Journal
CHINESE PHYSICS B
Volume 24, Issue 12, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1674-1056/24/12/128709
Keywords
autapse; firing pattern; self-delay feedback; single neuron
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Funding
- National Natural Science Foundation of China [11275084, 11447027]
- Fundamental Research Funds for the Central Universities, China [GK201503025]
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Autapses are synapses that connect a neuron to itself in the nervous system. Previously, both experimental and theoretical studies have demonstrated that autaptic connections in the nervous system have a significant physiological function. Autapses in nature provide self-delayed feedback, thus introducing an additional timescale to neuronal activities and causing many dynamic behaviors in neurons. Recently, theoretical studies have revealed that an autapse provides a control option for adjusting the response of a neuron: e.g., an autaptic connection can cause the electrical activities of the Hindmarsh-Rose neuron to switch between quiescent, periodic, and chaotic firing patterns; an autapse can enhance or suppress the mode-locking status of a neuron injected with sinusoidal current; and the firing frequency and interspike interval distributions of the response spike train can also be modified by the autapse. In this paper, we review recent studies that showed how an autapse affects the response of a single neuron.
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