A somatotopic map of vibrissa motion direction within a barrel column

A somatotopic map of vibrissa motion direction within a barrel column. Andermann, M. L & Moore, C. I Nature Neuroscience, 9(4):543–551, April, 2006.

Paper doi abstract bibtex

Most mammals possess high-resolution visual perception, with primary visual cortices containing fine-scale, inter-related feature representations (for example, orientation and ocular dominance). Rats lack precise vision, but their vibrissa sensory system provides a precise tactile modality, including vibrissa-related 'barrel' columns in primary somatosensory cortex. Here, we examined the subcolumnar organization of direction preference and somatotopy using a new omni-directional, multi-vibrissa stimulator. We discovered a direction map that was systematically linked to somatotopy, such that neurons were tuned for motion toward their preferred surround vibrissa. This sub-barrel column direction map demonstrated an emergent refinement from layer IV to layer II/III. These data suggest that joint processing of multiple sensory features is a common property of high-resolution sensory systems.

@article{andermann_somatotopic_2006,
	title = {A somatotopic map of vibrissa motion direction within a barrel column},
	volume = {9},
	issn = {1097-6256, 1546-1726},
	url = {http://www.nature.com/articles/nn1671},
	doi = {10.1038/nn1671},
	abstract = {Most mammals possess high-resolution visual perception, with primary visual cortices containing fine-scale, inter-related feature representations (for example, orientation and ocular dominance). Rats lack precise vision, but their vibrissa sensory system provides a precise tactile modality, including vibrissa-related 'barrel' columns in primary somatosensory cortex. Here, we examined the subcolumnar organization of direction preference and somatotopy using a new omni-directional, multi-vibrissa stimulator. We discovered a direction map that was systematically linked to somatotopy, such that neurons were tuned for motion toward their preferred surround vibrissa. This sub-barrel column direction map demonstrated an emergent refinement from layer IV to layer II/III. These data suggest that joint processing of multiple sensory features is a common property of high-resolution sensory systems.},
	language = {en},
	number = {4},
	urldate = {2020-03-16},
	journal = {Nature Neuroscience},
	author = {Andermann, Mark L and Moore, Christopher I},
	month = apr,
	year = {2006},
	pages = {543--551}
}

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