Definition

Absolute threshold

An absolute threshold is the smallest intensity of the stimulus that must be present for it to be detected. (Aazh & Moore, 2007).

Our senses are extremely responsive to stimuli. For example, the sense of the touch is so sensitive that we can feel a bee’s wing falling on our cheeks when it is dropped from a distance of 1 centimeter.


Absolute threshold is the point at which a stimulus can just be picked up by the sense organs.

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