Thursday, February 25, 2010

RE: iPost: More on metronome based timing and movement synchronization


If you don't mind, what are the implications for us, in any, in this paper?


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Sent: Thu 2/25/2010 9:29 AM
To: Blog Time Posts
Cc: Amy Vega; Matthew Wukasch; Al Guerra; Rob Ryan
Subject: iPost: More on metronome based timing and movement synchronization

Experimental Brain Research, Vol. 200, Issue 3 - New Issue Alert

Research Note
Combining multisensory temporal information for movement synchronisation

Alan M. Wing1 , Michail Doumas1, 2 and Andrew E. Welchman1

(1)     Behavioural Brain Sciences Centre, School of Psychology, 
University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
(2)     Department of Psychology, K. U. Leuven, Tiensestraat 102, 300 
Leuven, Belgium
Received: 9 July 2009  Accepted:9 December 2009  Published online: 29 
December 2009

Abstract  The ability to synchronise actions with environmental events 
is a fundamental skill supporting a variety of group activities. In 
such situations, multiple sensory cues are usually available for 
synchronisation, yet previous studies have suggested that auditory 
cues dominate those from other modalities. We examine the control of 
rhythmic action on the basis of auditory and haptic cues and show that 
performance is sensitive to both sources of information for 
synchronisation. Participants were required to tap the dominant hand 
index finger in synchrony with a metronome defined by periodic 
auditory tones, imposed movements of the non-dominant index finger, or 
both cues together. Synchronisation was least variable with the 
bimodal metronome as predicted by a maximum likelihood estimation 
(MLE) model. However, increases in timing variability of the auditory 
cue resulted in some departures from the MLE model. Our findings 
indicate the need for further investigation of the MLE account of the 
integration of multisensory signals in the temporal control of action.

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