Chapter 8: Aging

cell body

If the ________ is intact, the damaged neuron can induce changes in its axon and dendrites to regrow them.

Physical

________ and mental exercise are both effective means of slowing the effects of brain aging.

Effects of age

________ on brain function are very subtle and selective.

brain

The ________ is at risk of losing some neurons but not widespread neuron loss.

circuitry

When the ________ breaks down, neurons adapt by expanding their roles.

Dementia

________: a progressive and severe impairment in mental function that interferes with activities of daily living.

cell number

The stem ________ in the brain actually decreases as a person ages.

Free radicals

________: cell byproducts that destroy fats and proteins vital to cellular functions.

new information

There is an increase in the type of intelligence relying on learned or stored information but a decrease in the type that depends on the ability to deal with ________.

Dementia

A progressive and severe impairment in mental function that interferes with activities of daily living.

Alzheimer's disease

The most common type of dementia.

Free radicals

Cell byproducts that destroy fats and proteins vital to cellular functions.