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Direct linkde Hevia, Maria Dolores; Spelke, Elizabeth S. – Cognition, 2009
Mature representations of space and number are connected to one another in ways suggestive of a "mental number line", but this mapping could either be a cultural construction or a reflection of a more fundamental link between the domains of number and geometry. Using a manual bisection paradigm, we tested for number line representations in adults,…
Descriptors: Preschool Children, Number Concepts, Cognitive Processes, Mathematical Models
Hung, Yi-hui; Hung, Daisy L.; Tzeng, Ovid J.-L.; Wu, Denise H. – Cognition, 2008
The spatial component of numerical and ordinal information has been explored in previous research. However, how such mapping emerges and how it is affected by the learning experience are issues still under debate. In the current study, we examined the orientation of the mental number line for different numerical notations in Chinese readers. Our…
Descriptors: Learning Experience, Numbers, Number Concepts, Cognitive Processes
Pinhas, Michal; Fischer, Martin H. – Cognition, 2008
McCrink (McCrink, Dehaene, & Dehaene-Lambertz (2007). "Moving along the number line: Operational momentum in nonsymbolic arithmetic." "Perception and Psychophysics," 69(8), 1324-1333) documented an "Operational Momentum" (OM) effect--overestimation of addition and underestimation of subtraction outcomes in non-symbolic (dot pattern) arithmetic. We…
Descriptors: Number Concepts, Subtraction, Mathematics Instruction, Cognitive Processes
Santens, Seppe; Gevers, Wim – Cognition, 2008
In this study, we directly contrast two approaches that have been proposed to explain the SNARC effect. The traditional direct mapping account suggests that a direct association exists between the position of a number on the mental number line and the location of the response. On the other hand, accounts are considered that propose an intermediate…
Descriptors: Numbers, Mental Computation, Number Systems, Number Concepts
Casarotti, Marco; Michielin, Marika; Zorzi, Marco; Umilta, Carlo – Cognition, 2007
The existence of spatial components in the mental representation of number magnitude has raised the question regarding the relation between numbers and spatial attention. We present six experiments in which this relation was examined using a temporal order judgment task to index attentional allocation. Results demonstrate that one important…
Descriptors: Spatial Ability, Numbers, Attention, Visual Stimuli
Shaki, Samuel; Fischer, Martin H. – Cognition, 2008
Small numbers are spontaneously associated with left space and larger numbers with right space (the SNARC effect), for example when classifying numbers by parity. This effect is often attributed to reading habits but a causal link has so far never been documented. We report that bilingual Russian-Hebrew readers show a SNARC effect after reading…
Descriptors: Semitic Languages, Reading Habits, Numbers, Spatial Ability
