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curiosoperoinutil.com :: Ver Tema - ¿Cómo funciona un cerebro?
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¿Cómo funciona un cerebro?
https://curiosoperoinutil.com/forum/viewtopic.php?f=2&t=4016
Página 1 de 2

Autor:  Javier [ Vie 11 May 2007, 11:20 ]
Asunto:  ¿Cómo funciona un cerebro?


Autor:  el gato cuantico [ Vie 11 May 2007, 11:27 ]
Asunto: 


Autor:  guiru [ Vie 11 May 2007, 12:46 ]
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Autor:  elviruca [ Vie 11 May 2007, 13:41 ]
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Autor:  Pamplina [ Vie 11 May 2007, 15:19 ]
Asunto:  Re: ¿Cómo funciona un cerebro?


Autor:  Pamplina [ Vie 11 May 2007, 15:25 ]
Asunto: 


Autor:  Davidmh [ Vie 11 May 2007, 15:42 ]
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Autor:  Bacterio [ Vie 11 May 2007, 16:26 ]
Asunto: 

[Piscinazo]

Yo creo que se dice que sólo se utiliza ese porcentaje del cerebro, porque es un órgano muy especializado. Es decir, que no utilizas la misma parte cuando haces una raíz cuadrada que cuando pintas un cuadro. Claro, que también hay partes que siempre están en funcionamiento.

[/Piscinazo]

Me habré equivocado muy mucho, pero bueno... :roll:

Autor:  ocularis [ Vie 11 May 2007, 17:50 ]
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Autor:  Davidmh [ Sab 12 May 2007, 00:57 ]
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Autor:  rmcantin [ Sab 12 May 2007, 02:02 ]
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Autor:  Áuryn [ Sab 12 May 2007, 10:51 ]
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Autor:  ocularis [ Sab 12 May 2007, 11:46 ]
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Autor:  rmcantin [ Sab 12 May 2007, 19:04 ]
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Autor:  Ender [ Sab 12 May 2007, 20:01 ]
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Autor:  ocularis [ Sab 12 May 2007, 21:33 ]
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Autor:  rmcantin [ Sab 12 May 2007, 22:07 ]
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Autor:  Pipistrellum [ Dom 13 May 2007, 07:00 ]
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Autor:  ocularis [ Dom 13 May 2007, 23:59 ]
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Autor:  Dj Mystic [ Lun 14 May 2007, 00:56 ]
Asunto: 

¿Te preguntas cómo funciona nuestro cerebro?

¿Te preguntas si sería posible diseñar algo parecido con electrónica y/o informática?

BIENVENIDO AL APASIONANTE MUNDO DE LAS REDES NEURALES ARTIFICIALES

http://electronica.com.mx/neural/

Las RNA son modelos simplificados de los comportamientos estudiados durante décadas de sus equivalentes biológicos.

Se ha conseguido construir redes neurales capaces de "adivinar" un objeto símplemente haciendo preguntas cuyas respuestas son áltamente subjetivas (Es decir, dependen del criterio del individuo ya que no son verdades absolutas).

http://www.20q.net/

Reconocedores de voz, de caracteres, de formas, de caras (o de sexo),...

Resolución aproximada de problemas NP-Completos (el problema del vendedor ambulante que quiere ahorrar minimizando el trayecto, por ejemplo)

Y en general problemas que solemos resolver nosotros bastante bien pero que a las máquinas les cuesta bastante, son problemas donde pueden ser resueltos con la ayuda de redes neurales artificiales.

Autor:  rmcantin [ Lun 14 May 2007, 06:40 ]
Asunto: 

No, otra vez no :D (me siento como KillerRex y el efecto Coanda)

He repetido varias veces en el foro, que un sistema de redes neuronales artificiales no tiene nada, en absoluto, cero que ver con sus homologos naturales.

http://curiosoperoinutil.com/forum/view ... 0093#70093
http://curiosoperoinutil.com/forum/view ... 5020#15020
http://curiosoperoinutil.com/forum/view ... 5684#25684
http://curiosoperoinutil.com/forum/view ... 5886#25886

Por cierto, el 20q no es una red neuronal, es un sistema experto. Utiliza un sencillo algoritmo de aprendizaje de reglas. Es lo primero que se suele enseñar a programar en IA.

Y las redes neuronales no se aplican a situaciones "que a nosotros se nos dan bien". Porque... a ver quien es el guapo que resuelve el problema del viajante para n > 50 :D

Autor:  Davidmh [ Lun 14 May 2007, 15:18 ]
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Autor:  javi-san [ Lun 14 May 2007, 15:58 ]
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Autor:  ocularis [ Mar 15 May 2007, 00:55 ]
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Autor:  Caronte [ Mar 15 May 2007, 11:27 ]
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Autor:  Pipistrellum [ Mar 15 May 2007, 14:56 ]
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Autor:  Davidmh [ Mar 15 May 2007, 15:17 ]
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Autor:  Caronte [ Mar 15 May 2007, 17:59 ]
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Autor:  javi-san [ Mié 16 May 2007, 00:07 ]
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Autor:  Heimy [ Mié 16 May 2007, 00:42 ]
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