Find over 25,000 psychological definitions


tonus

n. a continuous, slight stretching tension or contraction in muscles when they are at rest. For example, the jaw muscles exhibit tonus when not used for eating or talking. Tonus serves to keep the muscles ready for action. See also tonic.

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

May 8th 2024

Society for Research in Child Development (SRCD)

Sorry, "society-for-research-in-child-development-srcd" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.