Date: 2005.4.22 (Fri) 10:30-11:45
Place: General Research Building, Room 663
Speaker: Taiki Ogata
Title: Temporal feature of interaction between human and environment
Keywords: Co-creation, Alternative Tapping, entrainment, sensory integration

Affiliation: Research into Artifacts, Center for Engineering,
Department of Precision Engineering,
Graduate School of Engineering
Position: Graduate Student
Adviser: Hajime Asama, Asama Laboratory
Disciplines: Cognitive Psychology, Complex Systems Science, Human Interface
Societies and Conferences: The Japan Society for Precision Engineering, The Society of Instrument and Control Engineers, IEEE-Roman, The Japanese psychological association

Bibliography: Taiki Ogata, Temporal feature of interaction between human and environment, Human Science Integration Seminar Abstracts, No. 1, pp. 1, 2005.
(Please use this bibliography when you cite this abstract.)

Abstract:
Humans communicate with the environment in real-time and co-create a rhythm with other people as evidenced in conversation, locomotion and musical ensembles. Real-time rhythm production, however, is complex because various time lags arise in the process of sensory-sensory integration, sensory-motor coordination, and motor execution. Humans receive timing information through visual, auditory and tactile receptors, but it remains unclear how the neurons in the brain determine the mutual timing of their firing. It is also uncertain how modality specific differences are manifested in the process of sensory-motor coordination and temporal motor control of action.
We use cognitive psychological experiments and the simulation of the human rhythm production using entrainment models by phase oscillator to elucidate human temporal co-creation with environments or other people. Time series analyses of alternate tapping with constantly paced computer signals showed some modality-specific features when the participants receive signals through visual or auditory means. Subliminally perturbed signals using sine-wave function were revealed as having effects on the participants’ tapping performance especially in visual perturbation. Results from interpersonal tapping tasks revealed the emergence of temporal co-creation, including entrainment and mutually complementary relationships depending on the sense modality. The simulation showed that visually-guided tapping should use their past performance.

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