The Development of Inhibitory Neural Pathways in the Higher Region

question 139

Multiple Choice

The development of inhibitory neural pathways in the higher region of the brain leads to what characteristic of the fetal period?

• A) the beginning ossification of the skeleton
• B) the appearance of generalized movements
• C) a reduction in activity level
• D) differentiation of the three major divisions of the brain

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Definitions:

Mandible

The lower jawbone in humans and some animals, which holds the lower teeth in place and plays a key role in biting and chewing.

Levator Anguli Oris

A facial muscle that elevates the angle of the mouth, contributing to expressions such as smiling.

Normal Populations

Populations in which the distribution of data points follows a normal (bell-shaped) distribution curve.

Two-Tailed Hypothesis Test

A statistical analysis method where the significance of the observed data can be in either tail of the distribution, testing for either too high or too low outcomes relative to the hypothesized values.