Abstract

Examples of priming stimuli Equipment The experiment was run on a 1.83 GHz Intel Core duo Mac Mini computer running OS10.5.8. It was programmed and run in Superlab 4.0.7. The display appeared on a Mitsubishi DPlus74SB CRT monitor, 75Hz, 1152x864 dpi. Research Question Previous research has investigated the extent to which visual images of objects that are not consciously perceived are encoded and prime. Bar and Biederman (1998), for example, using a subliminal priming paradigm, found that sub-threshold presentations of single objects do indeed affect performance on subsequent tasks. We asked whether subliminal presentations of two visual images would both be able to prime subsequent responses, something that has not been demonstrated previously. This question bears on the issue of how much and to what extent information is processed and encoded outside of awareness. We hypothesized that subjects’ responses to a speeded same/different decision task would be quicker if one of the two visual test objects previously had been presented subliminally.

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