Neural network architectures: an introduction
Neural network architectures: an introduction
Neural computation and self-organizing maps: an introduction
Neural computation and self-organizing maps: an introduction
Computational model of the bat auditory periphery
Mathematical and Computer Modelling: An International Journal
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A self-organizing neural network model called CORMAP has been developed to represent the tonotopic organization of the auditory cortex of an FM bat. The map self-organizes purely based on external input stimulus parameters. The weights in the competitive layer self-organizes into a topological map of the input space. This process in turn allows the representation of the similarity of inputs into the proximity of excited neurons. An additional output layer interconnected with the self-organized layer in the CORMAP model provides a mechanism to observe the functional characteristics of individual neurons. The CORMAP model is biologically motivated and the functional characteristics of the neuron used in the self-organizing layer were obtained directly from neurophysiological experiments. CORMAP demonstrates a plausible model for representing cortical activities in response to external stimulus inputs.