title: On correlation between single-trial ERP and GSR responses: a principal component regression approach.
abstract: In this study we investigate the correlation between single-trial evoked brain responses and galvanic skin responses (GSR). The correlation between the two signals is examined by using a modified principal component regression based approach. A potential application of the study is to utilize the GSR measurements in a form of a prior information in the estimation of the brain potentials when only small number of trials is available.
authors.affiliation: Department of Physics, University of Kuopio, Finland. Perttu.Ranta-aho@uku.fi
authors.forename: P O
authors.initials: PO
authors.lastname: Ranta-aho
authors.forename: M P
authors.initials: MP
authors.lastname: Tarvainen
authors.forename: S D
authors.initials: SD
authors.lastname: Georgiadis
authors.forename: J P
authors.initials: JP
authors.lastname: Niskanen
authors.forename: P A
authors.initials: PA
authors.lastname: Karjalainen
authors.forename: M
authors.initials: M
authors.lastname: Valkonen-Korhonen
authors.forename: J
authors.initials: J
authors.lastname: Lehtonen
mesh_terms: D000465:Algorithms; D001921:Brain / Q000473:pathology; D003198:Computer Simulation; D004569:Electroencephalography / Q000295:instrumentation* / Q000379:methods*; D005712:Galvanic Skin Response; D006801:Humans; D015233:Models, Statistical; D025341:Principal Component Analysis; D012044:Regression Analysis; D012867:Skin / Q000473:pathology; D013997:Time Factors