义务教育2012高考英语:阅读理解课堂练学案(30)

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1、2012高考英语:阅读理解课堂练学案(30)(结束)PassageThirty-four(TheRelationshipbetweenBrainProcesswithMentalExperience)  By1950,theresultsofattemptstorelatebrainprocessestomentalexperienceappearedratherdiscouraging.Suchvariationsinsize,shape,chemistry,conductionspeed,excitationthreshold,andt

2、helikeashadbeendemonstratedinnervecellsremainednegligibleinsignificanceforanypossiblecorrelationwiththemanifolddimensionsofmentalexperience.  Neartheturnofthecentury,ithadbeensuggestedbyHeringthatdifferentmodesofsensation,suchaspain,tasteandcolor,mightbecorrelatedwiththedi

3、schargeofspecifickindsofnervousenergy,However,subsequentlydevelopedmethodsofrecordingandanalyzingnervepotentialsfailedtorevealanysuchqualitativediversity.Itwaspossibletodemonstratebyothermethodsrefinedstructuraldifferencesamongneurontypes;however,proofwaslackingthatthequal

4、ityoftheimpulseoritsconductionwasinfluencedbythesedifferences,whichseemedinsteadtoinfluencethedevelopmentalpatterningoftheneuralcircuits.Althoughqualitativevarianceamongnerverigidlydisproved,thedoctrinewasgenerallyabandonedinfavoroftheopposingview,namely,thatnerveimpulsesa

5、reessentiallyhomogeneousinqualityandaretransmittedas“commoncurrency”throughoutthenervoussystem.Accordingtothistheory,itisnotthequalityofthesensorynerveimpulsesthatdeterminesthediverseconscioussensationstheyproduce,but,rather,thedifferentareasofthebrainintowhichtheydischarg

6、e,andthereissomeevidenceforthisview.Inoneexperiment,whenanelectricstimuluswasappliedtoagivensensoryfieldofthecerebralcortexofaconscioushumansubject,itproducedasensationoftheappropriatemodalityforthatparticularlocus,thatis,avisualsensationfromthevisualcortex,anauditorysensa

7、tionfromtheauditorycortex,andsoon.Otherexperimentsrevealedslightvariationsinthesize,number,arrangement,andinterconnectionofthenervecells,butasforaspsychoneuralcorrelationswereconcerned,theobvioussimilaritiesofthesesensoryfieldstoeachotherseemedmuchmoreremarkablethananyofth

8、eminutedifferences.However,corticalasdiverseasthoseofred,black,greenandwhite,ortouch,cold

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《义务教育2012高考英语:阅读理解课堂练学案(30)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库

1、2012高考英语:阅读理解课堂练学案(30)(结束)PassageThirty-four(TheRelationshipbetweenBrainProcesswithMentalExperience)  By1950,theresultsofattemptstorelatebrainprocessestomentalexperienceappearedratherdiscouraging.Suchvariationsinsize,shape,chemistry,conductionspeed,excitationthreshold,andt

2、helikeashadbeendemonstratedinnervecellsremainednegligibleinsignificanceforanypossiblecorrelationwiththemanifolddimensionsofmentalexperience.  Neartheturnofthecentury,ithadbeensuggestedbyHeringthatdifferentmodesofsensation,suchaspain,tasteandcolor,mightbecorrelatedwiththedi

3、schargeofspecifickindsofnervousenergy,However,subsequentlydevelopedmethodsofrecordingandanalyzingnervepotentialsfailedtorevealanysuchqualitativediversity.Itwaspossibletodemonstratebyothermethodsrefinedstructuraldifferencesamongneurontypes;however,proofwaslackingthatthequal

4、ityoftheimpulseoritsconductionwasinfluencedbythesedifferences,whichseemedinsteadtoinfluencethedevelopmentalpatterningoftheneuralcircuits.Althoughqualitativevarianceamongnerverigidlydisproved,thedoctrinewasgenerallyabandonedinfavoroftheopposingview,namely,thatnerveimpulsesa

5、reessentiallyhomogeneousinqualityandaretransmittedas“commoncurrency”throughoutthenervoussystem.Accordingtothistheory,itisnotthequalityofthesensorynerveimpulsesthatdeterminesthediverseconscioussensationstheyproduce,but,rather,thedifferentareasofthebrainintowhichtheydischarg

6、e,andthereissomeevidenceforthisview.Inoneexperiment,whenanelectricstimuluswasappliedtoagivensensoryfieldofthecerebralcortexofaconscioushumansubject,itproducedasensationoftheappropriatemodalityforthatparticularlocus,thatis,avisualsensationfromthevisualcortex,anauditorysensa

7、tionfromtheauditorycortex,andsoon.Otherexperimentsrevealedslightvariationsinthesize,number,arrangement,andinterconnectionofthenervecells,butasforaspsychoneuralcorrelationswereconcerned,theobvioussimilaritiesofthesesensoryfieldstoeachotherseemedmuchmoreremarkablethananyofth

8、eminutedifferences.However,corticalasdiverseasthoseofred,black,greenandwhite,ortouch,cold

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