achromatism

n. color blindness marked by the inability to perceive any color whatsoever: Everything is seen in different shades of gray. It is a congenital condition stemming from a lack of retinal cones. When acquired as a result of brain injury, it is called cerebral achromatopsia; the typical site of injury is the ventromedial occipital cortex of the brain (see V4). Also called achromatopsia. See also dichromatism; monochromatism; trichromatism.

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

November 17th 2024

clinical social work

a field devoted to providing individual, family, and group treatment from a psychosocial perspective in such areas as health, mental health, family and child welfare, and correction. Clinical social work also involves client-centered advocacy that assists clients with information and referral and in dealing with local, state, and federal agencies.