%0 Journal Article
%T AdaptationtovisualstimulationmodifiestheburstfiringpropertyofV1neurons
%A Rui-Long LIU
%A Ke WANG
%A Jian-Jun MENG
%A Tian-Miao HUA
%A Zhen LIANG
%A Min-Min XI
%J 动物学研究
%D 2013
%R 10.11813/j.issn.0254-5853.2013.E3.E101
%X Themeanfiringrateofvisualcorticalneuronsisreducedafterprolongedvisualstimulation,buttheunderlyingprocessbywhichthisoccursaswellasthebiologicalsignificanceofthisphenomenonremainsunknown.Computationalneurosciencestudiesindicatethathigh-frequencyburstsinstimulus-drivenresponsescanbetransmittedacrosssynapsesmorereliablythanisolatedspikes,andthusmaycarryaccuratestimulus-relatedinformation.OurresearchexaminedwhetherornotadaptationaffectstheburstfiringpropertyofvisualcorticalneuronsbyexaminingchangesintheburstfiringchangesofV1neuronsduringadaptationtothepreferredvisualstimulus.Theresultsshowthatadaptationtoprolongedvisualstimulationsignificantlydecreasedburstfrequency(bursts/s)andburstlength(spikes/burst),butincreasedburstdurationandtheinterspikeintervalwithinbursts.TheseresultssuggestthattheadaptationofV1neuronstovisualstimulationmayresultinadecreaseoffeedforwardresponsegainbutanincreaseoffunctionalactivitiesfromlateraland/orfeedbackconnections,whichcouldleadtoareductionintheeffectivenessofadaptedneuronsintransmittinginformationtoitsdrivenneurons.
%K Visualadaptation
%K Burstfiring
%K Neurons
%K Primaryvisualcortex
%K Cat
%U http://www.zoores.ac.cn/CN/abstract/abstract3351.shtml