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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Use of early phase online vision for grip configuration is modulated according to movement duration in prehension.
    Author: Fukui T, Inui T.
    Journal: Exp Brain Res; 2015 Aug; 233(8):2257-68. PubMed ID: 25929554.
    Abstract:
    Our previous study (Hum Mov Sci 25:349-371, 2006) investigated whether and how online vision in the early phase of movement influences the control of reach-to-grasp movements (movement duration: approximately 1000 ms). We used liquid-crystal shutter goggles to manipulate the duration of available online vision during the movement and specified that online vision during the early phase influences grasping movements. The current study examined the effect of online early phase vision on the grip configuration according to the movement duration and compared it between two different movement durations (approximately 500 and 1000 ms). We found that non-availability of early phase online vision affected the grip configuration (i.e., inducing a larger peak grip aperture) even in the shorter movement duration. The influential period for online vision for grasping control shifts to an earlier time when movement time is shorter (i.e., from approximately 214 to 106 ms after movement onset), indicating a flexible mechanism for grip configuration according to the movement duration and the available online vision.
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