sensory threshold (redirected from Phenomenal threshold)

sensory threshold

Etymology: L, sentire, to feel; AS, therscold

the point at which increasing stimuli trigger the start of an afferent nerve impulse. Absolute threshold is the lowest point at which response to a stimulus can be perceived.

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sensory (sen´srē),

n that part of the nervous system that receives and perceives sensations such as sound, touch, smell, sight, pain, heat, cold, and vibration.

sensory innervation,

n the distribution of nerves to an organ, muscle, or other body part conveying sensation to that area.

sensory threshold,

n the point at which a stimulus triggers the start of an afferent nerve impulse. Absolute threshold is the lowest point at which response to a stimulus can be perceived.