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ID 714
file
title alternative
Personal tempo and pattern formation in polyrhythmic tapping
creator
Tajima, Makoto
Cho, Koji
subject
polyrhythmic tapping
personal tempo
pattern formation
entrainment
Farey tree
abstract
Personal tempos in our rhythmic movements have been studied with various tasks. However, no studies have examined the personal tempo in bimanual coordination with interference between the right and left hand movements, because the previous studies used auditory or visual stimuli in acquisition. For the same reason, a formation of the bimanual coordination pattern could not be examined. Therefore, the purposes of this study were to compare personal tempos produced by a single-rhythmic tapping and a 3 : 2 polyrhythmic tapping, and to clarify a mechanism of the 3 : 2 polyrhythmic pattern formation from a viewpoint of entrainment. Intertap intervals (ITIs) of each rhythmic tapping by ten subjects were analyzed. Results showed that the single-rhythmic tapping produced ITIs which were similar to ITIs of 3-beat sequence in the 3 : 2 polyrhythmic tapping. This suggests that there exist consistency between the single-rhythmic tapping and polyrhythmic tapping with a personal tempo. Another result showed that 2 : 1 and 1 : 1 patterns were emerged before the formation of 3 : 2 pattern. Such a shift is expressed in Farey tree that shows frequency rations at entrainment. We found that the complicated pattern was formed through the formation of more stable patterns formed by entrainment.
journal title
Memoirs of the Faculty of Integrated Arts and Sciences, Hiroshima University. IV, Science reports
volume
Volume 23
start page
129
end page
139
date of issued
1997-12-28
publisher
広島大学総合科学部
contributor
国立情報学研究所
date of created
2006-03-21
issn
1340-8364
ncid
SelfDOI
language
jpn
nii type
Departmental Bulletin Paper
HU type
Departmental Bulletin Papers
DCMI type
text
format
application/pdf
text version
publisher
department
Graduate School of Integrated Arts and Sciences
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