Behavioral Consequences of CVI Global Picture vs Details May attend to details of an object rather than the whole object itself Dorsal Stream Dysfunction Dorsal stream is immediate, unconscious automatic system used to appraise and move through the visual world Dorsal stream issues more common in children than ventral stream issues Dorsal stream functions are unconscious Dorsal stream issues more amenable to change via intervention than ventral stream dysfunctions Dorsal stream ranges in character and severity. range of visual acuity and visual field Varying degrees of CP Common in children with periventricular white matter damage (PWMI), preterm births, Williams syndrome Dutton, G.D. (2009). Dorsal stream dysfunction and dorsal stream dysfunction plus: A potential classification for perceptual visual impairment in the context of cerebral visual impairment. Developmental Medicine & Child Neurology ,51(3) p170-172 Ventral Stream Dysfunction Ventral stream is the conscious recognition and orientation system which we are aware of and and which processes more slowly Ventral stream is damaged less frequently than the dorsal stream in children Ventral stream issues are usually associated with some dorsal stream dysfunction Difficulty with recognition (due to visual memory issues Faces Facial expressions Shapes and objects and their alignment Navigating inside and outside (don’t know what you are looking at to orient) Varies in degree and severity Dutton, G.D. (2009). Dorsal stream dysfunction and dorsal stream dysfunction plus: A potential classification for perceptual visual impairment in the context of cerebral visual impairment. Developmental Medicine & Child Neurology ,51(3) p170-172.
Behavioral Consequences of CVI Global Picture vs Details May attend to details of an object rather than the whole object itself Dorsal Stream Dysfunction Dorsal stream is immediate, unconscious automatic system used to appraise and move through the visual world Dorsal stream issues more common in children than ventral stream issues Dorsal stream functions are unconscious Dorsal stream issues more amenable to change via intervention than ventral stream dysfunctions Dorsal stream ranges in character and severity. range of visual acuity and visual field Varying degrees of CP Common in children with periventricular white matter damage (PWMI), preterm births, Williams syndrome Dutton, G.D. (2009). Dorsal stream dysfunction and dorsal stream dysfunction plus: A potential classification for perceptual visual impairment in the context of cerebral visual impairment. Developmental Medicine & Child Neurology ,51(3) p170-172 Ventral Stream Dysfunction Ventral stream is the conscious recognition and orientation system which we are aware of and and which processes more slowly Ventral stream is damaged less frequently than the dorsal stream in children Ventral stream issues are usually associated with some dorsal stream dysfunction Difficulty with recognition (due to visual memory issues Faces Facial expressions Shapes and objects and their alignment Navigating inside and outside (don’t know what you are looking at to orient) Varies in degree and severity Dutton, G.D. (2009). Dorsal stream dysfunction and dorsal stream dysfunction plus: A potential classification for perceptual visual impairment in the context of cerebral visual impairment. Developmental Medicine & Child Neurology ,51(3) p170-172.
Presentation1_CVI_Lueck_IAER2016.docx