Logran sacar imágenes del cerebro y proyectarlas
En resumen, te enchufan unos aparatos en la cabeza, los que leen tu cerebro y proyectan imágenes guardadas en él. Ideal para aquellos que no le creen que salió con la media mina.
Con respecto al funcionamiento, es un poco complejo -para mi, por lo menos- explicarlo, asà que pego textual la explicación -publicada en FayerWayer- de cómo funciona esto:
“Como todos sabemos, la información visual ingresa a través de las retinas en ambos ojos, y se transmite por vÃas neuronales hacia la corteza occipital del cerebro, donde se procesa y se transforma en las imágenes que todos conocemos.
Este proceso que parece muy simple es realmente complejo, y es más, son muchos los circuitos y centros neuronales que participan de él, muchos de los cuales aún no son bien entendidos por los especialistas en el tema.
Recientemente en Japón, el grupo de cientÃficos de Laboratorios de Neurociencia Computacional de Japón , logró algo que parecÃa muy difÃcil de lograr: imágenes visuales desde la propia mente de la persona, para proyectarse en un monitor combinando las imágenes en escalas múltiples.
Para esto utilizaron una resonancia magnética del cerebro con software de tipo Funcional (fMRI) y en base al mapeo de la zona occipital cerebral y al cálculo de flujo sanguÃneo cerebral, mientras se les presentaban 400 imágenes aleatorias de 10×10 pixeles a los participantes en un perÃodo de 12 segundos.
Mientras que el la fMRI monitoreaba los cambios en la actividad sanguÃnea cerebral pixel por pixel, una computadora procesaba los datos asociandoactividad e imágenes. El paso siguiente fue mostrar nuevas imágenes, como la palabra N-E-U-R-O-N , y para maravilla de los cientÃficos, el software fue capaz de reconstruir y mostrar lo que estaban viendo los sujetos estudiados, sólo en base a lo aportado por su actividad cerebral.
El Dr. Kang Cheng menciona que por el momento sólo es posible recosntruir imágenes en blanco y negro, pero a futuro también podrá hacerse lo mismo con imágenes en colores.
Algunos soñadores ya piensan en poder ver las imágenes de los sueños y pensamientos, pero eso parece aún estar muy lejos de la realidad.”
- VÃa FayerWayer y Pink Tentacle
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