psychophysical function

a psychometric relationship between a stimulus and judgments about the stimulus, as expressed in a mathematical formula. In the method of constant stimuli, it is the proportion of yes responses (i.e., that the stimuli were perceived) as a function of physical magnitude of the stimuli. Also called psychometric function.

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 9th 2024

Hering–Breuer reflex

a nervous mechanism involved in normal breathing, with stimuli from sensory endings in lung tissue limiting inspiration and expiration. [Ewald Hering; Josef Breuer]