Seeing and Perceiving 23 (2010) 517–532 brill.nl/sp The Effect of Displacement on Sensitivity to First- and Second-Order Global Motion in 5-year-olds and Adults D. Ellemberg 1 , 2 , ∗ , T. L. Lewis 3 , D. Maurer 3 , B. Lee 3 , T. Ledgeway 4 , J.-P. Guilemot 5 , 2 and F. Lepore 6 , 2 1 Department of Kinesiology, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, Québec, Canada H3C 3J7 2 Centre de Recherche En Neuropsychologie Et Cognition (CERNEC), Quebec, Canada 3 Department of Psychology, Neuroscience & Behaviour, McMaster University, Ontario, Canada 4 School of Psychology, University of Nottingham, UK 5 Department of Kinanthropology, UQAM, Canada 6 Department of Psychology, Université de Montréal, Quebec, Canada Received 27 August 2009; accepted 3 September 2010 Abstract We compared the development of sensitivity to first- versus second-order global motion in 5-year-olds ( n = 24) and adults ( n = 24) tested at three displacements (0.1, 0.5 and 1.0 ◦ ). Sensitivity was measured with Random–Gabor Kinematograms (RGKs) formed with luminance-modulated (first-order) or contrast- modulated (second-order) concentric Gabor patterns. Five-year-olds were less sensitive than adults to the direction of both first- and second-order global motion at
Seeing and Perceiving (continuation of Spatial Vision from 2010 and continued as Multisensory Research from 2013) – Brill
Published: Jan 1, 2010
Keywords: VISUAL DEVELOPMENT; ADULTS; SECOND-ORDER MOTION; DISPLACEMENT; FIRST-ORDER MOTION; RANDOM–GABOR KINEMATOGRAMS; GLOBAL MOTION; CHILDREN
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