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We study the capacity of Hodgkin–Huxley neuron in a network to change temporarily or permanently their connections and behavior, the so called spike timing-dependent plasticity (STDP), as a function of their synchronous behavior. We consider STDP of excitatory and inhibitory synapses driven by Hebbian rules. We show that the final state of networks evolved by a STDP depend on the initial network configuration...
In this paper, we study the effects of spike timing-dependent plasticity on synchronisation in a network of Hodgkin–Huxley neurons. Neuron plasticity is a flexible property of a neuron and its network to change temporarily or permanently their biochemical, physiological, and morphological characteristics, in order to adapt to the environment. Regarding the plasticity, we consider Hebbian rules, specifically...
We retrospectively reviewed 15 adult patients (11 males, median age 34 years; range 23–48) who had been treated and followed in our Institution since 1991 from the time of diagnosis until death or last follow-up in December 2001. Headache was the most frequent symptom (93%). The tumor was hemispheric in 11 patients. Complete resection was achieved in eight. CSF in 12 patients and craniospinal MRI...
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