Inhibitory systems are essential for controlling the pattern of activity in the cortex, which has important implications for the mechanisms of cortical operation, according to a Yale School of Medicine study in Neuron.
The findings demonstrate the inhibitory network is central to controlling not only the amplitude, extent and duration of activation of recurrent excitatory cortical networks, but also the precise timing of action potentials, and, thus, network synchronization, said David McCormick, professor of neurobiology and senior author of the study.
There are two cell types in the cortex, excitatory and inhibitory. The cortex has a tendency to make recurrent excitation, and, if not properly controlled by the inhibitory system, this could lead to seizures, as is seen in epilepsy.
Jacqueline Weaver | EurekAlert!
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Physicists have developed a new technique that uses electrical voltages to control the electron spin on a chip. The newly-developed method provides protection from spin decay, meaning that the contained information can be maintained and transmitted over comparatively large distances, as has been demonstrated by a team from the University of Basel’s Department of Physics and the Swiss Nanoscience Institute. The results have been published in Physical Review X.
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