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Canada (511,086)
Psychology (7,812)
PSYB65H3 (519)
Ted Petit (310)
Lecture

note 03

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Department
Psychology
Course
PSYB65H3
Professor
Ted Petit
Semester
Fall

Description
Lec 03 problems in vescular system brain is a high metabolic tissure, oxygen is very important, lack of oxygen in brain can cause serious damage BLOOD SUPPLY PROBLEMS block of blood flow-- -cerebral vescular accident (CVA): severe interuption to blood supply of brain resulted in ischemia (not enough oxygenblood supply, produce dead or dying tissue called infarct) -encephomalacia: long-termslow block of artery that causes brain tissue damage (SLOW reduction of blood supply, tissue become softening but not completely dead) -transient ischemic attack (TIA): temporally restriction of blood flow (severe headache is commonly involved in), no brain damage cause of disruption in blood flow-- -thrombosis: locally formed blockage (right there in the brain) -embolism: blockage that breaks off from somewhere else -austerious crosis (general clogging of arteries): slow process, associated more with encephomalacia, usually happens in old people blood vessel burst-- -cerebral haemorrhage: messive bleeding into the brain tissue itself -can kill the tissue, threat life (die immediatly) -usually as
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