The revelation of the negative side of a mental number line depends on list context: Evidence from a sign priming paradigm |
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Authors: | Chi-Shing Tse Jeanette Altarriba |
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Affiliation: | 1. Chinese University of Hong Kong , Hong Kong, China cstse@cuhk.edu.hk;3. University at Albany, State University of New York , Albany, New York, USA |
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Abstract: | Two parity judgement experiments examined how the activation of spatial-numerical associations of a single, centrally presented digit, reflected by the Spatial-Numerical Association Response Codes (SNARC) effect, is modulated by a preceding + (plus) or ? (minus) prime. The centrally presented prime prior to a digit presentation presumably triggers its positive or negative attributes. When the plus- and minus-primed trials were blocked, the left-small/right-large SNARC effects occurred regardless of prime type. When the plus- and minus-primed trials were randomly intermixed, this left-small/right-large SNARC effect occurred for plus-primed digits, but was reversed for minus-primed digits. The implications of this finding for context-dependent SNARC effects are discussed. |
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Keywords: | Mental number line Negative numbers Spatial-numerical association |
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