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Pulse-frequency-dependent resonance in a population of pyramidal neuron models
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Pulse-frequency-dependent resonance in a population of pyramidal neuron models
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Journal Article
Pulse-frequency-dependent resonance in a population of pyramidal neuron models
2022
Overview
Stochastic resonance is known as a phenomenon whereby information transmission of weak signal or subthreshold stimuli can be enhanced by additive random noise with a suitable intensity. Another phenomenon induced by applying deterministic pulsatile electric stimuli with a pulse frequency, commonly used for deep brain stimulation (DBS), was also shown to improve signal-to-noise ratio in neuron models. The objective of this study was to test the hypothesis that pulsatile high-frequency stimulation could improve the detection of both sub- and suprathreshold synaptic stimuli by tuning the frequency of the stimulation in a population of pyramidal neuron models. Computer simulations showed that mutual information estimated from a population of neural spike trains displayed a typical resonance curve with a peak value of the pulse frequency at 80–120 Hz, similar to those utilized for DBS in clinical situations. It is concluded that a “pulse-frequency-dependent resonance” (PFDR) can enhance information transmission over a broad range of synaptically connected networks. Since the resonance frequency matches that used clinically, PFDR could contribute to the mechanism of the therapeutic effect of DBS.
Publisher
Springer Nature B.V
Subject
