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TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT END:VTIMEZONE BEGIN:VEVENT UID:1d60d2ecf553554b9365b14344fb7fdb CATEGORIES:Human and computer vision series:Fall 2010 CREATED:20151203T141542 SUMMARY:Infant Contrast Sensitivity: a critical immaturity in infant visual sensory processing. LOCATION:Ohio State University\, College of Optometry DESCRIPTION:\nInfant visual sensory processing is immature in many ways, but there are two immaturities that critically limit infant visual performance. One is t he anatomical immaturity of the infant fovea, and the other is the very low level of infant contrast sensitivity. In this talk, I will review the psy chophysical evidence that these limitations are critical. This will includ e evidence that infant color vision, Vernier acuity, and stereopsis are all close to the adult values, once the contrast sensitivity difference betwee n infants and adults is taken into account. Next, I will present psychophy sical evidence that infant contrast sensitivity is low because of very larg e amounts of linear sensory noise in the ascending visual pathway. Particu larly, I will present evidence that infant psychophysical visual performanc e is not limited by infant inattention. Finally, I will describe a new cli nical test that will allow the eye doctor to determine, in a single measure ment, the level of contrast sensitivity of an infant patient.\nBackground R eading:\nContrast Insensitivity: The Critical Immaturity in Infant Visual Performance \n\nhttp://ruccs.rutgers.edu/tempdocs/Perspectives4VelmaPUBLISH ED.pdf\n\n X-ALT-DESC;FMTTYPE=text/html:
Infant visual sensory processing is immature in many ways, but there
are two immaturities that critically limit infant visual performance. 
; One is the anatomical immaturity of the infant fovea, and the other is th
e very low level of infant contrast sensitivity. In this talk, I will
review the psychophysical evidence that these limitations are critical.&nb
sp; This will include evidence that infant color vision, Vernier acuity, an
d stereopsis are all close to the adult values, once the contrast sensitivi
ty difference between infants and adults is taken into account. Next,
I will present psychophysical evidence that infant contrast sensitivity is
low because of very large amounts of linear sensory noise in the ascending
visual pathway. Particularly, I will present evidence that infant ps
ychophysical visual performance is not limited by infant inattention.
Finally, I will describe a new clinical test that will allow the eye docto
r to determine, in a single measurement, the level of contrast sensitivity
of an infant patient.
Background Reading:
Contrast Insensitivity: The Critical Immaturity in Infant Visual P erformance
http://ruccs.rutgers.edu/tempdocs/Perspectives4
VelmaPUBLISHED.pdf