Spontaneous network activity in the form of Up and Down states plays an important role in the function of neural circuits and reflects intrinsic connectivity. Such cortical dynamics are shaped by genes, experience and intrinsic cellular properties and form the substrate upon which external stimuli and neuromodulation will impinge to determine cortical responses. Read the rest of this entry…

When visual evoked potentials (VEPs) are deployed in brain–computer interfaces (BCIs), the emphasis is put on stimulus design. In the case of transient VEPs (TVEPs) brain responses are never treated individually, i.e. on a single-trial (ST) basis, due to their poor signal quality. Therefore their main characteristic, which is the emergence during early latencies, remains unexplored. Read the rest of this entry…

Illustration/Shutterstock (by Cerebrum)

By: Richard J. Davidson, Ph.D.

Neuroimaging evidence suggests that brain connectivity circuits are highly plastic and change with experience due to emotional processing.

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The NeuroScience Gateway portal provides free access to computational neuroscientists to run parallel simulations, free of charge, on supercomputers using tools like GENESIS, NEURON, NEST, Brian, and PyNN. Read the rest of this entry…

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