Facial Expressions Don't Lie

question 7

True/False

Facial expressions don't lie.

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Definitions:

Glial Cells

In nervous tissue, cells that support and nourish neurons; they also communicate with neurons and have several other functions; also see astrocyte, oligodendrocyte, ependymal cells, and microglia

Neurons

Specialized cells in the nervous system that transmit information through electrical and chemical signals.

Negative Feedback System

A regulatory mechanism in which a change in a system's output acts to stabilize or reduce further change.

Positive Feedback System

A system in which a change in some steady state triggers a response that intensifies the changing condition. Compare with negative feedback system.