Shadows of the Mind: A Search for the Missing Science of Consciousness

477 Pages·1994·5.34 MB·English

by  Roger Penrose

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(continouednboc k flop} OXFORD UNIVERSITY PRESS
•
ISBN 0--1895397-98
9 7801 780
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ROGER PENROSE
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PREFACE
Thbiosmo akby er egardseodsm eea,n s ss,aee qtiuThone eE l m peNreowr 's
Mi(nhdae brber eEvNiM)Ia.nt deIed e scdho,an lttliht nehu eem EeN Mth at
initbiuwatht Iahe tad tv,soe a h yec rabenre e eandt iinrdeelpyeo tnfhd aetn tly
bokoP.a ortfth et imvofarotw irioatngi aonintgn h s iusba jreoocsrtie g inally
forma n efeoddr e tarielpteloadin eusm obqfeu re arnicder si ttihcaits ms
varpieoouhpsal rveae i iscneo dn newciattrihgo unpm ueftnot rswi anr d
ENM.H owevIse hrba,pel r le saec nahtseietrn hega tc sotmpaolnnied ttses l y
owann wdh ich seoxmnpeeliw od reeass goitnhgoo sEfweN Me .ll beyond
Onoef ctehnteth reaomlEfe N sMh abde meync onttehnbatuytis o oeofn u r
conscwieoa uresenn aetbspolse e rdfa ocrttmih oants lainey bkeiynodn do f
computaacittvi.iH otownyeavlie nr ,E tNhiMid swe aas preas ented as
sometwehnathtay tpioivtasehn,t ed hs wearase cevratgauaiesnnw ehtsaost
typoepfsr ocmeidgubhrete encuonmdpteahhrsee s aedodi'f nc go mputa­
tioanciatv.liT thpyer' evsoelnputrm oevw ihIdab etes lt iboeae mv uecm hoe r
porwfeaunlrd i gocrafosouers g etnheirsla uls,a i ncoidoant np cptlaoin eys
kionfcd o mputatiwohnaatMleo verpeorrvao.e c rfme,aose rrsp lausible
suggtehscatoniub olpenrd o viiEndN eMipd sr eshee,nfr toaemer ed c hanism
ibnr afnuicnt wihoenra ne obny- compphuytasacitotcinmiao ilngi ahnltd eed
undeoruclroi nes ccioonutbsrelohyla lveido ur.
Myc ahsatesw d oi ssttirntaciontOt d n.ose tf hieesss es ennetgi,aia tnli lvye
thIaa rtg suter aognagtilhcnyeos mtm hoenvllidye wtphooaiuctnro t n scious
mentalailotlify t -sii onmvu aasenr sitfati,oi npnsr -cionbuceflil udpllye ,
underisntt eoroomfcds o mputmaotldiseTo.hno eat lhs etrrt aomn yd
reasiosn iitpniiogtnvs h ese,e ntshieart te praeg seennustiesna feroa cr h
menasw,i tthhiceno nstorfta hien fthcasat orsfsd c iewnhceera,e by
sciendteisficcrbairlbalaiybnb l aemeb ti lmogea h kutes o esf u btllaer gaenldy
unknpohwynsp ircianlco irpdtlepoere s r ftiohnnre em e ndoecndo- mputa­
tioanciato.ln s
Ina ccorwdiatnhcd eiht cohtiotsmh ayer, g umientn hbtioss o akr e
vi Prfaece
presientn wtsoee dp apra.arP ttaesIrp tr ovait dhueogsrah on dde tailed
disicosunts,rs osunpgplmoyyr t thietnshcgiao stin osucsininetp sassr ,t icular
maensitfaittnhi heou nm qauna ol'fiu tnyd er,is dsto ainsndogim negt'hing
thmaetr e cocmanpnouIttm .aa tkcielo etnah rat t et'rhcmeo mputation'
inclbuodt'ehts o p-sdymosswtw,neh 'ia ccahtc cotrosd piencgi fic well­
unrdsetaologdo rpirtohcmeaidn'cudb r oetsts,oy mmss-wt,uhe pia'crm heoe r
loeolpsyr ogriawnma mtyehsdaa ltlt ohwte lome baryen x perCieenntcrea.l
tot haer guomfeP naItri,stts h fema outsh eoorfGe omda enlad,v ery
thoreoxuagmhi onfa trtieholenei vmapnltio cfGa otdietolhn'essoi r se m
prov.Ti hdgiersde eaxttleeyan rdalsri geurpm reonvtbisyGd oedhdei lm self,
bNya gaenNldew maannb,dyL u c;a aasltnlhdv e a roijboceutsit ohInaa stm
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thinmkuisintng d ienevdio nlgvree tdhicaeatnn btnesoe tv esni mulated
adeqbuyma etcerolemy p iuo;stn taliteclsolsuc lodm piuootnifa,t t asle,ol nfe
evoaknceyo nsfceeiloiounirgns ts oe n.Ans ctciortdhmiein mngudli synt,d eed
bes ometthhcaiatnn gbn edo ets ciranin kbyie ondcfd o mputtametsri.o nal
InP aIrItt, ha er gutmuetrnopnt h sy asnitdcob s i o.lT ohlgeiy onfe
resaontihunoggch,o ntpaoirntiwinhogian crdshee cimdoeertd elnyt ative
thtahnre gi ordoiussc oufPs asIrir,toe np raeg seennuatitsnt eet mop t
underhsotwa nnsodun c-hc omapcuttmiaiotgnih otn aaslrc iiseen twiifit­hin
calcloym prephheynssliia.cbwT alshlebe a spirci nocfiq pulaenst um
mechaarniein ctsr aorfdeuscbhee-diin tnor gte qutihtrahertede ahdaevre
anpyr ikonro wloefqd ugaent thue.mTo hrpeyu zzslp,ea rxae,das ond
mystoetfrh siauetbs aj raeenc atl iysnso edmdee p, u tshiann ugm obnfee rw
examplgersa pwhihiliclcauthlsh iltemyr p aotrreot olanfeno stn a-llaiontcdy
courncftatetuyaa,lno iddf e iespesr sua ibsyte hpdeh enoomqfeu naonnt um
entaenn.gst lhIeaa mrlgslut erf oonanrg e leyad f nufdoarm cehnat,ana atgl e
certain clleeivoaneur lprl,r y eq suseapnentct iufime-wdmol ervdci-h.ea wnical
(These cildoetsaores el cywre oenrbltkyGa htei r,Da ir,6ad sniiodt h.e)r s
Thearrseei gniefirceabnnectte wtsdeh iieedffn te haIass t ha arlgfluo here re
antdh opsreo mioEntN eM.d
Ia ms uggetshtapithn ygas n iocna-lca obmipluittyfo-arnn e eded
explaonfa nttoihnoe-n c omiponuu ctroa nbsiaclciitotiuyos na stt-h einst ers
le.vA eclcorIdr ienqgtulhiyar,te tahtwe h itlchehpiv hsey lsn iocna­l
computisasib ginlmiiufithscyata iv nmetp oritbnar naacicientoI nit.hs e re
whemrype r epsreonptdo isffmaeolrsss ut b stfaornmtt hiooasEfleN Ml .yI
argtuhweah te rneeuarso nm awsyei blgelnh aaaclsvls ea sdseitcearlmliyn ate
evnettshs,ey nacpotninceb cettiwnoeeneusnar roceno sn taratod leleepde r
le,wv heeliirttse bo ee x petchttahetied isr m ep oprhtyasanictct aaittvlh i et y
quantumb-colradseTsrhislecpi aenlce i.fi cI a pmmr aokprioensqgau lisr e
thtahteb rele a rgqeu-asnctaulmeb- eachvoih(oeiaurncre c notr wdiatnhc e
prospatolhsha atbv eepe unft ro wabryFd r oh)ol ciccuhwrirtithnhigen
Preface vii
microitnu bctuyhlteeo ss okfne elouen.rtTs ohsneus g gietssht taihtoi ns
quanatcutmoi uvgtihbotten y o n-compluitntakaotce iodom npaultlayt ion­
liakcett ihhoaanbts e aerng buye dH aamnehdric osoff l lteboaet g aukeisn g
plaacleom nigc rlo.et subu
Thaer gutmheanattmp s r Ie speonittniostn e gv eral opulra ces where
presepnitc-tfldauplarr yeo sf osuhnoodrpfltr yo vuiswd iiatns hgc ientific
undersohtfua mnmadeninn ttgyNa .elv iesrtsth,hdi eosnle oesmt e atnht ahte
phenoomcfeo nnosnc miuorsuetsm noaeuistnsss ciideeenx tpilofianIcn. a ti
argsuterl oayIns,d g iidEn N M,t htahtse hroeu lbdae s icnidepenaettdih fi ct o
thuen dersomtfea nnptdhaielnn goa mnedn atp,ha astthhl o sdtut hwaiirstt h a
deeappeprr eoctfih aneta itooupfnrh ey sriecaalli tfeyetl h iiatittss e lf. I
impotrhtaaantndy te dicatweids throcie onamgdp errhe,oh we nsdu ch a
strpahnegneo amtseh neo nm bieun ndd ecraisntnt e oroomafmds a terial
physwiocr,sal hldo gualsidon ms ei gnificanotfh oaswpt prraencgiea tion
indaerteehdr e u tlhemasut as tc tguoavtlehlr'aynmt a toeofru pirha yls'i cal
wor.l d
Undersitasaf,nat ,dlew ilrhns agct i ieasnla clbe o ut-ainadsg rsecaite nce
demaolrt ehm aenmr ien dcloemspisuo tna.t
Ofxord R.P.
Apr19i94l