PSYC 3265 Chapter Notes - Chapter 17: Neurofibrillary Tangle, Motor Cortex, Fusiform Gyrus
10 Nov 2014
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B/c of widespread degradation in the brain, this memory loss can even exten to well-ingrained memories: although it"s true that many older adults will acquire some form of dementia, many younger people contract these diseases as well. Causes of alzheimer"s disease: there is a strong genetic component. If a relative has alzheimer"s there is a 25 50% probability that a person will develop it as well. If not, then the probability is 10%: in identical twins, if one twin has it, there is a 40-50% chance that the other will get it & a 10- 50% chance for fraternal twins: there are also external, environmental influences. ex. People who have suffered head traumas or long period of depression are more likely to succumb: there are some protective factors. People who have been exposed to estrogen or antioxidants are less likely to get the disease.
