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H96
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  ID H96  
  Title Low-threshold calcium currents in central nervous system neurons.  
  Year 1996  
  Journal Chapter Book J  
  Abstract The low-threshold calcium current, or T current, has recently been demonstrated
with voltage-clamp recordings in a variety of central nervous system (CNS)
neurons. It is especially prominent in the soma and dendrites of neurons with
robust calcium-dependent burst firing behaviors such as thalamic relay neurons
and cerebellar Purkinje cells. Single-channel and macroscopic current behavior
have been carefully investigated and kinetic schemes devised to completely
describe the activation and inactivation processes. The kinetic properties of
T current lead to activation of low-threshold spikes subsequent to transient
membrane hyperpolarizations. Putative functional roles for T current include
generation of low-threshold spikes that lead to burst firing, promotion of
intrinsic oscillatory behavior, boosting of calcium entry, and synaptic
potentiation.
 
  IonicCurrents y  
  IonicConductances y  
  SynapticCurrents n  
  Connectivity n  
  Morphology n  
  FiringProperties n  
  PhysicalCopy  
  Comments DATA NOT ENTERED: Comparative review on biophysical properties, pharmacology,
localization and function of T-type calcium current. Very few data from
neocortical preparations.
 
  dbCollator JDJ  
  URL    
  Gen Abstract 0  
dbCollators.Initials Ref. JDJ  
Literature Books.ID Literature Ref.    
BrainMaps.ID Ref.    
Literature BookChapters.ID Literature Ref.    
Literature JournalArticles.ID Literature Ref. H96  
Literature LinkTable.ID Literature Ref. H96  
Methods Electrophysiology.ID Literature Ref.    
Neurons.ID Literature Ref.    

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