psychophysics (HyperDic hyper-dictionary)

English > 1 sense of the word *psychophysics*:
NOUN	cognition	psychophysics	the branch of psychology concerned with quantitative relations between physical stimuli and their psychological effects

English > *psychophysics*: 1 sense > noun 1, cognition
Meaning	The branch of psychology concerned with quantitative relations between physical stimuli and their psychological effects.
Category of	Fechner's law, Weber-Fechner law	(psychophysics) the concept that the magnitude of a subjective sensation increases proportional to the logarithm of the stimulus intensity
	Stevens' law, power law, Stevens' power law	(psychophysics) the concept that the magnitude of a subjective sensation increases proportional to a power of the stimulus intensity
	Weber's law	(psychophysics) the concept that a just-noticeable difference in a stimulus is proportional to the magnitude of the original stimulus
	just-noticeable difference, jnd	(psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected
Broader	experimental psychology, psychonomics	The branch of psychology that uses experimental methods to study psychological issues
Spanish	psicofísica
Catalan	psicofísica
Nouns	psychophysicist	a psychologist trained in psychophysics

HyperDic: psychophysics