Chapter 1: EEG; Sensory & Cognitive
ERPs Exam Questions and Answers
electroencephalography ii(EEG)
• iinon iiinvasive iitechnique iiused iito iiexplore iinormal ii& iiabnormal iibrain iiactivities
• iiused iisince ii19th iicentury
• iidiff iifrom iithe iiso-called iiimaging iitechniques, iisuch iias iifMRI iior iiPET iiscan, iibut iihas
iiits iiadvantages
- iiwhy iiit's iistill iiin iiuse iitoday
describe iiprinciple iibehind iielectroencephalography ii(EEG)
• iito iiproduce iielectroencephalogram, iiseveral iidisk-shaped iielectrodes ii(~ iihalf iisize iiof
iidime) iiplaced iion iiscalp iiin iistandardized iimanner iito iiallow ii"descriptive iilocalization" iiof
iidiff iiactivities ii& iicomparisons iib/w iisubjects ii& iiexperiments
• iigenerally iirecorded iifrom iiseveral iielectrodes ii(32-256)
- iicontact iib/w iiscalp ii& iielectrodes iiuses iispecial iigel
Brainpower
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what iiis iithe iihistorical iiorigin iiof iithe iiEEG?
• iiin ii1875, iiRichard iiCaton iirecorded iielectrical iiphenomena iion iiexposed iicerebral
iihemispheres iiof iirabbits ii& iimonkeys
• iiin ii1890, iiAdolf iiBeck iifound iispontaneous iielectrical iiactivity iiof iibrain iiof iirabbits ii&
iidogs iithat iiincluded iirhythmic iioscillations iialtered iiby iilight ii→ iibrain iiwaves
• iiin ii1912, iiVladimir iiVladimirovich iiPravdich-Neminsky iirecorded ii1st iianimal iiEEG ii&
iievoked iipotential iiof iidog
• iiin ii1914, iiNapoleon iiCybulski ii& iiJelenska-Macieszyna iiphotographed iiEEG
iirecordings iiof iiexperimentally iiinduced iiseizures
ERPs Exam Questions and Answers
electroencephalography ii(EEG)
• iinon iiinvasive iitechnique iiused iito iiexplore iinormal ii& iiabnormal iibrain iiactivities
• iiused iisince ii19th iicentury
• iidiff iifrom iithe iiso-called iiimaging iitechniques, iisuch iias iifMRI iior iiPET iiscan, iibut iihas
iiits iiadvantages
- iiwhy iiit's iistill iiin iiuse iitoday
describe iiprinciple iibehind iielectroencephalography ii(EEG)
• iito iiproduce iielectroencephalogram, iiseveral iidisk-shaped iielectrodes ii(~ iihalf iisize iiof
iidime) iiplaced iion iiscalp iiin iistandardized iimanner iito iiallow ii"descriptive iilocalization" iiof
iidiff iiactivities ii& iicomparisons iib/w iisubjects ii& iiexperiments
• iigenerally iirecorded iifrom iiseveral iielectrodes ii(32-256)
- iicontact iib/w iiscalp ii& iielectrodes iiuses iispecial iigel
Brainpower
Read iiMore
what iiis iithe iihistorical iiorigin iiof iithe iiEEG?
• iiin ii1875, iiRichard iiCaton iirecorded iielectrical iiphenomena iion iiexposed iicerebral
iihemispheres iiof iirabbits ii& iimonkeys
• iiin ii1890, iiAdolf iiBeck iifound iispontaneous iielectrical iiactivity iiof iibrain iiof iirabbits ii&
iidogs iithat iiincluded iirhythmic iioscillations iialtered iiby iilight ii→ iibrain iiwaves
• iiin ii1912, iiVladimir iiVladimirovich iiPravdich-Neminsky iirecorded ii1st iianimal iiEEG ii&
iievoked iipotential iiof iidog
• iiin ii1914, iiNapoleon iiCybulski ii& iiJelenska-Macieszyna iiphotographed iiEEG
iirecordings iiof iiexperimentally iiinduced iiseizures
