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Diseño de redes neuronales artificiales en neurociencias

Authors: Porras Chavarino, Carmen; Salinas Martínez de Lecea, José María;

Diseño de redes neuronales artificiales en neurociencias

Abstract

Este artículo prueba la utilidad de los modelos de redes neuronales artificiales para confirmar relaciones entre cambios fisiológicos y cognitivos. Concretamente, se exploran las consecuencias que las dificultades de neurotransmisión, característica del envejecimiento cerebral, suponen en la respuesta de ancianos en tareas de reconocimiento. Así, la red diseñada es capaz de reconocer patrones aprendidos y cuando se manipula el umbral de activación de algunas unidades del dispositivo se reproducen los resultados experimentales de los ancianos en tareas de reconocimiento. Sin embargo, las aportaciones más novedosas corresponden al diseño y funcionamiento de la red inspirados en rasgos biológicos del sistema nervioso, así como en la codificación de la información, basada en los sistemas sensoriales, y el proceso de ortogonalización que tiene lugar cuando se transmite la información a unidades ocultas del dispositivo.

Colegio Oficial de Psicólogos de Asturias; Calle Ildefonso Sánchez del Río, 4-1 B; 33001 Oviedo; Tel. +34985285778; Fax +34985281374;

Universidad de Oviedo. Facultad de Psicología; Plaza Feijoo, s. n.; 33003 Oviedo; Tel. +34985104146; Fax +34985104126;

Resumen tomado de la publicación

ESP

Keywords

memoria, proceso cognitivo, resultado de investigación, modelo matemático, psicofisiología

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green