An Examination of Visual Agnosia Essay -- Term Papers Research

An Examination of Visual Agnosia Imagine a police detective requesting you to copy a picture. Its a simple task. You move your performer of illustration across a sheet of blank paper with ease, glancing from the tending(p) picture to your own sketch in progress. When you are finished you bump a satisfactory replica and feel a sensory faculty of transaction and proficiency with the similarity you have achieved between picture and sketch. Then the researcher queries whether you can tell him what you have drawn. You search the interconnected lines, the edges, and the shapes of your sketch still cannot answer 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 disorder characterized by the inability to recognize familiar objects (Farah, 1990). Object cognition is the ability to place an ob ject in a category of meaning. close to cases of visual agnosia are brought about through cerebral vascular accidents or traumatic brain injury typically inhibiting sufficient amounts of oxygen from make vital body tissues (Zoltan, 1996). There are a vast line up of impaired abilities and deficits associated with individuals diagnosed with visual agnosia. These impairments vary considerably from individual to individual (Farah, 1990). most patients cannot recognize pictures of things such as trees and birds, despite being able to light upon such objects or recognize them through other senses such as sound and touch. Other patients demonstrate an inability to recognize faces of friends and family members (Goodale, 1995). The functional impairments undergo as a r... ...idence. Neuropsychologia, 29, 949-958.Farah, M.J. Relations Among the Agnosias. sideslip Studies in the Neuropsychology of Vision. The psychology Press UK, 1999. (9) 181.Goodale, M.A. (1995) Perceiving the Worl d 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 gimmick of Surface Perception. Journal of Cognitive Neuroscience, 7, 267-291.Vecera, S.P. & Gilds, K.S. (1998) What Processing is Impaired in perceptive Agnosia Evidence from Normal Subjects. Journal of Cognitive Neuroscience, 10 (5), p.568Zoltan, B. Vision, Perception, & Cognition A Manuel for the Evaluation and Treatment of the Neurologically Impaired Adult. Slack Incorporated New Jersey, 1996. 109-111.