Which Brain Area Was the Earliest Layer of the Forebrain

question 601

Multiple Choice

Which brain area was the earliest layer of the forebrain to develop during evolution and helps organize basic survival responses in lower animals, such as feeding, fleeing, fighting, and reproduction?

• A)somatosensory cortex
• B)endocrine
• C)limbic system
• D)reticular activating system

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Definitions:

Independent Samples

Two or more samples that are collected from populations, or groups, that do not affect one another and have no relationship between them.

Pooled Variance Estimate

A method to estimate variance combined from two or more samples that assumes the samples originate from populations with the same variance.

Common Variance

The variance shared by two or more variables, often assessed to understand the relationship or correlation between them.

Weighted Average

An average that multiplies each component by a predetermined weight before calculating the overall average.