V4

visual area 4, which in primates is located in the occipitotemporal cortex. Most neurons in V4 are sensitive to wavelength, and damage to a similar area in the human brain causes cerebral achromatopsia, a form of cortical color blindness (see achromatism).

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

July 27th 2024

trinucleotide repeat

a contiguous repetition of the same three nucleotides within a nucleic acid (DNA or RNA). The occurrence of extra trinucleotide repeats in certain genes causes dysfunction, inluding Huntington’s disease and fragile X syndrome.