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Associative Self-Organizing Map

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Author

Summary, in English

We present a study of a novel variant of the Self-Organizing Map (SOM) called the Associative Self-Organizing Map (A-SOM). The A-SOM is similar to the SOM and thus develops a representation of its input space, but in addition it also learns to associate its activity with the activity of one or several external SOMs. The A-SOM has relevance in e.g. the modelling of expectations in one modality due to the activity invoked in another modality, and in the modelling of the neuroscientific simulation hypothesis. The paper presents the algorithm generalized to an arbitrary number of associated activities together with simulation results to find out about its performance and its ability to generalize to new inputs that it has not been trained on. The simulation results were very encouraging and confirmed the ability of the A-SOM to learn to associate the representations of its input space with the representations of the input spaces developed in two connected SOMs. Good generalization ability was also demonstrated.

Publishing year

2009

Language

English

Pages

363-370

Publication/Series

IJCCI 2009: PROCEEDINGS OF THE INTERNATIONAL JOINT CONFERENCE ON COMPUTATIONAL INTELLIGENCE

Document type

Conference paper

Publisher

Institute for Systems and Technologies of Information, Control and Communication

Topic

  • Computer Vision and Robotics (Autonomous Systems)

Keywords

  • Self-organizing map
  • Neural network
  • Associative self-Organizing map
  • A-SOM
  • SOM
  • ANN
  • Expectations
  • Simulation hypothesis
  • Cognitive modelling

Conference name

International Conference on Neural Computation (ICNC) 2009

Conference date

2009-10-05 - 2009-10-07

Conference place

Madeira, Portugal

Status

Published

Project

  • Ikaros: An infrastructure for system level modelling of the brain
  • Thinking in Time: Cognition, Communication and Learning

Research group

  • Associative Learning
  • Lund University Cognitive Science (LUCS)

ISBN/ISSN/Other

  • ISBN: 978-989-674-014-6