Self-regulated Learning Algorithm for Distributed Coding Based Spiking Neural Classifier

Pranav Machingal, Mohammed Thousif, Shirin Dora, Suresh Sundaram

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This paper proposes a Distributed Coding Spiking Neural Network (DC-SNN) with a self-regulated learning algorithm to deal with pattern classification problems. DC-SNN employs two hidden layers. First hidden layer has receptive field neurons that convert the real-valued input features to spike patterns and the second hidden layer employs LIF neurons with inhibitory interconnections. The second hidden layer has been termed as the distributed coding layer in the rest of the paper. The inhibitory interconnections in distributed coding layer will ensure that each neuron in this layer learns a distinct spike pattern from input feature space. The synaptic weights between layers and the weights of lateral inhibitory connections are learned using a self-regulated learning algorithm. Self-regulation identifies neurons for updating in the output layer and distributed coding layer and also adapts the learning rate based on the temporal separation between spikes in the output layer. It also skips learning from samples which are correctly classified with higher temporal separation and hence prevents over-training. The detailed performance comparisons of DC-SNN with other algorithms for SNNs in the literature using six benchmark data set from the UCI machine learning repository has been presented. Further, the performance of DC-SNN is evaluated on a real-world brain computer interface problem for classification of electroencephalogram (EEG) signals recorded during motor-imagery tasks. The results clearly indicate that the proposed DC-SNN architecture provides slightly better generalization ability and is suitable for deep spiking networks.
Original languageEnglish
Title of host publicationProceedings of International Joint Conference on Neural Networks 2020
Number of pages7
Publication statusAccepted/In press - 20 Mar 2020
Eventinternational joint conference on neural networks 2020 - Online, Glasgow, United Kingdom
Duration: 19 Jul 202024 Jul 2020

Publication series

NameProceedings of International Joint Conference on Neural Networks 2020


Conferenceinternational joint conference on neural networks 2020
Country/TerritoryUnited Kingdom


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