Examlex
When Taylor stepped on a piece of broken glass at the beach,she initially felt a sudden stinging pain,which was transmitted by _____ fibers.
Mood Disturbances
Variations from a person's baseline mood, including disorders such as depression or bipolar disorder, affecting emotional states and behaviors.
Serotonin
A neurotransmitter involved in regulating mood, appetite, sleep, memory, and learning. Imbalances in serotonin are associated with depression and other mood disorders.
Endorphins
Natural, pain-killing chemicals released in the brain that also contribute to sensations of pleasure or well-being.
Enkaphalins
Peptides found in the brain, acting as neurotransmitters or neuromodulators, involved in regulating pain and emotion.
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