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n. (used with a sing. verb)
The branch of psychology that deals with the relationships between physical stimuli and sensory response.
psy′cho·phys′i·cist (-fĭz′ĭ-sĭst) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Psychology) (functioning as singular) the branch of psychology concerned with the relationship between physical stimuli and the effects they produce in the mind
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
psy•cho•phys•ics(ˌsaɪ koʊˈfɪz ɪks)
n. (used with a sing. v.)
the branch of psychology that deals with the relationships between physical stimuli and resulting sensations and mental states.
psy`cho•phys′i•cal (-ɪ kəl) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
the branch of psychology that studies the relationships between physical stimuli and resulting sensations and mental states. — psychophysicist, n. — psychophysie, psychophysical, adj.See also: Psychology
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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|Noun||1.||psychophysics - the branch of psychology concerned with quantitative relations between physical stimuli and their psychological effects|
jnd, just-noticeable difference - (psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected
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; based on early work by E. H. Weber
power law, Stevens' 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; "Weber's law explains why you don't notice your headlights are on in the daytime"
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