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psychophysics: detection  

Definition

  • A detection threshold is the minimum stimulus strength that can be perceived. Even with such a humble definition, the measurement of detection thresholds has become a golden, powerful tool for psychophysicists, but it is elusive to pinpoint. [Source: Encyclopedia of Perception; Psychophysics: Detection]

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https://concepts.sagepub.com/social-science/concept/psychophysics:_detection

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