Which Parts of the Brain Shrink the Most in Later

question 100

Multiple Choice

Which parts of the brain shrink the most in later life?

• A) hippocampus and prefrontal cortex
• B) hippocampus and corpus callosum
• C) prefrontal cortex and thalamus
• D) prefrontal cortex and hypothalamus

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Definitions:

Environmental Events

Occurrences in the natural or built environment that can influence the lives of individuals, communities, and ecosystems, such as natural disasters, pollution, and urban development.

Experience-Expectant

Describes neural growth that requires a certain kind of environmental stimulation that is almost certain to occur in the experience of most members of a species. An example is development of the visual system that requires exposure to light in order to occur.

Epigenesis

The control of genetic expression by both regulatory DNA and environmental factors.

Genetic Expression

The process by which information from a gene is used to synthesize functional gene products, such as proteins, which can influence an organism's traits.