Rafael C. Pinto,  Paulo Martins Engel. 

This paper introduces feedback connections into a previously proposed model of the simple and complex neurons of the neocortex. The original model considers only feedforward connections between a SOM (Self-Organizing Map) and a RSOM (Recurrent SOM). A variant of the SOM-RSOM pair is proposed, called LoopSOM. The RSOM sends predictions to the SOM, providing more robust pattern classification/recognition and solving ambiguities.

http://www.lbd.dcc.ufmg.br/colecoes/enia/2009/029.pdf

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