日時：12/7(火) 15:30〜18:00(予定）
場所：セミナー室(8階)

Speaker: 森本 元太郎さん(東京大学大学院総合文化研究科広域システム専攻 池上研)
Title  : Exploration Behavior in Shape Discrimination

Abstract:
The motion of a model agent equipped with a plastic recurrent neural
network to perform a shape discrimination task is simulated as an
example of active perception.  The task requires dynamic
categorization of objects.  The ability to discriminate shape is
achieved by using an exploration behavior.  We investigate the
underlying mechanism of the deterministic exploratory behavior by
showing the change of internal dynamics of the agent.  The autonomy of
the agent is also discussed.


--
Speaker: 那須川 真澄さん(東京大学大学院総合文化研究科広域システム専攻 池上研)
Title  : Evolution of Sensory-motor Coordination with Physical Coherency

Abstract:
An extension of Braitenberg's architecture considers body design. A
mobile vehicle has to adapt not only to environmental information but
also to its own body dynamics. As an example with minimal complexity,
we studied a mobile vehicle with a body composed of two parts linked
by a spring. A task given to the vehicle was to visit two light
sources sequentially.  The complexity of the dynamics originates from
the structure of the body of the vehicle. We report the variety of
dynamics structures of successful and unsuccessful vehicles.


--
Speaker: 大海 悠太さん(東京大学大学院総合文化研究科広域システム専攻 池上研)
Title  : Microslip as a dynamical system

Abstract:
A simple recurrent neural network was constructed to simulate a novel
action selection dynamics. The selection process becomes complex when
more than two action repertoires are possible.  Even with a simple
task, one often experiences making an unintentional form of movement
or slip of action.  One example is called a microslip, named and
reported by Reed and Schoenherr.  We propose a model of such slip-like
behaviour based on the dynamical systems viewpoint.