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Related Experiment Videos

Visual memory for pictorial stimuli in a serial choice reaction-time task.

E Marshall, P Walker

    British Journal of Psychology (London, England : 1953)
    |May 1, 1987
    PubMed
    Summary

    Visual priming effects in reaction-time tasks are limited to consecutive stimuli and not affected by intervening items. This suggests visual and object priming occur during identification, not solely due to timing.

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    Area of Science:

    • Cognitive Psychology
    • Human Perception
    • Experimental Psychology

    Background:

    • The single-item visual recency effect in serial choice reaction-time tasks is not fully understood.
    • Previous research explored visual priming with letters and pictorial stimuli.

    Purpose of the Study:

    • To investigate the nature of visual priming in serial choice reaction-time tasks.
    • To determine if visual and object priming are distinct and how they are affected by practice and intervening stimuli.

    Main Methods:

    • Three experiments utilized a serial choice reaction-time task with pictorial stimuli.
    • Manipulations included stimulus repetition, irrelevant intervening stimuli, and varying time intervals.

    Main Results:

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    • Visual priming was observed only for consecutive stimuli and was unaffected by irrelevant stimuli in the response-stimulus interval.
    • Repeating a picture facilitated performance more than repeating the object it portrayed.
    • Name priming decreased with practice, unlike visual or object priming, suggesting these occur during identification.

    Conclusions:

    • Visual and object priming effects appear to occur during stimulus identification.
    • The loss of priming effects is not solely explained by time intervals or intervening information.
    • An unpredictable irrelevant stimulus may disrupt the direct interaction between memory and perception at the visual code level.