If, after a several-millisecond stimulus, a second stimulus is at the same location, people do not perceive first stimulus {backward masking}. Masking is greatest when second stimulus is 70 milliseconds to 90 milliseconds after first. Second stimulus has no affect after 100 milliseconds. For sound stimulus, second stimulus is noise. If first stimulus causes emotion, emotion results even if stimulus is not conscious.
Social Sciences>Psychology>Cognition>Perception>Masking
6-Psychology-Cognition-Perception-Masking
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Date Modified: 2022.0224