Reliability of bilateral differences in electrodermal activity.
To evaluate the reliability of electrodermal lateralization, skin conductance response (SCR) and skin potential response (SPR) amplitudes were recorded bilaterally in 11 right-handed male students during 4 identical experimental sessions each a week apart. After a rest period of 5 min, a set of auditory stimuli (1000 Hz, 100 dB, 1 s) was delivered. Results of both recordings showed a significant lateralization for all sets of response in the majority of subjects, but the reliability of the right-left (R-L) differences was low from one session to another. However, results suggest the existence of different degrees in stability according to subjects. Otherwise, the R-L differences appear to be recording technique dependent. These results have implications for the influence of central and peripheral factors on electrodermal activity laterality.
Naveteur
J
J
Laboratoire de Psychophysiologie, CNRS-UA308, USTL, Villeneuve d'Ascq, France.
Sequeira-Martinho
H
H
D000328:Adult; D001143:Arousal / Q000502:physiology*; D001341:Autonomic Nervous System / Q000502:physiology; D002940:Circadian Rhythm / Q000502:physiology; D007839:Functional Laterality / Q000502:physiology*; D005712:Galvanic Skin Response / Q000502:physiology*; D006801:Humans; D008297:Male