What Is Pica

question 19

Multiple Choice

What is pica?

• A)self-injurious behavior
• B)eating of nonfood items
• C)self-stimulatory behavior
• D)excessive fear of loud noises

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Definitions:

Neurotransmitter

Biochemical substances that facilitate communication between neurons in the nervous system by transmitting signals across synapses.

Serotonin

A neurotransmitter that plays a key role in mood regulation, digestion, sleep, and other bodily functions.

Dopamine

Dopamine is a neurotransmitter that plays a pivotal role in the brain's reward system, influencing mood, motivation, and motor control.

GABA

Gamma-aminobutyric acid, a neurotransmitter in the brain that plays a key role in regulating nerve excitability and muscle tone.