hypercolumn

n. a repeating subdivision of striate cortex (primary visual cortex) that contains a full set of orientation columns and a pair of ocular dominance columns. Thus, the population of neurons in one hypercolumn includes those responsive to all orientations, as viewed through either eye. A hypercolumn occupies an area of about 1 mm² on the cortical surface.

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Psychology term of the day

May 8th 2024

care of young

a manifestation of parental behavior or alloparenting in animals, usually stimulated by hormonal and other physiological changes when in the presence of offspring. These include the secretion of prolactin, which induces broodiness and parental feeding of young in birds and milk production in mammals.