single neuron responses. We hypothesize that sensory cues interact with the spatial and temporal integrative properties of MSTd neurons to derive path selectivity for navigational path integration supporting spatial orientation.
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DOI:
--
发表时间:
1977
期刊:
Journal of the Reticuloendothelial Society
影响因子:
--
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DOI:
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1982
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