PSYC 2650 Chapter Notes - Chapter 2: Capgras Delusion, Parietal Lobe, Frontal Lobe

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This disorder is rare on its own but often accompanies alzheimer"s syndrome. Observed among the elderly, can result from various injuries to the brain. Someone with capgras syndrome is able to recognize the people in their world but is convinced that these people are not who they appear to be (a well-trained imposter of their loved one) Recognition involves two separate systems in the brain: The concordance of these two appraisals then leads to recognition. Examination of this disorder is made possible by neuro-imaging techniques: Pet scans (looks at structure of the brain) People with this disorder often suffer from abnormalities in the amygdala and the pre frontal cortex. Fmri scans (tells us which portions of the brain are especially active during scan) The damage to the amygdala is likely to be the reason why capgras patients experience no sense of familiarity.

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