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Related Experiment Videos

The visual world behind the head.

F Attneave, P Farrar

    The American Journal of Psychology
    |December 1, 1977
    PubMed
    Summary

    Participants responded to object locations either imagining objects in front or recalling their real space positions. Recalling real space positions was harder, suggesting mental manipulation of spatial memory.

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    Accuracy of extrapolating a pointer into perceived and imagined space.

    The American journal of psychology·1978

    Area of Science:

    • Cognitive Psychology
    • Spatial Cognition
    • Human Memory

    Background:

    • Understanding how humans mentally represent and recall spatial information is crucial for cognitive science.
    • Investigating the differences between imagined and real-space recall provides insights into spatial memory mechanisms.

    Purpose of the Study:

    • To compare the cognitive load and accuracy of recalling object locations from real space versus imagined visual space.
    • To explore the strategies individuals employ when recalling spatial arrangements from different reference frames.

    Main Methods:

    • Subjects inspected objects, then recalled their locations and orientations from either real space (behind them) or an imagined visual space (in front).
    • Response accuracy and time were measured for 'real space' (RS), 'visual image', and control groups.
    • Qualitative data on subject strategies and reported mental processes were collected.

    Main Results:

    • The 'real space' group exhibited significantly higher error rates and longer response times compared to the 'visual image' and control groups.
    • RS subjects initially attempted to use response-reversal or object-translation strategies.
    • When these strategies were discouraged, RS subjects reported using a 'visual image' located behind them, akin to 'eyes in the back of the head.'

    Conclusions:

    • Recalling spatial information from a 'real space' frame of reference imposes a greater cognitive burden than recalling from an imagined visual frame.
    • The study highlights the complex interplay between spatial memory, mental imagery, and response strategies.
    • The findings raise questions about the nature of visual imagery when it does not correspond to actual visual input.

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