Averaged auditory evoked potential waveforms were recorded from the vertex of human subjects 3, 9, and 15 hr. after awakening. Responses to pure tones of 60 and 80 dB SL were obtained at each session. Amplitude measures of N1–P2 and P2–N2 components were largest in the morning followed by a gradual attenuation across sessions. Waveform amplitude during the late evening ranged from 85% to 91% of the morning amplitude.
Get full access to this article
View all access options for this article.
References
1.
AnchM.The auditory evoked brain response during adult human sleep. Waking and Sleeping, 1977, 1, 189–194.
2.
BrowmanC. P.Diurnal variation of the human auditory evoked potential. Physiological Psychology, 1979, 7, 287–290.
3.
BrowmanC. P., & SullivanH. T.Human auditory evoked potentials: Reliability of intensity functions. Brain Research Bulletin, 1980, 5, 207–210.
4.
CallawayE.Brain electrical potentials and individual psychological differences. New York: Grune & Stratton, 1975.
5.
DavisH.Electric response audiometry, with special reference to the vertex potential. In NeffW. D. & KeidelW. D. (Eds.), Handbook of sensory physiology. New York: Springer-Verlag, 1976. Pp. 85–103.
6.
FruhstorferH., & BergströmR. M.Human vigilance and auditory evoked responses. Electroencephalography and Clinical Neurophysiology, 1969, 27, 346–355.
7.
HeningerG. R.McDonaldR. K.GoffW. R., & SollbergerA.Diurnal variations in the cerebral evoked response and EEG: Relation to 17-hydroxycorticosteroid levels. Archives of Neurology, 1969, 21, 330–337.
8.
HillyardS. A.PictonT. W., & ReganD.Sensation, perception and attention: Analysis using ERPs. In CallawayE.TuetingP., & KoslowS. H. (Eds.), Event-related brain potentials in man. New York: Academic Press, 1978. Pp. 223–321.
9.
JasperH.The ten-twenty electrode system of the International Federation. Electroencephalography and Clinical Neurophysiology, 1958, 10, 371–375.
10.
KerkhofG. A.Interindividual differences in the diurnal variation of the human auditory evoked potential. Physiological Psychology, 1980, 8, 141–143.
11.
KerkhofG. A.KorvingH. J.WillemseV. D.GeestH. M. M., & RietveldW. J.Diurnal differences between morning-type and evening-type subjects in self-rated alertness, body temperature and the visual and auditory evoked potential. Neuroscience Letters, 1980, 16, 11–15.
12.
ReganD.Evoked potentials in psychology, sensory psysiology, and clinical medicine. London: Chapman & Hall, 1972.
13.
ShagassC.Evoked brain potentials in psychiatry. New York: Plenum, 1972.
14.
TepasD. I.Evoked brain response as a measure of human sleep and wakefulness. Aerospace Medicine, 1967, 38, 148–153.
15.
WernerJ. H.Evoked potentials in auditory and visual detection tasks in man: Any diurnal effects?Chronobiologia, 1979, 6, 170. (Abstract)
16.
WilliamsH. L.TepasD. I., & MorlockH. C.Jr.Evoked responses to clicks and electroencephalographic stages of sleep in man. Science, 1962, 138, 685–686.
