** note special day and time **
** this Thurs 10:30a - 12:30p **
LOCATION: Redfish Conference Room, 624 Agua Fria Street, Santa Fe NM
TIME: Thursday, October 11, 10:30a-12:30p
Light snack and coffee will be served
FIRST TALK
Learning Dynamics: Lessons from Attractor Reconstruction
Polemnia G. Amazeen, Eric E. Hessler, & Jamie C. Gorman
Arizona State University and Cognitive Engineering Research Institute, Mesa, AZ
Coordination is a multi-level, multi-agent, and naturally important phenomenon.
We will present research on the learning of new coordination patterns at three,
nested levels of analysis: (1) bimanual coordination, in which the coordinating
components are the arms; (2) motor-respiratory coordination, in which the
components are the motor and respiratory subsystems; and (3) team coordination,
in which people learn to interact to satisfy a team goal. In each of those
cases, we will present a traditional method of assessing learningby looking at
learning curvesand the dynamical method of watching attractors evolve with
practice. Generalities about learning new coordination patterns will be
discussed.
SECOND TALK
Modern Techniques Reveal Multiple Cognitive Processes in the
Control of Movement
Eric L. Amazeen and André B. Valdez
Arizona State University
>From the early research of Donders in 1865 to modern fMRI research, psychology
has a long analytic tradition of separating and isolating mental processes in
order to study them. We will present research on both continuous bimanual
movements and discrete aiming movements to show how modern analytical techniques
can be used to investigate situations where multiple mental processes occur
simultaneously. In one study, the intrinsic dynamics of bimanual coordination
will be used to identify the simultaneous contributions of both perception and
action (motor constraints) on movement. Then, in two studies of discrete aiming
movements, fractal time series analysis will be used to reveal an overlap in
planning and control.
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