资源描述：
《Long-term meditators self-induce high-amplitude gamma synchrony during mental practice.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、Long-termmeditatorsself-inducehigh-amplitudegammasynchronyduringmentalpracticeAntoineLutz*,LawrenceL.Greischar*,NancyB.Rawlings*,MatthieuRicard,andRichardJ.Davidson**W.M.KeckLaboratoryforFunctionalBrainImagingandBehavior,WaismanCenter,andLaboratoryforAffectiveNeuroscience,Depart
2、mentofPsychology,UniversityofWisconsin,1500HighlandAvenue,Madison,WI53705;andShechenMonastery,P.O.Box136,Kathmandu,NepalCommunicatedbyBurtonH.Singer,PrincetonUniversity,Princeton,NJ,October6,2004(receivedforreviewAugust26,2004)Practitionersunderstandmeditation,ormentaltraining,t
3、obeaMeditativeInstruction.Thestateofunconditionalloving-kindnessprocessoffamiliarizationwithonesownmentallifeleadingtoandcompassionisdescribedasan‘‘unrestrictedreadinessandlong-lastingchangesincognitionandemotion.Littleisknownavailabilitytohelplivingbeings.’’Thispracticedoesnotr
4、equireaboutthisprocessanditsimpactonthebrain.Herewefindthatconcentrationonparticularobjects,memories,orimages,al-long-termBuddhistpractitionersself-inducesustainedelectroen-thoughinothermeditationsthatarealsopartoftheirlong-termcephalographichigh-amplitudegamma-bandoscillationsan
5、dtraining,practitionersfocusonparticularpersonsorgroupsofphase-synchronyduringmeditation.Theseelectroencephalogrambeings.Because‘‘benevolenceandcompassionpervadesthepatternsdifferfromthoseofcontrols,inparticularoverlateralmindasawayofbeing,’’thisstateiscalled‘‘purecompassion’’fr
6、ontoparietalelectrodes.Inaddition,theratioofgamma-bandor‘‘nonreferentialcompassion’’(dmigsmedsnyingrjeinTi-activity(2542Hz)toslowoscillatoryactivity(413Hz)isinitiallybetan).Aweekbeforethecollectionofthedata,meditativehigherintherestingbaselinebeforemeditationforthepractitio-inst
7、ructionsweregiventothecontrolsubjects,whowereaskednersthanthecontrolsovermedialfrontoparietalelectrodes.Thistopracticedailyfor1h.ThequalityoftheirtrainingwasverballydifferenceincreasessharplyduringmeditationovermostoftheassessedbeforeEEGcollection.Duringthetrainingsession,thesca
8、lpelectrodesandremainshigherthantheinitialbasel
