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(NAS Colloquium) Neuroimaging of Human Brain Function (1998) / Chapter Skim
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Event-related brain potentials in the study of visual selective attention
Pages 19-25

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 19...
... 6periments using blood-fl~ neuroimaging methods halo comJemcnlcd pawns studies of brain-l~sloned patients in iden^ Aging ~ network of interconnected cordc~1 and subcor~c~1 areaslbat play a key rolei~1b~confrolofvisual~enlionin bu~nstll,12~.Thcsa ~reasinclude dorsol~1er~1proRortal ~ndpo~dorp~d~t~ cornea ~can~dor~ ~ gyrus,and the pudgier nucleus of the Humus. it has beta proposed that ibis network constitutes the cssenti~1 coning air far visual attention char determines whim stimuli are to be attended.
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From page 20...
... ) .5epea~ runsofa~end4~>,a~end-d6t<,and passivetriOls~erec~rriedoutin~vosep~ratesess10ns.tbcErst w~b ERP recordingstrom 30scalp channels andthcseco~d ~ith~PET ~llo~i~l~i~ntrsvenousinj~ction oiSa positron em~itdn~tracer(H:O~.l~th~ BRPrecordingsessio6.~nenlarged F1 componentwas obs~r~cd over tbehem~pberec~nlr~l~eral c ~ended ~sual beId (F~.
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From page 23...
... lglos.Sakai~.(~60T~l.Acli~v~ti<~:Issho~ iI1 ~r~cl] ~liec~l<>s~> 1~{ ~ =l ~dp~3 Ada ~ ~dp~5 ~ m~t ~ bug ~ ~p~7~ ~ Abe dipole locations corresponded closely to brain areas that ~ , bane been sculpted during color processing in PET or ~RI studies, thus providing converging confidence tar the avidity of the inverse source calculations.
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From page 25...
... Colloquy paper: Hilled and Anllo-Vento 14. Fosnep ~.1.
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Key Terms

  • neural activity
  • time course
  • occipital cortex
  • stimulus onset
  • dorsal occipital

  • visual attention
  • erp recordings
  • attended location
  • corresponded closely
  • erp components

  • blood flow
  • gain control
  • source calculations
  • brain potentials
  • selection theories

  • voltage distribution
  • dipolar sources
  • premotor cortex
  • versus vertical
  • cognitive operations

  • imaging methods
  • special role
  • locations corresponded
  • versus blue
  • neuroimaging methods

  • network constitutes
  • sns vary
  • manual response
  • brain potential
  • inverse source


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