Verbal-Overshadowing Effect: Evidence for a General Shift in Processing

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Abstract
Two experiments investigate the nature of the verbal-overshadowing effect-the finding that recognition performance for certain stimuli is impaired if it is described verbally (Schooler & Engstler-Schooler, 1990). Impairment on a face-recognition task was found, although participants produced not a verbal description of the target but, instead, a description of another object (a car) presented in the study phase. These results support the idea that the verbal-overshadowing effect reflects a general shift in the processes involved in face recognition rather than a specific impairment for the described stimulus. Results also support the notion that the impairing effect of verbalization is unique to certain types of stimuli; verbalization impaired recognition of a face but not of a car.

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