PSYC 375 Lecture Notes - Lecture 5: Anterior Cerebral Artery, Posterior Cerebral Artery, Middle Cerebral Artery

• School: University of Calgary
• Department: Psychology
• Course: PSYC 375
• Professor: Simon Spanswick

Document Summary

The force associated with a woodpecker pecking is about 1000g. The maximum survivable force for humans is about 100g. Reduce the space between the skull and the brain. Have a brain that is longer from top-to-bottom. Larger surface area to absorb the shock. Let your beak absorb the shock and reduce the impact on the brain. Have a third eyelid, which prevents eyes from popping out. Turn your head when you peck to redistribute the shock. There are three major arteries that provide the cerebrum with blood. A stroke is the sudden appearance of neurological symptoms as a result of severe interruption of blood flow in the brain. Every 10 minutes, someone in canada dies as a result of heart disease or stroke, costing the the canadian economy about . 6 billion per year. An ischemic stroke occurs when a blood vessel is blocked. Ischemic strokes are more common and less severe. Hemorrhagic strokes occur when a blood vessel bursts.