NDLI: Cognitive costs of motor planning do not differ between pointing and grasping in a sequential task

Content Provider	Springer Nature Link
Author	Schütz, Christoph Weigelt, Matthias Schack, Thomas
Copyright Year	2016
Abstract	Neurophysiologic studies have shown differences in brain activation between pointing and grasping movements. We asked whether these two movement types would differ in their cognitive costs of motor planning. To this end, we designed a sequential, continuous posture selection task, suitable to investigate pointing and grasping movements to identical target locations. Participants had to open a column of drawers or point to a column of targets in ascending and descending progression. The global hand pro/supination at the moment of drawer/target contact was measured. The size of the motor hysteresis effect, i.e., the persistence to a former posture, was used as a proxy for the cognitive cost of motor planning. A larger hysteresis effect equals higher cognitive cost. Both motor tasks had similar costs of motor planning, but a larger range of motion was found for the grasping movements.
Starting Page	2035
Ending Page	2043
Page Count	9
File Format	PDF
ISSN	00144819
Journal	Experimental Brain Research
Volume Number	234
Issue Number	7
e-ISSN	14321106
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-03-10
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Motor hysteresis Motor planning Cognitive cost Pointing Grasping Neurosciences Neurology
Content Type	Text
Resource Type	Article
Subject	Neuroscience

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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Cognitive costs of motor planning do not differ between pointing and grasping in a sequential task