quinta-feira, 14 de agosto de 2008

Robô funciona com 'cérebro' feito de neurônios de verdade no Reino Unido

Colocadas em meio de cultura, células transmitem instruções via sistema Bluetooth.
Intenção dos pesquisadores da Universidade de Reading é estudar memória humana.

Pesquisadores da Universidade de Reading, no Reino Unido, criaram uma forma fascinante e inusitada de ciborgue: um conjunto de neurônios (células nervosas) que controla um robozinho em laboratório. A colônia neuronal, cultivada numa placa de vidro, está colocada sobre um conjunto de multieletrodos (MEA, na sigla inglesa), que captura os sinais elétricos que chegam dessas células. Sempre que o robô se aproxima de um objeto, manda sinais de volta para os neurônios. Dessa maneira, os cientistas britânicos esperam que a rede neurológica "aprenda" a se desviar de objetos e "memorize" caminhos. A idéia é usar o sistema para estudar o funcionamento do cérebro.

Fonte:

http://g1.globo.com/Noticias/Ciencia/0,,MUL722749-5603,00.html

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