The Nervous System

    (1) Briefly describe how information flows through neurons. (2A) Fill in the blanks below based on what was discussed in class. Alzheimer’s Disease leads to __________ death and tissue loss throughout the brain. The _________ shrivels up, damaging areas involved in thinking, planning and remembering. Shrinkage is especially severe in the _____________, an area of the cortex that plays a key role in formation of new memories. (2B) Briefly describe the two genes that are implicated in early-onset Alzheimer’s Disease and how they are thought to contribute to the disease, and the gene most associated with late-onset Alzheimer’s Disease.