Rodent somatosensory-cortex regions {barrel field} can be for sensations from same-side whiskers (Thomas Woolsey and Hendrik van der Loos) [1975]. Neuron groups {barrel, neuron} can respond first for one whisker, respond later for nearby whiskers, and respond even later for farther whiskers. Barrels feed back to previous barrels. Thalamus also has barrel-like regions {barreloid}. Brain stem has barrel-like regions {barrelet}.
Passive signal reception has refractory periods, but active exploration has no refractory periods. Active exploration has priming.
Biological Sciences>Zoology>Organ>Nerve>Brain>Cerebrum
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Date Modified: 2022.0224