Basic Gestures as Spatiotemporal Reference Frames for Repetitive Dance/Music Patterns in Samba and Charleston

Marc Leman, Luiz Naveda
2010 Music Perception  
Music Perception vo lu m e 28, issue 1, pp. 71-91, issn 0730-7829, electronic issn 1533-8312 © 2010 by t h e regents o f t h e university o f california. all rights reserved. please d i r e c t all requests f o r permission to p h oto c o p y o r r e p ro d u c e a rt i c l e c o n t e n t t h ro u g h t h e university o f california press's rights a n d permissions w e b s i t e , h t t p :// the goal of the present study is to gain better insight into
more » ... w dancers establish, through dancing, a spatiotemporal reference frame in synchrony with musical cues. With the aim of achieving this, repetitive dance patterns of samba and Charleston were recorded using a three-dimensional motion capture system. Geometric patterns then were extracted from each joint of the dancer's body. The method uses a body-centered reference frame and decomposes the movement into nonorthogonal periodicities that match periods of the musical meter. Musical cues (such as meter and loudness) as well as action-based cues (such as velocity) can be projected onto the patterns, thus providing spatiotemporal reference frames, or 'basic gestures,' for action-perception couplings. Conceptually speaking, the spatiotemporal reference frames control minimum effort points in action-perception couplings. They reside as memory patterns in the mental and/or motor domains, ready to be dynamically transformed in dance movements. The present study raises a number of hypotheses related to spatial cognition that may serve as guiding principles for future dance/music studies.
doi:10.1525/mp.2010.28.1.71 fatcat:cysqsgrdyfezrggrrozcfsin5e