The Role of Attention in One-Handed Catching

Populin, Luis C.; Rose, Debra J.; Heath, Kathleen

doi:10.1080/00222895.1990.10735506

Cited by 8 publications

(3 citation statements)

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“…Although the changes in the automatic nervous system which occur with anticipation have been studied (Collet, Deschaumes-Moharo, Delhomme, Dittrnar, & Vernet-Maury, 19941, it is no: well known how anticipatory mechanisms influence human motor execution. Analysis of human rnotorcontrol mechanisms such as catching a ball (Srnyth & Marriott, 1982;Fischman & Schneider, 1985;Lacquaniti & Maioli, 1989a, 1989bPoulin, Rose, Send requests for re tints and correspondence to T. Kasai, Ph.D., Division of Sports and kealth Sciences, ~r a & a t e School for International Development and Cooperation, Hiroshima University, 1-5-1 Kagamiyama, Higashlhiroshima, Hiroshima, Japan 739-8529 or e-mail (tkasai @hiroshima-u.ac.jp).…”

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“…& Heath, 1990;Savelsberg, Whiting, Burden, & Bartlett, 1992;Savelsberg, Whiting, Pijpers, & van Santvoord, 1993;Bennett, Gorassini, & Prochazka, 1994;Polman, Whiting, & Savelsberg, 19961, throwing a ball or releasing a ball (Hore, Watts, Martin, &.Miller, 1995), playing a piano (Engel, Flanders, & Soeching, 1997), and performing the tasks of supporting or lifting objects (Commissaris & Toussaint, 1997;Scholz & Latash, 1998) have been investigated. Although kinesiological analysis of the human anticipatory mechanisms have been successful to some extent, the neurophysiological analyses which compose their background were incomplete given the complexity of the subsequent motor execution.…”

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Influence of Perturbation Induced by an Anticipated Load on Human Motor Regulatory Systems

2001

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To investigate how human motor regulatory systems are modified by prior knowledge of a predictable external perturbation, six normal human subjects, each when sitting on a chair, were required to maintain a stable elbow flexion angle (90 degrees) while different weight perturbations were applied (0.5 kg or 2-kg loads). Loads were applied either by the experimenter Without Anticipation or With Anticipation by the subject's own contralateral hand. Acceleration of the forearm movement (elbow extension and flexion) by loads and electromyograms (EMGs) of the biceps brachii (BB) and the triceps brachii (TB) muscle were recorded. Under With Anticipation conditions, preceding EMG activities of BB and TB muscles prior to the onset time of perturbation were clearly observed. Furthermore, the amount of these preceding EMG activities was larger in the heavy load perturbation than in the light load perturbation. Under Without Anticipation conditions, however, these preceding EMG activities were not observed. In the preceding EMG activities, EMG bursts (latency 20 msec.) of a presumed stretch reflex induced by the perturbation were clearly observed. Thus, the function of anticipatory adjustment of mainitaining the elbow angle definitely appears to optimize limb stability in the case of the mechanical self-applied perturbation. Furthermore, the extent of the anticipatory adjustment of the elbow angle was dependent on the predicted magnitude of load.

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Influence of Perturbation Induced by an Anticipated Load on Human Motor Regulatory Systems

2001

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“…Σημαντικές ακόμη είναι οι επιδράσεις του παραπάνω φαινομένου στον χρόνο αντίδρασης όπως μελετήθηκε στο άθλημα της σκοποβολής, (Rose & Christina, 1990), καθώς επίσης και στην ικανότητα υπολογισμού τροχιάς κινούμενου αντικειμένου στο άθλημα του baseball (Populin, Rose & Heath, 1990). (Navon & Gopher, 1979;Allport, 1980α).…”

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