1. The point at which a stimulus first produces a sensation.

2. The lower limit of perception of a stimulus.

3. The minimal stimulus that produces excitation of any structure; e.g., the minimal stimulus eliciting a motor response.

Synonyms: limen.

Origin: A.S. Therxold

(05 Mar 2000)

threose, threpsology, thresher, thresher's lung < Prev | Next > threshold body, threshold differential

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