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دسته بندی:
شبکه های نورونی - neuron-networks
سال انتشار:
2020
عنوان انگلیسی مقاله:
Channel noise effects on neural synchronization
ترجمه فارسی عنوان مقاله:
تأثیر نویز کانال بر هماهنگی عصبی
منبع:
Sciencedirect - Elsevier - Physica A, 552 (2020) 123186. doi:10.1016/j.physa.2019.123186
نویسنده:
Brenton Maisel ∗, Katja Lindenberg
چکیده انگلیسی:
Synchronization in neural networks is believed to be linked to cognitive processes,
while abnormal synchronization has been associated with disorders such as epilepsy
and schizophrenia. We examine the synchronization of small Hodgkin–Huxley neuronal
networks. The principal features of Hodgkin–Huxley neurons are protein channels in
the neural membrane that transition between open and closed states with voltage
dependent rate constants. The standard assumption of infinitely many channels neglects
the fact that real neurons have finitely many channels, which leads to fluctuations in the
membrane voltage and modifies neuronal spike times. These fluctuations are referred to
as channel noise. We demonstrate that regardless of channel noise magnitude, neurons
in the network reach a steady state synchronization level dependent only on the
number of neurons in the network, equivalent to the steady state level of uncoupled
Poisson neurons. The channel noise only affects the time to reach the steady state
synchronization level.
Keywords: Synchronization | Hodgkin–Huxley | Channel noise | Neural network
قیمت: رایگان
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