PSY100H1 Lecture Notes - Lecture 11: Transient Ischemic Attack, Post-Concussion Syndrome, Traumatic Brain Injury

• School: UTSG
• Department: Psychology
• Course: PSY100H1
• Professor: Janelle Leboutillier

Document Summary

Not responsible for: seizures and epilepsy pg 436- 438, brain infections pg 440- 446. Brain"s blood supply is interrupted by either bleeding or sudden blockage: cerebral hemorrhage (involves bleeding in brain) Blockage of blood vessels results in low oxygen levels. Thrombosis is plug of blood that blocks blood vessel without moving. Embolism is a plug that travels until it lodges in a smaller blood vessel. Tia (transient ischemic attack) episodes of stroke symptoms lasting less than 24 hours. When you experience tia, you are more prone to experiencing more in the future. What are the risk factors for stroke: hypertension, smoking, high cholesterol, diet, age, diabetes, obesity, use of alcohol, amphetamines, other drugs, arteriosclerosis. When an area of the brain is deprived of oxygen for a sufficient amount of time, cells begin to die. The area of dead tissue is referred to as an infarct. In this image the patient suffered a fatal infarct in the right frontal lobe.