A friend of mine from São Paulo (Brazil) sent me an interesting article about cutting edge research being conducted at the Physics Institute (Instituto de Física) at the University of São Paulo (Universidade de São Paulo, or USP for short). Last week, scientists from USP managed to connect, via artificial connections, a group of neurons belonging to a blue crab (scientific name: Callinectes sapidus) to a computer that simulates the electrical activity of one of these neurons.
The main goal behind the project is to enable the future replacement of damaged sectors of the brain with electronic prosthetics, giving major hope for the rehabilitation of paraplegic people. The experiments use a group of 11 neurons related to a group that controls the "chewing" movements of the crustacean. The replacement circuit is substituting a portion of the stomatogastric nervous system of the blue crab, which is composed by roughly 30 neurons.
The study, conducted by the Non-Linear Phenomena Laboratory (LFNL) and coordinated by Professor Reynaldo Daniel Pinto, is sponsored by two major Brazilian research foundations (FAPESP - Fundação de Amparo à Pesquisa do Estado de São Paulo and CNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico) and the NSF (National Science Foundation) / NIH (National Institutes of Health).
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