PSYB65H3 Lecture Notes - Dementia, Meningioma, Meninges
Document Summary
Vascular supply of the brain what can go wrong. Cerebral vascular accidents (cva) (some kind of problem) Generally refers to a severe interruption of the blood supply to the brain. Whenever this happens, results in ischemia - not getting enough oxygen or glucose. Infarct - area of the brain that is dead. The larger the artery, the larger the area of the brain that will be destroyed. Encepholo malacia - refers to a situation where the blood supply loss occurs very slowly. Not enough oxygen going to the brain. Usually involves the muscles that surround the blood vessels. Most common symptom is vision causes of blockage thrombosis - locally formed occlusion. Usually the elderly, sedentary; not enough pumping of the blood. Embolism - blockage that is formed elsewhere in the body. Migrates through the blood stream and lodges in the brain.
