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Montey, 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
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Bolte, Sven; Schlitt, Sabine; Gapp, Volker; Hainz, Daniela; Schirman, Shella; Poustka, Fritz; Weber, Bernhard; Freitag, Christine; Ciaramidaro, Angela; Walter, Henrik – Journal of Autism and Developmental Disorders, 2012
Autism spectrum disorders (ASD) have been associated with sensory hypersensitivity. A recent study reported visual acuity (VA) in ASD in the region reported for birds of prey. The validity of the results was subsequently doubted. This study examined VA in 34 individuals with ASD, 16 with schizophrenia (SCH), and 26 typically developing (TYP).…
Descriptors: Schizophrenia, Autism, Visual Acuity, Pervasive Developmental Disorders
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Odic, Darko; Libertus, Melissa E.; Feigenson, Lisa; Halberda, Justin – Developmental Psychology, 2013
From very early in life, humans can approximate the number and surface area of objects in a scene. The ability to discriminate between 2 approximate quantities, whether number or area, critically depends on the ratio between the quantities, with the most difficult ratio that a participant can reliably discriminate known as the Weber fraction.…
Descriptors: Young Children, Age, Adults, Age Groups
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Evans, Scott; Lickey, Marvin E.; Pham, Tony A.; Fischer, Quentin S.; Graves, Aundrea – Learning & Memory, 2007
It has been discovered recently that monocular deprivation in young adult mice induces ocular dominance plasticity (ODP). This contradicts the traditional belief that ODP is restricted to a juvenile critical period. However, questions remain. ODP of young adults has been observed only using methods that are indirectly related to vision, and the…
Descriptors: Animals, Young Adults, Visual Acuity, Vision
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Brown, Richard E.; Wong, Aimee A. – Learning & Memory, 2007
We calculated visual ability in 13 strains of mice (129SI/Sv1mJ, A/J, AKR/J, BALB/cByJ, C3H/HeJ, C57BL/6J, CAST/EiJ, DBA/2J, FVB/NJ, MOLF/EiJ, SJL/J, SM/J, and SPRET/EiJ) on visual detection, pattern discrimination, and visual acuity and tested these and other mice of the same strains in a behavioral test battery that evaluated visuo-spatial…
Descriptors: Memory, Visual Acuity, Memorization, Animals
Scientific American, Inc., New York, NY. – 1986
Understanding vision is not a simple task. Nevertheless, a great deal is known about vision, more than about any of our other senses. The articles collected in this volume were chosen and organized with the intention of providing a survey of a number of different areas of vision research. Three major sections focus on the general categories of…
Descriptors: Anatomy, Animals, Entomology, Eyes