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Direct linkMontey, Karen L.; Eaton, Nicolette C.; Quinlan, Elizabeth M. – Learning & Memory, 2013
Severe amblyopia, characterized by a significant reduction in visual acuity through the affected eye, is highly resistant to reversal in adulthood. We have previously shown that synaptic plasticity can be reactivated in the adult rat visual cortex by dark exposure, and the reactivated plasticity can be harnessed to promote the recovery from severe…
Descriptors: Visual Acuity, Visual Impairments, Brain Hemisphere Functions, Animals
Wilhelmsen, Gunvor B – Improving Schools, 2016
Although good visual capacity is essential for children's learning, we have limited understanding of the various visual functions among school starters. In order to extend this knowledge, a small-scale study was undertaken involving 24 preschool children age 5-6 years who completed a test battery originally designed for visual impairment…
Descriptors: Preschool Children, Visual Impairments, Visual Acuity, Gender Differences
Enns, James T.; MacDonald, Sarah C. – Journal of Experimental Psychology: Human Perception and Performance, 2013
Visual artists and photographers believe that a viewer's gaze can be guided by selective use of image clarity and blur, but there is little systematic research. In this study, participants performed several eye-tracking tasks with the same naturalistic photographs, including recognition memory for the entire photo, as well as recognition memory…
Descriptors: Foreign Countries, Eye Movements, Photography, Visual Stimuli
Ghorashi, S. M. Shahab; Smilek, Daniel; Di Lollo, Vincent – Journal of Experimental Psychology: Human Perception and Performance, 2007
J. S. Joseph, M. M. Chun, and K. Nakayama (1997) found that pop-out visual search was impaired as a function of intertarget lag in an attentional blink (AB) paradigm in which the 1st target was a letter and the 2nd target was a search display. In 4 experiments, the present authors tested the implication that search efficiency should be similarly…
Descriptors: Visual Discrimination, Visual Stimuli, Spatial Ability, Inhibition
Gabbard, Carl; Ammar, Diala – Brain and Cognition, 2005
A rather consistent finding in studies of perceived (imagined) compared to actual movement in a reaching paradigm is the tendency to overestimate at midline. Explanations of such behavior have focused primarily on perceptions of postural constraints and the notion that individuals calibrate reachability in reference to multiple degrees of freedom,…
Descriptors: Human Body, Cues, Visual Stimuli, Visual Measures
Brannstrom, Lauritz – 1980
Visual acuity as a function of target position and density was measured in a letter recognition task. A homogeneous pattern of equally-spaced elements was tachistoscopically exposed, where the target was never located at the boundaries of the pattern. The target was marked with a spatial cue to control attentional processes. With such a spatial…
Descriptors: Cues, Dimensional Preference, Letters (Alphabet), Patterned Responses
