Construct · 1 fields · 1 citations

barrel: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaning·not indexed
barrel1 CONSTRUCTCortical barrelWOOLSEY · 1970

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Neuroscience

A cortical cluster mapping one whisker

In neuroscience the barrels are cylindrical clusters of neurons in layer IV of the rodent somatosensory cortex, each one receiving sensory input from a single facial whisker, so that the array of barrels forms a one-to-one cortical map of the array of whiskers. Woolsey and Van der Loos named and described them in their 1970 The structural organization of layer IV in the somatosensory region (SI) of mouse cerebral cortex, and the 'barrel cortex' has since become a workhorse model for cortical columns, maps and plasticity. The referent is a functional-anatomical unit of the brain, sharing only the word with a watch's mainspring barrel.[1]

Unit
A layer-IV neuron cluster mapping one whisker
Recovery means
Not applicable
Measured by
Identified histologically in cortical layer IV and mapped one-to-one to the whiskers

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Nearby constructs

array3 fields · 4 citationsjingle · one word, three constructsballistic2 fields · 2 citationsjingle · one word, two constructs

References

  1. Woolsey, T. A., & Van der Loos, H. (1970). The structural organization of layer IV in the somatosensory region (SI) of mouse cerebral cortex. Brain Research, 17(2), 205–242. https://doi.org/10.1016/0006-8993(70)90079-x

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