Examlex
Ambiguous figures frequently produce perceptual uncertainty in the first-time viewer because of the viewer's lack of experience with the stimulus.
Dopamine
A neurotransmitter involved in controlling movement and posture, moderating mood, and plays a central role in the reward system of the brain.
Blood-Brain Barrier
A selective barrier that prevents certain substances in the bloodstream from entering the brain, protecting it from toxins and infections.
Serotonin
A neurotransmitter that plays a key role in mood regulation, digestion, sleep, and other bodily functions.
Appetite
The natural desire to satisfy bodily needs, especially for food.
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