Temperature dependent transitions of burst firing patterns in a model pyramidal neuron

L.  WANG, S.  LIU, J.  ZHANG, AND Y.  ZENG

Environmental temperature exerts significant influences on neuronal firing and information encodings.   Concepts   on  the   mechanisms  of   the   respective  effects   are  still   elusive  and  controversial.   In   our  study,   we  examined  the   effect  of   temperature  on  firing   patterns  in   a model  cortical  pyramidal  neuron.  It   was  found   that   a   variety   of   firing   patterns  is   obtained  under  different   temperatures.   In   addition,   the   transition  modes  between   these  firing   patterns display a clear periodic bifurcation phenomenon when the temperature varies within a certain range.  Several typical  bifurcation  modes were found,  in  particular period-doubling  bifurcation  and   period-adding   bifurcation.  

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