Axonal conduction delays
نویسندگان
چکیده
منابع مشابه
Temporal Coding in Neuronal Populations in the Presence of Axonal and Dendritic Conduction Time Delays
Time delays are a ubiquitous feature of neuronal systems. Synaptic integration between spiking neurones is subject to time delays at the axonal and dendritic level. Recent evidence suggests that temporal coding on a millisecond time scale may be an important functional mechanism for synaptic integration. This study uses biophysical neurone models to examine the influence of dendritic and axonal...
متن کاملThe Right Delay - Detecting Specific Spike Patterns with STDP and Axonal Conduction Delays
Axonal conduction delays should not be ignored in simulations of spiking neural networks. Here it is shown that by using axonal conduction delays, neurons can display sensitivity to a specific spatiotemporal spike pattern. By using delays that complement the firing times in a pattern, spikes can arrive simultaneously at an output neuron, giving it a high chance of firing in response to that pat...
متن کاملConduction block in acute motor axonal neuropathy.
Guillain-Barré syndrome is divided into two major subtypes, acute inflammatory demyelinating polyneuropathy and acute motor axonal neuropathy. The characteristic electrophysiological features of acute motor axonal neuropathy are reduced amplitude or absence of distal compound muscle action potentials indicating axonal degeneration. In contrast, autopsy study results show early nodal changes in ...
متن کاملAction-potential modulation during axonal conduction.
Once initiated near the soma, an action potential (AP) is thought to propagate autoregeneratively and distribute uniformly over axonal arbors. We challenge this classic view by showing that APs are subject to waveform modulation while they travel down axons. Using fluorescent patch-clamp pipettes, we recorded APs from axon branches of hippocampal CA3 pyramidal neurons ex vivo. The waveforms of ...
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ross-sections, additional special factors, such as discontinuation of ntiplatelet therapy, antiplatelet resistance, intrinsic thrombogeicity, or coronary flow problems might trigger the development f LST. In comparison with previous data of 3-month follow-up (paients n 21, struts n 4,545) (3), thickness of NIH in the 2-year ollow-up group was greater than that in the 3-month follow-up roup (71 ...
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ژورنال
عنوان ژورنال: Scholarpedia
سال: 2012
ISSN: 1941-6016
DOI: 10.4249/scholarpedia.1451