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Hemispheric asymmetry, cardiac response, and performance in elite archers

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CONTRIBUTORS:
  Author Salazar, W.
  Author Landers, D. M. (Arizona State University)
  Author Petruzzello, S. J. (University of Illinois at Urbana-Champaign)
  Author Han, M.
  Author Crews, D. J. (Arizona State University)
  Author Kubitz, K. A.
JOURNAL:
  Research Quarterly for Exercise and Sport (RQES), 61(4), 351 - 359.
YEAR: 1990
PUB TYPE: Journal Article
SUBJECT(S): heart-rate; elite-athlete; spectrum-analysis; achievement; skill; cerebral-dominance; archery; electroencephalography
DISCIPLINE: No discipline assigned
HTTP: https://secure.sportquest.com/su.cfm?articleno=267138&title=267138
LANGUAGE: English
PUB ID: 103-342-087 (Last edited on 2002/02/27 18:44:08 US/Mountain)
SPONSOR(S):
 
ABSTRACT:
Previous sport research on elite athletes has shown systematic changes in psychophysiological measures, such as heart rate (HR) deceleration and hemispheric asymmetries in EEG activity, in the few seconds prior to executing a motor response. These changes are believed to be due to a more focused attention on the external environment. Using archery (an attentive state), this investigation was designed to examine: (a) whether hemispheric asymmetry and HR deceleration would occur during the aiming period, and (b) if they did, whether this would affect performance. HR and left and right temporal EEG were recorded from 28 right-handed elite archers for 16 shots. The results indicated that (a) there was no HR deceleration; (b) during the aiming period, EEG alpha activity formed the dominant frequency and this was significantly greater in the left than in the right hemisphere; (c) there were no significant right hemisphere EEG changes in spectral power from 3 s before the shot to arrow release, but there were significant left hemisphere increases at 10, 12, and 24 Hz; and (d) at 1 s prior to the shot, there were no significant right hemisphere spectral power differences between best and worst shots, but there were significant left hemisphere differences at 6, 12, and 28 Hz. The relationships among hemispheric asymmetry, HR deceleration, attentional processes, and shooting performance are discussed.
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