Differences between human auditory event-related potentials (AERP) measured at 2 and 4 months after birth

Article

van den Heuvel, Marion I., Otte, Renée A., Braeken, Marijke A.K.A., Winkler, István, Kushnerenko, E. and Van den Bergh, Bea R. H. 2015. Differences between human auditory event-related potentials (AERP) measured at 2 and 4 months after birth. International Journal of Psychophysiology. 97 (1), pp. 75-83.
Authorsvan den Heuvel, Marion I., Otte, Renée A., Braeken, Marijke A.K.A., Winkler, István, Kushnerenko, E. and Van den Bergh, Bea R. H.
Abstract

Infant auditory event-related potentials (AERP) show a series of marked changes during the first
year of life. These AERP changes indicate important advances in early development. The current
study examined AERP differences between 2- and 4-month-old infants. An auditory oddball
paradigm was delivered to infants with a frequent repetitive tone and three rare auditory events.
The three rare events included a shorter than the regular inter-stimulus interval (ISI-deviant),
white noise segments, and environmental sounds. The results suggest that the N250 infantile
AERP component emerges during this period in response to white noise but not to environmental
sounds, possibly indicating a developmental step towards separating acoustic deviance from
contextual novelty. The scalp distribution of the AERP response to both the white noise and the
environmental sounds shifted towards frontal areas and AERP peak latencies were overall lower
in infants at 4 compared to at 2 months of age. These observations indicate improvements in the
speed of sound processing and maturation of the frontal attentional network in infants during this
period.

JournalInternational Journal of Psychophysiology
Journal citation97 (1), pp. 75-83
Year2015
PublisherElsevier
Accepted author manuscript
License
CC BY-NC-ND
Web address (URL)http://dx.doi.org/doi/10.1016/j.ijpsycho.2015.04.003
Publication dates
Print17 Apr 2015
Publication process dates
Deposited01 Jun 2015
Accepted07 Apr 2015
FunderNetherlands Organisation for Scientific Research (NWO)
Seventh Framework Programme
Hungarian National Research Fund (OTKA)
Copyright information© 2015 Elsevier
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