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Direct linkPapadopoulos, Konstantinos; Koustriava, Eleni – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
In the present study, the aim was to examine the differences in performance between children and adolescents with visual impairment and sighted peers in the water-level task. Twenty-eight individuals with visual impairments, 14 individuals with blindness and 14 individuals with low vision, and 28 sighted individuals participated in the present…
Descriptors: Blindness, Vision, Children, Adolescents
Papadopoulos, Konstantinos; Koustriava, Eleni; Kartasidou, Lefkothea – Journal of Special Education, 2011
Loss of vision is believed to have a great impact on the acquisition of spatial knowledge. The aims of the present study are to examine the performance of individuals with visual impairments on spatial tasks and the impact of residual vision on processing these tasks. In all, 28 individuals with visual impairments--blindness or low…
Descriptors: Visual Impairments, Vision, Spatial Ability, Visual Perception
Papadopoulos, Konstantinos; Koustriava, Eleni – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
The aim of this study is to examine the performance in coding and representing of near-space in relation to vision status (blindness vs. normal vision) and sensory modality (touch vs. vision). Forty-eight children and teenagers participated. Sixteen of the participants were totally blind or had only light perception, 16 were blindfolded sighted…
Descriptors: Blindness, Vision, Spatial Ability, Visual Perception
Koustriava, Eleni; Papadopoulos, Konstantinos – Journal of Visual Impairment & Blindness, 2010
The term "mental rotation" refers to a mental process during which individuals "encode the spatial information into an image, rotate the image mentally, and then access the image in its new orientation." Spatial perspective taking is based on a mental rotation process of the self. In spatial perspective taking, individuals seem…
Descriptors: Visual Impairments, Perspective Taking, Spatial Ability, Congenital Impairments
