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Cette carte de concepts créée avec IHMC CmapTools traite de: Synthetic neuronal computation, collective neuronal behavior why cultures & neuronal devices ? artificial settings we expect easier to control than brains, Tools for investigation of collective neuronal behavior, Spike Time Dependent Plasticity at population level in the different devices questions How physical constraints influence neuron growth?, Generate "rich" dynamics i.e. Processing information other than in a linear way, engineer neuronal devices specific motivation Obtain a device that "learns", a biological AI perceptron, What are the global spontaneous population activities and how do they emerge? i.e. neuronal avalanches, Excitation for optogenetics steps coupling optical fibers on chips, brainbow lines contacts Jean Livet, parameter c=1/(1+CNQX/Kd) where Kd concentration for half receptors blocked, Organized behaviors and computation in neuronal cultures Questions Synaptic plasticity with populations, Information transfer between the connected neuronal populations questions Include sensory neurons in the populations, a program that predicts the neuronal culture structure model Computational model of neuronal culture growth, Weakening of the synaptic strength achieved by Blocking AMPA-glutamate receptors of excitatory neurons, neuronal computation why cultures & neuronal devices ? artificial settings we expect easier to control than brains, Study of spontaneous neuronl population bursting activity observations Periods between bursts Spikes in burst Number of neurons in bursts Inter spike interval between bursts what are the leaders?, Power LED results April: with direct injection in fiber (no special optics) output 10mW, optimize light source approach Power LED, What are the global spontaneous population activities and how do they emerge? i.e. bursting, Network reconstruction image analysis see Eyewire a game to map the brain, neuronal computation why cultures & neuronal devices ? offers new approach for unexplored, since created, cellular behaviors