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.

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).

psychophysics

/psy·cho·phys·ics/ (-fiz´iks) scientific study of quantitative relations between characteristics or patterns of physical stimuli and the sensations induced by them.

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.

psychophysics

[-fiz′iks]
Etymology: Gk, psyche + physikos, natural
the branch of psychology concerned with the relationships between physical stimuli and sensory responses.

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.

psychophysics

the study of the relationships between the subjectively perceived magnitude of sensations and their actual magnitude, particularly with regard to the ability to detect differences between stimuli of different magnitudes.

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.

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.
References in periodicals archive ?
Further studies of psychophysically determined maximum weights and forces.
For example, Loschky tested the psychophysically derived Yang et al.
This cautious approach stems in part from difficulty in validating psychophysically derived data.
The strongest argument for the use of psychophysically based guidelines has come from a small number of studies on subsequent injury risk.
1998) demonstrated that the use of a manipulator in self-paced tasks required hand forces that, on the basis of psychophysically derived limits, would be acceptable to most of the general population.
The effects of task duration on psychophysically determined maximum acceptable weights and forces.
The first goal was to determine whether the binocular disparity advantage that Regan and Beverley (1973a, 1973c) observed psychophysically would translate into a performance advantage once incorporated into a high-level task.

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