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Authors: Tetsuya Ijiri ; Masahiro Shinya ; Kohtaroh Hagio and Kimitaka Nakazawa

Affiliation: The University of Tokyo, Japan

Keyword(s): Baseball, Visuomotor Coordination, Startle Reaction, Acoustic Stimulation, Sports, Vision, Feedback, Feedforward, Efference Copy, Electromyography (Emg), Excitability, Subcortical, Motor Circuit.

Related Ontology Subjects/Areas/Topics: Motor Control and Coordination ; Motor Learning ; Signal Processing and Motor Behavior ; Sport Science Research and Technology

Abstract: We investigated the mechanisms underlying timing of rapid interceptive actions under severe time constraints, such as those required in baseball, cricket, and tennis. To compensate for the temporal uncertainty of a moving target, participants were required to control their movement onset and/or duration. In Experiment 1, we tested how movement onset and/or duration are controlled under severe time constraints in a rapid baseball-simulation interceptive task. We found two distinct control strategies that modulated task performance. We also found that corrections to ongoing movements occurred more rapidly than had previously been reported. In Experiment 2, we used startling acoustic stimulation to investigate the detailed mechanisms underlying decisions about the timing of movement onset. Our findings indicate that the timing of movement onset is modified continuously via a subcortical motor circuit. Overall, our findings indicate that rapid movement decisions rely on a hybrid of feedf orward and feedback control, allowing for the circumvention of severe time constraints during rapid interceptive actions. (More)

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Paper citation in several formats:
Ijiri, T.; Shinya, M.; Hagio, K. and Nakazawa, K. (2013). The Use of Timing Control Strategies to Overcome Severe Time Constraints during Rapid Interception. In Proceedings of the International Congress on Sports Science Research and Technology Support - icSPORTS; ISBN 978-989-8565-79-2; ISSN 2184-3201, SciTePress, pages 5-12. DOI: 10.5220/0004614100050012

@conference{icsports13,
author={Tetsuya Ijiri. and Masahiro Shinya. and Kohtaroh Hagio. and Kimitaka Nakazawa.},
title={The Use of Timing Control Strategies to Overcome Severe Time Constraints during Rapid Interception},
booktitle={Proceedings of the International Congress on Sports Science Research and Technology Support - icSPORTS},
year={2013},
pages={5-12},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004614100050012},
isbn={978-989-8565-79-2},
issn={2184-3201},
}

TY - CONF

JO - Proceedings of the International Congress on Sports Science Research and Technology Support - icSPORTS
TI - The Use of Timing Control Strategies to Overcome Severe Time Constraints during Rapid Interception
SN - 978-989-8565-79-2
IS - 2184-3201
AU - Ijiri, T.
AU - Shinya, M.
AU - Hagio, K.
AU - Nakazawa, K.
PY - 2013
SP - 5
EP - 12
DO - 10.5220/0004614100050012
PB - SciTePress