Sensation and Perception in Schizophrenia Patients

Topics: Schizophrenia, Hippocampus, Visual system Pages: 4 (1282 words) Published: November 22, 2010
Essay Assignment 2: Sensation and Perception of Schizophrenia

Generally a diagnosed person with Schizophrenia in basis of the latest edition of DSM is when Two (or more) of the following, each present for a significant portion of time during a 1-month period or less if successfully treated. First are delusions, where false beliefs are strongly held in spite of invalidating evidence. Merely having such belief proves how much this type patient of is experiencing a lack proper perceptual image and view of the actual world. That’s why a person with Schizophrenia could be described as “Losing in touch with reality”, having their own improbable perception of what they are experiencing that are entirely different from a normal person. Either perceiving heightened feelings of anxiousness or beliefs in grandeur in reference to themselves or their environment.

Next are hallucinations, a key factor to explain how much diagnosed Schizophrenics are impaired with sensational and perceptual concept of what they encounter in connection with a person’s five senses. Visually, seeing things that are not there or that other people cannot see. Auditory, hearing voices that other people can’t hear. Tactile, feeling things that other people cannot smell, or not smelling the same thing that other people do smell. Gustatory experiences, tasting things that aren’t there. With this, a lot of studies are made solely for the purpose of proving such claims. In terms of their visual abilities, Elahipanah, A., Christensesn, BK and Reignold, E.M. found a significant impairment in patients’ visual search performance was only evident when targets were more eccentric and their performance was more similar to healthy controls when the target was located closer to the center of the search display. These results support the hypothesis that a narrower visual span may underlie impaired visual search performance among patients with schizophrenia. In line with visual search, it implies the spotlight...
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