How Stimulus Variables Combine to Affect Change Blindness
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Abstract
Change blindness is the inability to detect changes that occur in a scene, when the scene is briefly obscured while the change happens. It has been found to occur during driving simulations and computer use for example. Scene-Complexity, stimulus On-Time and time for which a scene is obscured can all affect our ability to detect changes (or change blindness). In most studies parameters have been selected to induce change blindness with little consideration of the extent to which change blindness might be induced. There is however evidence that variables that describe the visual scene can affect likelihood of detecting changes (Rensink Visual Cognition 7:345–376, 2000). These effects have in this paper been explored in combination. Increasing Scene-Complexity, decreasing stimulus On-Time and increasing the duration for which a scene is obscured all increase change blindness but they all interact to further increase the likelihood of changes being missed. In order to reduce change blindness in a changing scene, all the variables need to be considered.
Keywords
Change blindness On-Time Inter Stimulus Interval Scene ComplexityReferences
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