Para ilmuwan dari ATR Computational Neuroscience Laboratories, Jepang, telah menemukan cara untuk ‘membaca’ pikiran orang dengan menggunakan fMRI (pemindai gelombang elektromagnetis otak) dan menampilkan ‘gambaran pikiran’ orang tersebut di layar monitor (cara selengkapnya bisa dilihat di klip di bawah).
Pertanda bahwa kini isi otak anda tidak privat lagi? Tidak juga kalau kita melihat bahwa cara kerja metode ini masih sangat terbatas. Pertama, otak orang tersebut sebelumnya harus dibandingkan dengan database gambar yang sudah dikenal komputer sebagai pembanding awal; jadi, kita tidak bisa langsung memindai pikiran orang, apalagi tanpa ketahuan. Tambahan lagi, metode itu sampai sekarang baru bisa menafsirkan ‘pikiran’ yang hitam-putih dan berasal dari citra sederhana (seperti simbol atau huruf).
clipped from www.pinktentacle.com
The scientists were able to reconstruct various images viewed by a person by analyzing changes in their cerebral blood flow. Using a functional magnetic resonance imaging (fMRI) machine, the researchers first mapped the blood flow changes that occurred in the cerebral visual cortex as subjects viewed various images held in front of their eyes. Subjects were shown 400 random 10 x 10 pixel black-and-white images for a period of 12 seconds each. While the fMRI machine monitored the changes in brain activity, a computer crunched the data and learned to associate the various changes in brain activity with the different image designs.
Then, when the test subjects were shown a completely new set of images, such as the letters N-E-U-R-O-N, the system was able to reconstruct and display what the test subjects were viewing based solely on their brain activity.
For now, the system is only able to reproduce simple black-and-white images.
Sumber :
http://popsy.wordpress.com/2008/12/22/membaca-pikiran-dengan-menggunakan-komputer/
http://www.pinktentacle.com
