Olfactory Bulb Implementations for Spatiotemporal Processing of Odour Information

1 Olfactory Bulb Implementations for Spatiotemporal Processing of Odour Information 

The neurons themselves have been modelled as integrate-and-fire units. Below the threshold Ve, the dynamics of the membrane potential V t) of the IF neuron are defined by the equation 

The model also includes dynamical synapses based upon first order dynamics. In this case, currents generated by a synapse in response to a spike train is through an exponential decay over multiple spike inputs occurring at times (fi, tx,.. . t ) to 

Given a learnt Odour A, an indicator function of all M/T cell firing rates can be defined 

In order to demonstrate the classification properties of the OB model, the same network was subjected to two arbitrary but constant input patterns (that we term Odour A and Odour B ), representing the receptor response to distinct odours at the input. 

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