Examlex
You have been given an unknown neurotransmitter to identify. What characteristics would indicate that it is more likely a small-molecule neurotransmitter?
Avolition
A lack of motivation or ability to initiate and persist in goal-directed activities, often observed in various psychiatric conditions.
Apathy
A lack of interest, enthusiasm, or concern.
Flat Affect
A severe reduction in emotional expressiveness, often characterized by a lack of facial expression and vocal tone.
Hallucinations
Perceptual experiences that occur without an external stimulus, often involving seeing, hearing, or feeling things that are not present.
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