The neurophonetic model of speech processing ACT: structure, knowledge acquisition, and function modes

Authors:
Bernd J. Kröger;Jim Kannampuzha;Cornelia Eckers;Stefan Heim;Emily Kaufmann;Christiane Neuschaefer-Rube
Affiliations:
Department of Phoniatrics, Pedaudiology, and Communication Disorders, University Hospital Aachen and RWTH Aachen University, Germany;Department of Phoniatrics, Pedaudiology, and Communication Disorders, University Hospital Aachen and RWTH Aachen University, Germany;Department of Phoniatrics, Pedaudiology, and Communication Disorders, University Hospital Aachen and RWTH Aachen University, Germany;Section Functional Brain Mapping, Dept. of Psychiatry, Psychotherapy, and Psychosomatics, Univ. Hosp. Aachen and RWTH Aachen Univ., Germany, Section Neurological Cognition Res., Dept. of Neurology ...;Education and Rehabilitation of the Deaf and Hard of Hearing, University of Cologne, Germany;Department of Phoniatrics, Pedaudiology, and Communication Disorders, University Hospital Aachen and RWTH Aachen University, Germany
Venue:
COST'11 Proceedings of the 2011 international conference on Cognitive Behavioural Systems
Year:
2011

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Abstract

Speech production and speech perception are important human capabilities comprising cognitive as well as sensorimotor functions. This paper summarizes our work developing a neurophonetic model for speech processing, called ACT, which was carried out over the last seven years. The function modes of the model are production, perception, and acquisition. The name of our model reflects the fact that vocal tract ACTions, which constitute motor plans of speech items, are the central units in this model. Specifically (i) the structure of the model, (ii) the acquired knowledge, and (iii) the correspondence between the model's structure and specific brain regions are discussed.