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Dmax
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Dmax The largest displacement between successive presentations for which observers still obtain a coherent sense of motion. For larger steps the displaced object seems to disappear and then reappear at a different location. Increases with retinal eccentricity and is a function of the spatial frequencies in the image. Note that apparent motion can occur at distance much larger than Dmax.
RELATED TERMS--------------------------------------
Displacement
A defense mechanism, operating unconsciously, in which emotions, ideas, or wishes are transferred from their original object to a more acceptable substitute; often used to allay anxiety.
Retinal
Light-absorbing portion of rhodopsin. The absorption of light causes retinal to change from 11-cis to 11-trans configuration
Eccentricity
Angular distance of a point on the retina from the center of the fovea.
Dmax
The largest displacement between successive presentations for which observers still obtain a coherent sense of motion. For larger steps the displaced object seems to disappear and then reappear at a different location. Increases with retinal eccentricity and is a function of the spatial frequencies in the image. Note that apparent motion can occur at distance much larger than Dmax.
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Doula
A person specially trained to help during labor and after the birth of ababy. Might help a new mother breastfeed or cook, clean, and care for olderchildren.
DTaP vaccine
An immunization that protects against diphtheria, tetanus, and pertussis(whooping cough), given as a series of injections beginning at 2 months.The DTaP is a newer version of the DTP vaccine, and is less likely to haveside effects.
DTP vaccine
An immunization that protects against diphtheria, tetanus, and pertussis(whooping cough). Given as a series of five injections beginning at 2 months.
Due date
The date, set by a doctor or midwife and based on the first day of a woman's last menstruation, when a baby's birth is expected. Because the date-setting is not an exact science, the medical term for due date is EDD, or Expected Due Date.
Dystocia
When labor does not progress. Uterine dystocia is when contractions donot intensify; shoulder dystocia is when a baby's
Dmax
Dark light
Rods spontaneously produce a signal that is indistinguishable from a photon elicited event even in complete darkness about once every 160 msec.
Degree of convergence
The angle of inclination of the two eyes used in depth perception
Delayed match-to-sample
Subject is shown a stimulus and then after a delay is required to choose the same stimulus from a number of stimuli to obtain reward.
Depth capture
Objects in an image with no apparent depth information can be captured by surrounding surfaces which do contain depth information.
Diaplopia
Double vision.
RELATED TERMS--------------------------------------
Displacement
A defense mechanism, operating unconsciously, in which emotions, ideas, or wishes are transferred from their original object to a more acceptable substitute; often used to allay anxiety.
Retinal
Light-absorbing portion of rhodopsin. The absorption of light causes retinal to change from 11-cis to 11-trans configuration
Eccentricity
Angular distance of a point on the retina from the center of the fovea.
Dmax
The largest displacement between successive presentations for which observers still obtain a coherent sense of motion. For larger steps the displaced object seems to disappear and then reappear at a different location. Increases with retinal eccentricity and is a function of the spatial frequencies in the image. Note that apparent motion can occur at distance much larger than Dmax.
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Doula
A person specially trained to help during labor and after the birth of ababy. Might help a new mother breastfeed or cook, clean, and care for olderchildren.
DTaP vaccine
An immunization that protects against diphtheria, tetanus, and pertussis(whooping cough), given as a series of injections beginning at 2 months.The DTaP is a newer version of the DTP vaccine, and is less likely to haveside effects.
DTP vaccine
An immunization that protects against diphtheria, tetanus, and pertussis(whooping cough). Given as a series of five injections beginning at 2 months.
Due date
The date, set by a doctor or midwife and based on the first day of a woman's last menstruation, when a baby's birth is expected. Because the date-setting is not an exact science, the medical term for due date is EDD, or Expected Due Date.
Dystocia
When labor does not progress. Uterine dystocia is when contractions donot intensify; shoulder dystocia is when a baby's
Dmax
Dark light
Rods spontaneously produce a signal that is indistinguishable from a photon elicited event even in complete darkness about once every 160 msec.
Degree of convergence
The angle of inclination of the two eyes used in depth perception
Delayed match-to-sample
Subject is shown a stimulus and then after a delay is required to choose the same stimulus from a number of stimuli to obtain reward.
Depth capture
Objects in an image with no apparent depth information can be captured by surrounding surfaces which do contain depth information.
Diaplopia
Double vision.
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This dictionary contains 19186 terms.
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