brain tech 2015
Post on 16-Jul-2015
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But it’s complicated A human brain has: – 1011 neurons – Each neuron connected to 10,000 others
(synapse) – 1014 - 1015 synapses
In 1*1*1 mm of cortex: – 100,000 neurons – 100 million synapses – 4 km of cables
The Brain
• Complex functions • Robust • Low energy consumption • Adaptive • Highly connected • Parallel computing
Brain is better at “life” tasks
Trying to mimic brain function is expensive & hard: – Object recognition – Language – Self driving cars
BUT
• We can tap into brain computing without having to imitate it
• Machines can do things a human brain can’t
Neuro Prosthetics
• Cochlear implants • Artificial eyes – webcam vision • Thought-powered limbs - BrainGate
Restoring Memory
Hippocampal chip fixes ability to remember in patients with Alzheimer’s – Rats & monkeys – Human trials
Hacking your brain
• Erasing memories & implanting new ones • Stealing memories & thoughts • Cyber-security à mind-security
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