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Boundary Contraction for Wide-Angle Images on Monitor Screen: An Effect of Retention Interval

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2007, 12(4), pp.61-68
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

Phil-Sik Jang 1

1대불대학교

Accredited

ABSTRACT

Two experiments examined the visual memory distortion by presenting 170 subjects with wide-angle views of four scenes on monitor screen. Retention interval of 0, 1 and 48 hours tested in reproduction and recognition experiment. The results of reproduction showed that the subjects tend to magnify the foreground and background of scenes compared to the real input (scene) for all retention intervals. The viewers recognized more wide-angle views for the same scenes at the retention interval of 1 and 48 hours. These results demonstrated boundary extension is not a robust and unidirectional phenomenon but boundary contraction can be occurred with wide-angle views. The results also suggested that boundary contraction is the product of the activation of a memory schema hypothesis: In memory the representation moves toward a prototypical view and prototypical object size.

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