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Boundary extension: findings and theories
Timothy L Hubbard1, Joanna L Hutchison, Jon R Courtney
1Department of Psychology, Texas Christian University, Fort Worth, TX 76129, USA. timothyleehubbard@gmail.com
Quarterly Journal of Experimental Psychology (2006)
|May 1, 2010
Summary
Boundary extension is the phenomenon where memory recalls scenes beyond their actual view. This review details factors influencing boundary extension and proposes underlying cognitive mechanisms.
Area of Science:
- Cognitive Psychology
- Visual Perception
- Memory Studies
Background:
- Boundary extension describes the tendency to misremember visual scenes as extending beyond their original frame.
- This phenomenon impacts memory recall and spatial representation.
Purpose of the Study:
- To comprehensively review factors influencing boundary extension.
- To discuss proposed mechanisms underlying boundary extension.
- To explore connections between boundary extension and other cognitive processes.
Main Methods:
- Literature review of studies on boundary extension.
- Analysis of characteristics related to the visual scene, display parameters, and observer attributes.
- Discussion of theoretical mechanisms and related cognitive phenomena.
Main Results:
- Boundary extension is influenced by scene characteristics, display properties, and observer-specific factors.
- Several mechanisms, including perceptual schemas, memory schemas, and attentional processes, are proposed to explain boundary extension.
- Boundary extension may relate to concepts like representational momentum and amodal completion.
Conclusions:
- Boundary extension is a complex cognitive phenomenon influenced by a multitude of factors.
- Understanding boundary extension offers insights into visual memory and spatial cognition.
- Further research can elucidate the precise mechanisms and broader implications of boundary extension.
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