NUR230 Lecture Notes - Lecture 24: Spinothalamic Tract, Corticospinal Tract, Expressive Aphasia
Document Summary
In expressive aphasia, the affected individual cannot make words, but understands what others are saying: wernicke"s area: connected to broca"s area, is critical for language comprehension; dysfunction of this area causes receptive aphasia. In receptible aphasia, the affected individual can understand words and can speak, but uses illogical language: two major routes of cerebrovascular. During times of starvation, the liver is capable of supplying the body with glucose through gluconeogenesis: lack of cerebral blood flow causes cerebral hypoxia, which causes brain dysfunction. A lack of oxygen for as little as 10 seconds causes a loss of consciousness. Ischemia of brain tissue leads to cerebral infarction, which is the death of brain cells: hemorrhagic stroke: caused by a rupture and hemorrhage of cerebral artery, leading to compression of brain cells and loss of cerebral blood flow. Endovascular therapy using coil embolization or microsurgical clipping of a cerebral aneurysm has shown to be effective.
