Numeric Comparison in a Visually-guided Manual Reaching Task
View/ Open
(412.2Kb)
Access Status
Full text of the requested work is not available in DASH at this time ("restricted access"). For more information on restricted deposits, see our FAQ.Published Version
https://doi.org/10.1016/j.cognition.2007.03.014Metadata
Show full item recordCitation
Song, Joo-Hyun, and Ken Nakayama. 2008. Numeric comparison in a visually-guided manual reaching task. Cognition 106(2): 994-1003.Abstract
Nearly all studies on perception and cognition have used discrete responses to infer internal cognitive processes. In the current study, we demonstrate that visually-guided manual reaching can provide new opportunities to access internal processes over time. In each trial, participants were required to compare a single digit Arabic number presented on the center square with the standard, 5. Participants were asked to reach and touch one of three squares on the screen with their index finger while their hand movement trajectories were recorded: the left square for 1-4, the center for 5, and the right for 6-9. Direct evidence for an analogue representation of numbers was found in early as well as in later portions of hand trajectories, showing systematic shifts in position for small differences in numerical magnitude.Other Sources
http://visionlab.harvard.edu/Members/Ken/nakayamapub.htmCitable link to this page
http://nrs.harvard.edu/urn-3:HUL.InstRepos:3203258
Collections
- FAS Scholarly Articles [18292]
Contact administrator regarding this item (to report mistakes or request changes)