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Neural stimulation technology has undergone a revolutionary advance with the introduction of light sensitive ion channels and pumps into genetically identified subsets of cells. To exploit this technology, it is necessary to incorporate optical elements into traditional electrophysiology devices. Here we describe the design, construction and use of a “hyperdrive” capable of simultaneous electrical...
The array of vibrissae on a rat's face is the first stage of a high-resolution tactile sensing system. Recently, it was discovered that vibrissae (whiskers) resonate when stimulated at specific frequencies, generating several-fold increases in motion amplitude. We investigated the neural correlates of vibrissa resonance in trigeminal ganglion and primary somatosensory cortex (SI) neurons (regular...
We analyze the control of frequency for a synchronized inhibitory neuronal network. The analysis is done for a reduced membrane model with a biophysically based synaptic influence. We argue that such a reduced model can quantitatively capture the frequency behavior of a larger class of neuronal models. We show that in different parameter regimes, the network frequency depends in different ways on...
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