PSY 2114 Lecture Notes - Lecture 9: Muscle Tissue, Ejaculation, Ovulation

• School: University of Ottawa
• Department: Psychology
• Course: PSY 2114
• Professor: Wendy Lee

Document Summary

Lecture 9: middle and late adulthood, march 30th, 2016. Cognitive changes: physical changes & health. Osteoporosis disease in which bones become porous like honeycombs and break easily. 10% of canadians aged 40 and over been diagnosed with osteoporosis, 4x more women than men. Bone density screen tests: 2. 5sds below is osteopourosis. What"s the best prevention: exercise, diet (start when young) Selective estrogen receptor modulators: mimic estrogen but not with side effects. Gradual onset and progression of joint and pain and disability with minor signs of. More destructive joint disease that develops slowly and affects joints, causing stiffness and pain. Affects different joints (elbows, shoulders, wrists, ankles) Some dendrites shrivel and die (but can also grow in some areas) Neurofibrillary tangles fibers that are part of axons of neurons become tangled together to form spiral-shaped masses. Neuritic plaques damaged and dying neurons that collect around a core protein. These changes are normative but when occurring at great rate, suggests disease.