Basal ganglia output to the thalamus: still a paradox.
Basal ganglia output to the thalamus: still a paradox.
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基底神经节输出到丘脑:仍然是悖论。
DOI:
10.1016/j.tins.2013.09.001
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发表时间:
2013-12
影响因子:
15.9
通讯作者:
Fee MS
中科院分区:
文献类型:
--
作者:
Goldberg JH;Farries MA;Fee MS
The basal ganglia (BG) recipient thalamus controls motor output but it remains unclear how its activity is regulated. Several studies report that thalamic activation occurs via disinhibition during pauses in the firing of inhibitory pallidal inputs from the BG. Other studies indicate that thalamic spiking is triggered by pallidal inputs via post-inhibitory ‘rebound’ calcium spikes. Finally excitatory cortical inputs can drive thalamic activity, which becomes entrained, or time-locked, to pallidal spikes. We present a unifying framework where these seemingly distinct results arise from a continuum of thalamic firing ‘modes’ controlled by excitatory inputs. We provide a mechanistic explanation for paradoxical pallidothalamic coactivations observed during behavior and raise new questions of what information is integrated in the thalamus to control behavior.
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影响因子:
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通讯作者:
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通讯作者:
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