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A self-organized artificial neural network architecture for sensory integration with applications to letter-phoneme integration
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Clayton School of Information Technology, CSIT, Monash University.
2011 (English)In: Neural Computation, ISSN 0899-7667, E-ISSN 1530-888X, Vol. 23, no 8, 2101-2139 p.Article in journal (Refereed) Published
Abstract [en]

The multimodal self-organizing network (MMSON), an artificial neural network architecture carrying out sensory integration, is presented here. The architecture is designed using neurophysiological findings and imaging studies that pertain to sensory integration and consists of interconnected lattices of artificial neurons. In this artificial neural architecture, the degree of recognition of stimuli, that is, the perceived reliability of stimuli in the various subnetworks, is included in the computation. The MMSON's behavior is compared to aspects of brain function that deal with sensory integration. According to human behavioral studies, integration of signals from sensory receptors of different modalities enhances perception of objects and events and also reduces time to detection. In neocortex, integration takes place in bimodal and multimodal association areas and result, not only in feedback-mediated enhanced unimodal perception and shortened reaction time, but also in robust bimodal or multimodal percepts. Simulation data from the presented artificial neural network architecture show that it replicates these important psychological and neuroscientific characteristics of sensory integration.

Place, publisher, year, edition, pages
2011. Vol. 23, no 8, 2101-2139 p.
Research subject
Industrial Electronics
URN: urn:nbn:se:ltu:diva-15007DOI: 10.1162/NECO_a_00149Local ID: e76f2112-d1ae-448f-bcb3-bf30233e9e76OAI: diva2:987980
Validerad; 2011; 20110427 (tamjan)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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Jantvik, TamasGustafsson, Lennart
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