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).

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Psychology term of the day

November 17th 2024

identity diffusion

1. lack of stability or focus in the view of the self or in any of the elements of an individual’s identity. It is common especially in borderline personality disorder.

2. in the ego psychology of Erik Erikson, a possible outcome of the identity versus identity confusion stage; whereby the individual emerges with an uncertain sense of identity and confusion about his or her wishes, attitudes, and goals. See also identity status model.