psychophysics

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psychophysics

 [si″ko-fiz´iks]
scientific study of the quantitative relations between characteristics or patterns of physical stimuli and the sensations induced by them.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

psy·cho·phys·ics

(sī'kō-fiz'iks),
The science of the relation between the physical attributes of a stimulus and the measured, quantitative attributes of the mental perception of that stimulus (for example, the relationship between changes in decibel level and the corresponding changes in the human's perception of the sound).
Farlex Partner Medical Dictionary © Farlex 2012

psychophysics

(sī′kō-fĭz′ĭks)
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·cal adj.
psy′cho·phys′i·cal·ly adv.
psy′cho·phys′i·cist (-fĭz′ĭ-sĭst) n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

psy·cho·phys·ics

(sī'kō-fiz'iks)
The science of the relation between the physical attributes of a stimulus and the measured, quantitative attributes of the mental perception of that stimulus.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

psychophysics 

Branch of science that deals with the relationship between the physical stimuli and the sensory response. The measurements of thresholds (e.g. visual acuity, dark adaptation) or matching of stimuli (as in the spectral luminous efficiency curve) are examples of psychophysics. See experimental optometry.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann

psy·cho·phys·ics

(sī'kō-fiz'iks)
Science of relation between physical attributes of a stimulus and measured quantitative attributes of mental perception of that stimulus.
Medical Dictionary for the Dental Professions © Farlex 2012