Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/42746
Título: Systems approach to attention mechanisms in the visual pathway
Autores/as: Moreno-Díaz, Roberto 
Quevedo-Losada, Juan Carlos 
Quesada-Arencibia, Alexis 
Clasificación UNESCO: 1203 Ciencia de los ordenadores
120304 Inteligencia artificial
Palabras clave: Visual Pathway
Attention Mechanism
Presynaptic Inhibition
Movement Discrimination
Invariant Computation, et al.
Fecha de publicación: 2000
Publicación seriada: Lecture Notes in Computer Science 
Conferencia: 7th International Workshop on Computer Aided Systems Theory, EUROCAST 1999 
Resumen: Presynaptic Inhibition (PI) basically consists of the strong suppression of a neuron’s response before the stimulus reaches the synaptic terminals mediated by a second, inhibitory, neuron. It has a long lasting effect, greatly potentiated by the action of anaesthetics, that has been observed in motorneurons and in several other places of nervous systems, mainly in sensory processing. In this paper we will focus on several different ways of modelling the effect of Presynaptic Inhibition(PI) in the visual pathway as well as the different artificial counterparts derived from such modelling, mainly in two directions: the possibility of computing invariant representations against general changes in illumination of the input image impinging the retina (which is equivalent to a low-level non linear information processing filter) and the role of PI as selector of sets of stimulae that have to be derived to higher brain areas, which, in turn, is equivalent to a “higher-level filter” of information, in the sense of “filtering” the possible semantic content of the information that is allowed to reach later stages of processing.
URI: http://hdl.handle.net/10553/42746
ISBN: 978-3-540-67822-9
ISSN: 0302-9743
DOI: 10.1007/10720123_43
Fuente: Kopacek P., Moreno-Díaz R., Pichler F. (eds) Computer Aided Systems Theory - EUROCAST’99. EUROCAST 1999. Lecture Notes in Computer Science, vol 1798. Springer, Berlin, Heidelberg
Colección:Actas de congresos
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