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Linking cognitive and reaching trajectories via intermittent movement control
Friedman
Jason
author
Brown
Scott
author
Finkbeiner
Matthew
author
2013
Theories of decision-making have traditionally been constrained by reaction time data. A limitation of reaction time data, particularly for studying the temporal dynamics of cognitive processing, is that they index only the endpoint of the decision making process. Recently, physical reaching trajectories have been used as proxies for underlying mental trajectories through decision space. We suggest that this approach has been oversimplified: while it is possible for the motor control system to access the current state of the evidence accumulation process, this access is intermittent. Instead, we demonstrate how a model of arm movements that assumes intermittent, not continuous, access to the decision process is sufficient to describe the effects of stimulus quality and viewing time in curved reaching movements.
Decision making
Diffusion model
Reaction times
Arm movements
Submovements
exported from refbase (https://refbase.nfshost.com/show.php?record=70), last updated on Thu, 08 Aug 2013 07:44:13 +0000
text
https://refbase.nfshost.com/files/friedman/2013/70_Friedman_etal2013.pdf
10.1016/j.jmp.2013.06.005
Friedman_etal2013
Journal of Mathematical Psychology
2013
continuing
periodical
academic journal
57
3-4
140
151
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