Find over 25,000 psychological definitions


central sulcus

a major cleft (see sulcus) that passes roughly vertically along the lateral surface of each cerebral hemisphere from a point beginning near the top of the cerebrum. It marks the border between the frontal lobe and the parietal lobe. Also called central fissure; fissure of Rolando; Rolandic fissure; Rolandic sulcus; sulcus centralis.

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 16th 2024

electrotonus

electrotonus

n. the change in the excitability, conductivity, or electrical status of a nerve or muscle following application of an electric current.