Evoked related potentials associated with and without an orienting reflex

H Bahramali; E Gordon; C L Lim; W Li; Jim Lagopoulos; J Leslie; C Rennie; R A Meares

doi:10.1097/00001756-199708180-00006

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Evoked related potentials associated with and without an orienting reflex

Journal article

Peer reviewed

Evoked related potentials associated with and without an orienting reflex

H Bahramali, E Gordon, C L Lim, W Li, Jim Lagopoulos, J Leslie, C Rennie and R A Meares

NeuroReport, Vol.8(12), pp.2665-2669

1997

DOI: https://doi.org/10.1097/00001756-199708180-00006

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Abstract

electrodermal response

event-related potential

orienting response

P300

LATE component event related potentials (ERP) and concomitant electrodermal activity (EDA) measures of the orienting reflex (OR) were undertaken in 50 normal subjects. Our group recently developed a model to quantify electrodermal activity in conventional ERP paradigms (auditory oddball) with short interstimulus intervals (ISI). The method was used to classify the presence or absence of skin conductance response following each auditory target stimulus. Using a conventional paradigm in which data is traditionally averaged, single-trial target ERPs were sorted into those with a skin conductance response OR (ERP(+OR)) and those without (ERP(-OR)) an OR, and ERP sub-averages of the two groups were derived. The ERP(+OR) showed significantly larger P300 amplitudes and relatively earlier N200 and P300 latency than those of the ERP(+OR). These findings suggest that using concomitant SCR-ERP measures, separate ERP related processes can be determined, that are complementary to the traditional average measure.

Details

Title: Evoked related potentials associated with and without an orienting reflex
Authors: H Bahramali (Author) - University of Sydney
E Gordon (Author) - University of Sydney
C L Lim (Author) - University of Sydney
W Li (Author) - University of Sydney
Jim Lagopoulos (Author) - University of Sydney
J Leslie (Author) - University of Sydney
C Rennie (Author) - University of Sydney
R A Meares (Author) - University of Sydney
Publication details: NeuroReport, Vol.8(12), pp.2665-2669
Publisher: Lippincott Williams & Wilkins
Date published: 1997
DOI: 10.1097/00001756-199708180-00006
ISSN: 0959-4965
Organisation Unit: University of the Sunshine Coast, Queensland; Thompson Institute
Language: English
Record Identifier: 99449922202621
Output Type: Journal article

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