Future & Research
Researchers conduct studies involving first-episode stroke patients. These patients typically have unilateral cerebral damage and/or contralateral extinction. Current research is focusing on the more detailed role of the parietal lobe in visual extinction.
The ability to understand which factors in visual processing determine whether a contralesional event, occurring on the half of the patient's brain or body opposing the site of a lesion, is observed or eliminated can provide crucial insights connecting to the mechanisms of attention and operation.
Routine eye examinations have begun to incorporate the knowledge of visual extinction. Such examinations screen for simple, unsuspected visual field defects or abnormalities, while screening for the more severe extinction, by testing all quadrants of the visual field.
Read more about this topic: Visual Extinction
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—Primo Levi (1919–1987)
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—Sigmund Freud (1856–1939)