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Stimulation

1. The act of stimulating, or the state of being stimulated.

2. (Science: physiology) The irritating action of various agents (stimuli) on muscles, nerves, or a sensory end organ, by which activity is evoked; especially, the nervous impulse produced by various agents on nerves, or a sensory end organ, by which the part connected with the nerve is thrown into a state of activity; irritation.

Origin: L. Stimulatio: cf. F. Stimulation. Any stimulating information or event; acts to arouse action.