Genetics, Brain Structure and Behavior

Topics: Alzheimer's disease, Traumatic brain injury, Brain Pages: 4 (1552 words) Published: February 18, 2012
Genetics, Brain Structure, and Behavior Presentation Evaluation.

Genetics, Brain Structure, and Behavior Presentation Evaluation. I decided to pick Team E’s presentation to evaluate. This team’s topic was the only one that I haven’t done some sort of research on for another class, and I felt that it was best that I picked something that I don’t really know any details about. Team E’s power point presentation was on Alzheimer’s disease. This disease was discovered in 1906 by Dr. Alois Alzheimer. He was the person who first saw the disease, and was able to notice the cognitive and behavioral degeneration in patients (Bremer, Ross, Shaw, Towery, 2012). This is a disease that is very damaging not only to the person suffering, but to their love ones around them. Alzheimer’s disease is a brain disorder that progressively damages and destroys brain cells. The deposits that are considered responsible for the brain damages are called plaques, and tangles. The plagues that cause the brain damage cause loss of connections in synaptic behavior. This causes the individual with the disorder to not process information normally, and can cause irritability, aggressiveness, and mood swings due to frustration (Bremer, Ross, Shaw, Towery, 2012). One of the causes of Alzheimer’s is cerebral tissue damage that is cause by cerebral blood flow deficit. This causes primary ischemia which is poor blood circulation due to blockage of blood vessels. The hippocampus has the least amount of blood supply in the brain, and damage to the brain can lead to Alzheimer’s. Dysfunction of axons, nerves, and synapses can also possibly lead to Alzheimer’s (Bremer, Ross, Shaw, Towery, 2012). The loss of a large amount of neurons and dendrites could also be a possible reason for Alzheimer’s to develop. The loss of these things usually occurs in the temporal, parietal, and entorhinal cortexes, hippocampus, and the amygdala. The beta-amyloid deposition also plays a role in causing Alzheimer’s. Never...
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