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Pregled bibliografske jedinice broj: 310133

Poglavlje/Rad u knjizi

Autori: Domijan, Dražen; Šetić, Mia
Naslov: Computing the Maximum Using Presynaptic Inhibition With Glutamate Receptors
Knjiga: Advances in Brain, Vision, and Artificial Intelligence : Second International Symposium BVAI 2007 : proceedings
Urednik/ci: Mele, Francesco ; Ramella, Giuliana ; Santillo, Silvia ; Ventriglia, Francesco
Izdavač: Springer
Grad: Berlin
Godina: 2007
Serija: Lecture Notes in Computer Science. Vol. 4729
Raspon stranica:: 418-427
Ukupni broj stranica u knjizi:: 618
ISBN: 978-3-540-75554-8
Ključne riječi: Glutamate Receptors, Winner-takes-all, Maximum Operator, Synaptic Modulation, Presynaptic Inhibition
Sažetak:
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.
Projekt / tema: 009-0362214-0818
Izvorni jezik: ENG
Kategorija: Znanstveni
Znanstvena područja:
Računarstvo,Informacijske i komunikacijske znanosti,Psihologija
Upisao u CROSBI: Dražen Domijan (ddomijan@ffri.hr), 5. Stu. 2007. u 15:05 sati



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