Using Strokes to Study Brain Area Functions
Strokes, which result from an interruption of blood flow to a part of the brain, cause a localized loss of brain function. By studying the specific behavioral changes or deficits that follow a localized stroke, researchers are able to link those functional impairments directly to the damaged region, thereby identifying the normal role of that specific brain area.
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Phineas Gage
Ethical Dilemmas Concerning Brain Death and Life Support
A patient suffers an injury to a specific, localized area of the brain. Following the injury, the patient's vision remains sharp, and they can identify everyday objects without difficulty. However, they are completely unable to recognize the faces of their closest relatives or even their own face in a mirror. Based only on this evidence, what is the most logical inference about the function of the damaged brain area?
Using Strokes to Study Brain Area Functions