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Computing the Maximum Using Presynaptic Inhibition With Glutamate Receptors (CROSBI ID 34552)

Prilog u knjizi | izvorni znanstveni rad

Domijan, Dražen ; Šetić, Mia Computing the Maximum Using Presynaptic Inhibition With Glutamate Receptors // Advances in Brain, Vision, and Artificial Intelligence : Second International Symposium BVAI 2007 : proceedings / Mele, Francesco ; Ramella, Giuliana ; Santillo, Silvia et al. (ur.). Berlin: Springer, 2007. str. 418-427

Podaci o odgovornosti

Domijan, Dražen ; Šetić, Mia

engleski

Computing the Maximum Using Presynaptic Inhibition With Glutamate Receptors

Neurophysiological investigations suggest that presynaptic ionotropic receptors are important mechanism for controlling synaptic transmission. In this paper, presynaptic kainate receptors are incorporated in a feedforward inhibitory neural network in order to investigate their role in the cortical information processing. Computer simulations showed that the proposed mechanism is able to compute the function maximum by disinhibiting the cell with the maximal amplitude. The maximum is computed with high precision even in the case where inhibitory synaptic weights are weak and (or) asymmetric. Moreover, the network is able to track time-varying input and to select multiple winners. These capabilities do not depend on the dimensionality of the network. Also, the model is able to implement the winner-take-all behaviour.

Glutamate Receptors, Winner-takes-all, Maximum Operator, Synaptic Modulation, Presynaptic Inhibition

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Podaci o prilogu

418-427.

objavljeno

Podaci o knjizi

Advances in Brain, Vision, and Artificial Intelligence : Second International Symposium BVAI 2007 : proceedings

Mele, Francesco ; Ramella, Giuliana ; Santillo, Silvia ; Ventriglia, Francesco

Berlin: Springer

2007.

978-3-540-75554-8

Povezanost rada

Računarstvo, Informacijske i komunikacijske znanosti, Psihologija