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Sensory fusion
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Sensory fusion The combining of drawing together of two images which fall on different points in the two retinas without changing the vergence of the two eyes.
SIMILAR TERMS--------------------------------------
Sensate focus
A term introduced by Masters and Johnson to refer to the procedure in sex therapy whereby each partner in turn explores the sensory responsivity of the other, especially through the sense of touch, as in fondling, and stopping short of penovaginal intercourse.
Sensipar
Sensipar is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): cinacalcet hydrochloride.
Sensitivity
1. The reciprocal of the minimum stimulus strength required for the stimulus to be detected reliably (1/threshold) May be related to noise and other mechanisms. 2. Physiologically measured sensitivity averaged over many stimulus/response cycles. A measure of gain. Noise free.
Sensitivity control
Adjustment of eye sensitivity to compensate for a change in illumination.
Sensitization
Potential recipients are "sensitized" if there are antibodies in their blood, usually because of pregnancy, blood transfusions or previous rejection of an organ transplant. Sensitization is measured by PRA. Highly sensitized patients are more likely to reject an organ transplant than unsensitized patients.
Sensorcaine
Sensorcaine is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): bupivacaine hydrochloride.
Sensors
A device, such as a photoelectric cell, that receives and responds to a signal or stimulus.
Sensory extinction
Failure to report sensory stimuli from one region if another region is stimulated simultaneously, even though when the region in question is stimulated by itself, the stimulus is correctly reported.
PREVIOUS AND NEXT TERMS--------------------------------------
Scotopic
Dim light conditions where only rods are functional.
Second-Order statistics
Captures differences in granularity and slope.
Second-Order motion mechanisms
Capture motion information from moving properties such as a moving are of flicker in which there is no difference in mean luminance between target and background.
Sensitivity
1. The reciprocal of the minimum stimulus strength required for the stimulus to be detected reliably (1/threshold) May be related to noise and other mechanisms. 2. Physiologically measured sensitivity averaged over many stimulus/response cycles. A measure of gain. Noise free.
Sensitivity control
Adjustment of eye sensitivity to compensate for a change in illumination.
Sensory fusion
Short-Sightedness
See Myopia.
Short-term visual store
Visual memory not affected by masking, not in anatomical coordinates, limited in capacity. Less is retained from complex images than simple images.
Silent substitution
If the action spectra of all photoreceptors types are known, spatial or temporal stimulus patterns can be designed which are invisible to some cone types while producing suprathreshold contrast for others. Thus one can study the range of psychophysical performance that is available for solely one type of cone signal.
Simple cells
One of three cell classifications for cells in the primary visual cortex (V1) proposed by Hubel & Wiesel. Simple cells show rectangular antagonistic on/off zones responding to bars of a particular orientations. They are described as a performing a linear filtering operation followed by a threshold nonlinearity. In a linear system the average response to a drifiting cosine grating will be a cosine at the same frequency. Because of the threshold, response to the negative half-cycles are suppressed.
Size constancy
The fact that the perception of the sizes of objects remains remarkably constant at varying distance despite the fact that the image projected on the retina changes.
SIMILAR TERMS--------------------------------------
Sensate focus
A term introduced by Masters and Johnson to refer to the procedure in sex therapy whereby each partner in turn explores the sensory responsivity of the other, especially through the sense of touch, as in fondling, and stopping short of penovaginal intercourse.
Sensipar
Sensipar is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): cinacalcet hydrochloride.
Sensitivity
1. The reciprocal of the minimum stimulus strength required for the stimulus to be detected reliably (1/threshold) May be related to noise and other mechanisms. 2. Physiologically measured sensitivity averaged over many stimulus/response cycles. A measure of gain. Noise free.
Sensitivity control
Adjustment of eye sensitivity to compensate for a change in illumination.
Sensitization
Potential recipients are "sensitized" if there are antibodies in their blood, usually because of pregnancy, blood transfusions or previous rejection of an organ transplant. Sensitization is measured by PRA. Highly sensitized patients are more likely to reject an organ transplant than unsensitized patients.
Sensorcaine
Sensorcaine is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): bupivacaine hydrochloride.
Sensors
A device, such as a photoelectric cell, that receives and responds to a signal or stimulus.
Sensory extinction
Failure to report sensory stimuli from one region if another region is stimulated simultaneously, even though when the region in question is stimulated by itself, the stimulus is correctly reported.
PREVIOUS AND NEXT TERMS--------------------------------------
Scotopic
Dim light conditions where only rods are functional.
Second-Order statistics
Captures differences in granularity and slope.
Second-Order motion mechanisms
Capture motion information from moving properties such as a moving are of flicker in which there is no difference in mean luminance between target and background.
Sensitivity
1. The reciprocal of the minimum stimulus strength required for the stimulus to be detected reliably (1/threshold) May be related to noise and other mechanisms. 2. Physiologically measured sensitivity averaged over many stimulus/response cycles. A measure of gain. Noise free.
Sensitivity control
Adjustment of eye sensitivity to compensate for a change in illumination.
Sensory fusion
Short-Sightedness
See Myopia.
Short-term visual store
Visual memory not affected by masking, not in anatomical coordinates, limited in capacity. Less is retained from complex images than simple images.
Silent substitution
If the action spectra of all photoreceptors types are known, spatial or temporal stimulus patterns can be designed which are invisible to some cone types while producing suprathreshold contrast for others. Thus one can study the range of psychophysical performance that is available for solely one type of cone signal.
Simple cells
One of three cell classifications for cells in the primary visual cortex (V1) proposed by Hubel & Wiesel. Simple cells show rectangular antagonistic on/off zones responding to bars of a particular orientations. They are described as a performing a linear filtering operation followed by a threshold nonlinearity. In a linear system the average response to a drifiting cosine grating will be a cosine at the same frequency. Because of the threshold, response to the negative half-cycles are suppressed.
Size constancy
The fact that the perception of the sizes of objects remains remarkably constant at varying distance despite the fact that the image projected on the retina changes.
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This dictionary contains 19186 terms.
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