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Sensory-motor control and adaptation in cooperative action

Endo, Satoshi (2011)
Ph.D. thesis, University of Birmingham.

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The objective of this thesis is to present how implicit, nonverbal cues support coordinated action between two people. A set of five experiments shows how people utilise sensory information about a partner in order to control goal-directed action involving synchronous vertical hand movement. Chapter 1 reviews recent developments in studies of interpersonal interaction and highlights control issues that are critical in cooperative action. In Chapter 2, an experimental study addresses the importance of haptic feedback about object dynamics for learning behavioural characteristics of another person who manipulated the same object from the other side. In Chapter 3, the contributions of feedback and feedforward control are assessed as the interaction of the task partners are experimentally controlled using a humanoid robot which serves the role of task partner. Chapter 4 proposes error-based learning as a model of cooperative action wherein subsequent motor response is regressed on current error in order to improve coordination between partners. Chapter 5 shows that adaptation rate of a participant is modulated with respect to the rate of the task partner so that the net adaptation of the two partners becomes optimal using a computer simulated task partner. In Chapter 6, this joint adaptation model is applied to continuous movement to demonstrate the generalisability of the model. The last chapter discusses the contribution of the empirical chapters and reviews the theoretical and methodological contribution of the thesis as a whole to the field of cognitive neuroscience. In conclusion, the thesis provides strong evidence that movement characteristics of a partner expressed both within and across trials determine the way a person engages in a joint task.

Type of Work:Ph.D. thesis.
Supervisor(s):Wing, Alan M.
School/Faculty:Colleges (2008 onwards) > College of Life & Environmental Sciences
Department:School of Psychology
Subjects:BF Psychology
Institution:University of Birmingham
ID Code:1506
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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