Author:
TELLER DAVIDA Y.,CIVAN ANDREA,BRONSON-CASTAIN KEVIN
Abstract
In the present work, we explore the perceptual bases of infants'
spontaneous looking preferences among isoluminant chromatic stimuli
(Bornstein, 1975). Three experiments were
conducted. In Experiment 1, adult subjects made brightness matches
between a white standard and each of six isoluminant chromatic stimuli.
The classic variations of brightness with chromaticity were found. In
Experiment 2, 12-week-old infants' spontaneous looking preferences
were measured for white lights of different luminances. Preference
increased with increasing luminance, suggesting that brightness
differences are sufficient to create looking preferences among
isochromatic stimuli. In Experiment 3, infants' preferences were
tested for each of the six chromatic stimuli paired against white, at
both isoluminance and (adult) isobrightness. All chromatic stimuli were
preferred to white, and the pattern of preferences was similar for both
isoluminance and isobrightness conditions. It is concluded that hue
and/or saturation, rather than brightness, control infants'
spontaneous looking preferences among chromatic stimuli.
Publisher
Cambridge University Press (CUP)
Subject
Sensory Systems,Physiology
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