The minimum intensity of sensory stimulation required before a sensation is detected 50 percent of the time is called

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Absolute threshold refers to the minimum level of sensory stimulation required to detect a sensation 50% of the time. Signal detection refers to the ability to discern between a sensory signal and background noise. Difference threshold is the minimum difference between two stimuli required for a person to detect a difference. Sensory adaptation refers to the decreased sensitivity to a constant or repetitive stimulus over time.

The Minimum Intensity of Sensory Stimulation Required Before a Sensation