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DividedaOenIon:Cellphones
Exam1
(Hymanetal.,2010,AppliedCogni,vePsychology)
•  Willnotteston:
–  Materialfrom10/4class(Chapter7)
Peoplewho’dcrossedapublicareawereasked
ifthey’dseenanythingunusual
•  ThatmaterialwillbetestedonExam2
–  DetailsoftopographicmappinginFig.3.33
–  ThereInalwiringasshowninFig.4.31
–  pp.234-235(technicaldetailsofsleep)
•  Moreguidanceon10/4
–  Detailsofshort-answerquesIons
Results
Sensemaking
Sleep
Oncell
phone
Alone
Listening
tomusic
Member
ofapair
Sensemaking
•  The(human)brainseemstohaveasensemakingprocess
–  Gazzaniga’s“interpreter”(Severedcorpuscallosum)
–  The“synthesis”intheacIvaIon-synthesismodel
ofdreams
–  Seeitworkingtomakesenseofthingsthatdon’t
makeanysense
•  Split-braincontext,delusions,dreams
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Bell+Musicexample
(fromSeveredcorpuscallosumvideo)
•  JoeseesBell+Music
•  “Bell”registersinhis
righthemisphere
•  Hisrighthemisphere
picksthepictureofbells
•  Hislebhemispheresees
himpoinIngtoapictureofbellsand
concoctsanexplanaIon
Split-brainpa,entPS
PSfoveatesdotinmiddleofscreen
Scenes(snow,claw)flashbriefly
PSisaskedtopointtothecardsthat
wentwiththepicture
Experimenter:Whydidyouchoose
thoseitems?
PS:Oh,that’ssimple.Thechicken
clawgoeswiththechicken,andyou
needashoveltocleanoutthe
chickenshed.
–  Thatthelastmusicheheardwasbells
(Cooney&Gazzaniga,2003)
PaIentDB
(Breenetal.,2000)
• 
• 
• 
• 
76-year-oldwidowwhosufferedastroke
WellorientedforIme,person,place
NoevidenceofdemenIaoramnesia
Buthaddelusionsofmisiden,fica,on...
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Dreams
•  Theac,va,on-synthesismodel:
–  AcIvaIon:DuringREMsleep,signalstravelfrom
brainstemtothalamustovisualareasofcortex
•  MimickingvisualsensaIons
–  Synthesis:Braintriestomakesenseofthe
resulIngimages
(partofthalamus)
(partofbrainstem)
Lexicaldecisiontask
•  Isthesecondthingaword?
Sleepisimportant
•  ForconsolidaInglearnedknowledge
–  Factsandskills
dark
light
snack
lanch
•  Peoplearefastertorespondtothesecond
(probe)ifit’srelatedtothefirst(prime)
•  Forgaininginsights(“incubaIon”)
–  Sleepmadepeopleabout3Imesaslikelyto
discoveraproblem-solvingshortcut
(Wagneretal.,2004,Nature)
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