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Fischer, Quentin S.; Aleem, Salman; Zhou, Hongyi; Pham, Tony A. – Learning & Memory, 2007
Prolonged visual deprivation from early childhood to maturity is believed to cause permanent visual impairment. However, there have been case reports of substantial improvement of binocular vision in human adults following lifelong visual impairment or deprivation. These observations, together with recent findings of adult ocular dominance…
Descriptors: Environmental Influences, Human Body, Vision, Visual Impairments
Vision in Children and Adolescents with Autistic Spectrum Disorder: Evidence for Reduced Convergence
Milne, Elizabeth; Griffiths, Helen; Buckley, David; Scope, Alison – Journal of Autism and Developmental Disorders, 2009
Evidence of atypical perception in individuals with ASD is mainly based on self report, parental questionnaires or psychophysical/cognitive paradigms. There have been relatively few attempts to establish whether binocular vision is enhanced, intact or abnormal in those with ASD. To address this, we screened visual function in 51 individuals with…
Descriptors: Autism, Vision, Integrity, Visual Acuity
Anderson, Barton L. – Psychological Review, 2007
Presents some additional comments from the current author regarding his original article "Filling-in models of completion: Rejoinder to Kellman, Garrigan, Shipley, and Keane (2007) and Albert (2007)." Despite repeated assertions by Kellman et al., I have never claimed that luminance constraints block modal completion; rather, they merely weaken…
Descriptors: Reader Response, Misconceptions, Spectroscopy, Lighting
Noel-Levitz, Inc, 2010
Does your campus' enrollment success depend on traditional-age students? Do you draw from one of the 39 states plus District of Columbia that will soon see significant changes in the numbers and make-up of direct-from-high-school students? Is your campus ready for these changes? Campus administrators are regularly reminded to keep an eye on…
Descriptors: Student Attitudes, Colleges, Enrollment, Enrollment Trends
Fan, Xiaofei; Miles, Judith H.; Takahashi, Nicole; Yao, Gang – Journal of Autism and Developmental Disorders, 2009
Computerized binocular infrared pupillography was used to measure the transient pupillary light reflex (PLR) in both children with autism spectrum disorders (ASDs) and children with typical development. We found that participants with ASDs showed significantly longer PLR latency, smaller constriction amplitude and lower constriction velocity than…
Descriptors: Control Groups, Autism, Pervasive Developmental Disorders, Comparative Analysis
Brancucci, Alfredo; Tommasi, Luca – Brain and Cognition, 2011
Since about two decades neuroscientists have systematically faced the problem of consciousness: the aim is to discover the neural activity specifically related to conscious perceptions, i.e. the biological properties of what philosophers call qualia. In this view, a neural correlate of consciousness (NCC) is a precise pattern of brain activity…
Descriptors: Auditory Stimuli, Stimulation, Brain Hemisphere Functions, Language Processing
Grob, George F. – American Journal of Evaluation, 2010
The author enjoyed reading Katharine Hay's ambitious and humbling visions for evaluation field building in South Asia. She has successfully positioned herself on a high mountain with a wonderful set of binoculars that enable her to see the entire evaluation landscape of South Asia. She magically sees and describes significant historical forces and…
Descriptors: Evaluation Research, Evaluators, Foreign Countries, Accountability
Genesky, S. M. – 1973
Defined in the booklet is the visually handicapped population that could benefit from use of binoculars, and described with photographs are uses of binoculars and additional equipment. Categories of the visually handicapped and concomitant population sizes are examined to stress the point that approximately 1.64 million Americans are partially…
Descriptors: Exceptional Child Services, Partial Vision, Sensory Aids, Vision
Cavezian, Celine; Vilayphonh, Marc; de Agostini, Maria; Vasseur, Vivien; Watier, Laurence; Kazandjian, Seta; Laloum, Laurent; Chokron, Sylvie – Research in Developmental Disabilities: A Multidisciplinary Journal, 2010
In young children, visual attention, analysis or memory is only rarely evaluated. Moreover, tools to test for such higher-order visual capacities in children are limited. In an attempt to develop and refine such tools, we selected nine tests to assess visuo-attentional abilities before formal reading education (grade 1). The battery consisted of…
Descriptors: Young Children, Visual Perception, Attention, Memory
Peer reviewed
Stein, J. F.; Fowler, M. S. – Journal of Research in Reading, 1993
Offers evidence for four propositions that demonstrate a strong association between binocular instability and dyslexic reading difficulties. Discusses two propositions designed to prove that it is unstable binocular control that causes reading difficulties, rather than vice versa. (RS)
Descriptors: Dyslexia, Elementary Education, Eye Movements, Literature Reviews
Peer reviewed
Yonas, Albert; And Others – Child Development, 1987
A test for sensitivity to binocular disparity and a shape perception test were administered to four-month-olds. Results indicated that disparity-sensitive infants could perceive three-dimensional-object shape from kinetic and binocular depth information. (PCB)
Descriptors: Depth Perception, Dimensional Preference, Eye Fixations, Infants
Peer reviewed
Anderson, Barton L.; Nakayama, Ken – Psychological Review, 1994
The role of occlusion configurations in binocular vision was studied in 4 experiments with 10 adult observers. Results reveal that occlusion relationships are sensed during the earliest stages of binocular processing. A simple theoretical framework that unifies fusion, stereopsis, and occlusion is advanced. (SLD)
Descriptors: Adults, Eyes, Models, Observation
Peer reviewed
Granrud, Carl E.; And Others – Journal of Experimental Child Psychology, 1984
Compares monocular depth perception with binocular depth perception in five- to seven-month-old infants. Reaching preferences (dependent measure) observed in the monocular condition indicated sensitivity to monocular depth information. Binocular viewing resulted in a far more consistent tendency to reach for the nearer object. (Author)
Descriptors: Cognitive Processes, Comparative Analysis, Depth Perception, Infant Behavior
Health Services and Mental Health Administration (DHEW), Bethesda, MD. – 1970
National estimates based on the findings from the Health Examination Survey in 1963 to 1965 of uncorrected monocular and binocular visual-acuity levels of children were studied. A nationwide sample of 7,417 children was selected to represent the approximately 24 million noninstitutionalized American children between ages 6 and 11 years. Testing…
Descriptors: Children, National Surveys, Research, Screening Tests
Sander, T.; Sprenger, A.; Neumann, G.; Machner, B.; Gottschalk, S.; Rambold, H.; Helmchen, C. – Brain, 2009
The cerebellum is part of the cortico-ponto-cerebellar circuit for conjugate eye movements. Recent animal data suggest an additional role of the cerebellum for the control of binocular alignment and disconjugate, i.e. vergence eye movements. The latter is separated into two different components: fast vergence (to step targets) and slow vergence…
Descriptors: Animals, Eye Movements, Patients, Human Body