Barrel cortex function
Dirk Feldmeyer,Michael Brecht,Fritjof Helmchen,Carl C.H. Petersen,James F.A. Poulet,Jochen F. Staiger,Heiko J. Luhmann,Cornelius Schwarz +7 more
TL;DR: It is argued that in order to understand neocortical function one needs to combine a microscopic view, elucidating the workings of the local columnar microcircuits, with a macroscopic view, which keeps track of the linkage of distant cortical modules in different behavioral contexts.
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About: This article is published in Progress in Neurobiology. The article was published on 01 Apr 2013. and is currently open access. The article focuses on the topics: Barrel cortex & Cortical column.
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References
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Short-Term Depression at Thalamocortical Synapses Contributes to Rapid Adaptation of Cortical Sensory Responses In Vivo
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Long-range neuronal circuits underlying the interaction between sensory and motor cortex.
TL;DR: Channelrhodopsin-2 (ChR2) expression is used, combined with anterograde and retrograde labeling, to map connections between barrel cortex and pyramidal neurons in mouse motor cortex, finding that barrel cortex axons preferentially targeted upper layer neurons in motor cortex; input to neurons projecting back to barrel cortex was particularly strong.
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Neural Activity in Barrel Cortex Underlying Vibrissa-Based Object Localization in Mice
TL;DR: In this paper, the authors recorded from neurons selected independent of spiking, using cell-attached recordings and two-photon calcium imaging, in the barrel cortex of mice performing an object localization task.
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Visualizing the Cortical Representation of Whisker Touch: Voltage-Sensitive Dye Imaging in Freely Moving Mice
TL;DR: These experiments demonstrate that fiber optics can be used to image cortical sensory activity with high resolution in freely moving animals and demonstrate differential processing of sensory input depending upon behavior.
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