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23 de septiembre de 2023
Les trae de cabeza
EEUU busca curar enfermedades mentales con implantes cerebrales El ejército estadounidense ya está desarrollando estos sistemas martes 12 de diciembre de 2017 10:20 Chips intracraneales para eliminar la depresión, entre otras cosas
Las enfermedades mentales del futuro no se tratarán ni con pastillas ni con terapias psicológicas: se tratarán con implantes cerebrales, estimulaciones eléctricas y mucha inteligencia artificial. Y quién dice del futuro, dice del presente, porque según presentaron recientemente dos equipos científicos diferentes, es una tecnología que ya se está probando en humanos.
Financiados por DARPA, la agencia de investigación avanzada del ejército norteamericano, estos investigadores están desarrollando algoritmos que permitan “curar” los trastornos de ánimo en tiempo real.
La tecnología de estimulación cerebral profunda es una vieja conocida que se usa para abordar enfermedades neurodegenerativas como el Parkinson con buenos resultados. Sin embargo, con enfermedades psiquiátricas no hubo de momento tanta suerte. En buena medida porque existe una idea muy preliminar de cómo es un “cerebro deprimido”.
Por eso, los investigadores han querido empezar por usar los mismos implantes para desarrollar una suerte de mapa neuronal de los estados de ánimo y los trastornos psicológicos. Sobre él, una serie de algoritmos trabajarían para detectarlo y corregirlo conforme se dan esas alteraciones.
La clave, según explicaron en la última reunión de la Sociedad Norteamericana de Neurología, es que han diseñado los implantes específicamente para este tipo de enfermedades y que están programados para que solo se enciendan cuando es necesario. "Hemos aprendido mucho sobre lo que podemos hacer y lo que no", explicó Edward Chang de la Universidad de California en San Francisco.
En efecto, el Ejército de EEUU es uno de los principales interesados en conseguir que esta tecnología funcione. Y no sólo porque se trataría de una forma ayudar a los muchos soldados que sufren síndromes de estrés post-traumático y otras enfermedades mentales. A nadie se le escapa que la posibilidad real de conseguir que los soldados estén al cien por cien de sus capacidades puede ser el arma definitiva.