An Examination of Visual Agnosia Essay -- Term Papers Research

An Examination of Visual Agnosia Imagine a detective requesting you to copy a picture show. Its a simple task. You move your instrument of congresswoman across a sheet of blank paper with ease, glancing from the given picture to your own sketch in progress. When you are finished you observe a satisfactory replica and feel a sense of acquirement and progress with the similarity you have achieved between picture and sketch. Then the researcher queries whether you potbelly tell him what you have drawn. You search the interconnected lines, the edges, and the shapes of your sketch but cannot final result what the picture represents. Finally, an explanation is given. You have just drawn a house- a simple triangle resting on top of a square. Your sense of accomplishment is quickly replaced with a feeling of despair.Visual agnosia is a neurological disease characterized by the in top executive to credit familiar objects (Farah, 1990). Object recognition is the ability to place an obj ect in a category of meaning. Most cases of opthalmic agnosia are brought about through cerebral vascular accidents or traumatic brain injury typically inhibiting sufficient amounts of oxygen from reaching zippy body tissues (Zoltan, 1996). There are a vast array of damage abilities and deficits associated with individuals diagnosed with visual agnosia. These impairments vary considerably from individual to individual (Farah, 1990). Some patients cannot recognize pictures of things much(prenominal) as trees and birds, despite being able to describe such objects or recognize them through other senses such as voice and touch. Other patients demonstrate an inability to recognize faces of friends and family members (Goodale, 1995). The functional impairments experienced as a r... ...idence. Neuropsychologia, 29, 949-958.Farah, M.J. Relations Among the Agnosias. Case Studies in the Neuropsychology of Vision. The Psychology condense UK, 1999. (9) 181.Goodale, M.A. (1995) Perceiving the World and Grasping It Is there a difference? Lancet, 343, 930.Humphreys, G.W. Case Studies in the Neuropsychology of Vision. The Psychology Press UK, 1999. Sajda P. & Finkle, L.H. (1995) Intermediate Visual Representations and the Construction of coat Perception. Journal of Cognitive Neuroscience, 7, 267-291.Vecera, S.P. & Gilds, K.S. (1998) What Processing is Impaired in Apperceptive Agnosia assure from Normal Subjects. Journal of Cognitive Neuroscience, 10 (5), p.568Zoltan, B. Vision, Perception, & Cognition A Manuel for the rating and Treatment of the Neurologically Impaired Adult. Slack Incorporated New Jersey, 1996. 109-111.