University of Michigan researchers are designing a computer that is modelled after a Cat brain, using a synapse like device they call a memristor. The memristor remembers past voltages it has been exposed to, and acts like a synapse rather than a simple binary transistor.
Conventional transistor computers process linear sequentially, while the use of the memristor synapse architecture will permit a more simultaneous parallel processing, like the cat brain.
The researcher has connected two electronic circuits with one memristor and demonstrated that this system is capable of a memory and learning process called "spike timing dependent plasticity." In other words, the connections between neurons are able to become stronger based on when they are stimulated in relation to each other. Spike timing dependent plasticity is thought to be the basis for memory and learning in mammalian brains.
Here's the link: http://www.ns.umich.edu/htdocs/releases/story.php?id=7633
No word on whether a functional memristor device will be able to design and develop historical longbows, (like a certain cat we know) or fixate on mice. But we have a hunch.
milo
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