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A good book on a rainy day is happiness for me - Ruskin Bond

Sunday, November 16, 2014


There are similes between these two : Internet and Human Brain.  Both are network of networks. Perhaps the idea of internet must have come  from the brain's way of functioning.

Human brain is the most complex  and mysterious organ in the universe.  It is a  three pound mass of jelly with 100 billion neurons, each  capable of making up to ten thousand connections with fellow neurons.

Recently Indian origin Professor Rajesh Rao of  University of Washington  has achieved a breakthrough.   He established a 'brain to brain communication' link using the Internet.
According to the experiment, 'brain to brain' connection was established between two persons sitting in different buildings. The signal from the sender's brain using EEG ( machine that records electrical activity of brain ) was interpreted by a computer and transmitted over Internet to a TSM machine (transcranial magnetic stimulation - a non-invasive method of brain stimulation that relies on electromagnetic induction using an insulated coil placed over the scalp, focused on an area of the brain thought to play a role in mood regulation) which delivered a magnetic impulse to the receiver's brain.

The experiment proved that the human brain is capable of sending a signal to another person for  motor action, like hand moving.  It  triggers  new hopes of treating cognitive disorders such as autism. 

Prof Rao's  has a lofty goal  of discovering the computational principles underlying the brain's remarkable ability to learn, process and store information, and to apply this knowledge to the task of building adaptive robotic systems and brain-computer interfaces.  Hope he would reach his goals one day !
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