Abstract
This study tested theoretical accounts of the Nc component of the event-related brain potentials in six-month-old infants by replicating and extending a previous study [Ackles, P. K., & Cook, K. G. (2007). Attention or memory? Effects of familiarity and novelty on the Nc component in event-related brain potentials in six-month-old infants. The International Journal of Neuroscience, 117, 837–867]. Stimulus familiarity and novelty of visual stimuli were manipulated within and across four groups of infants to test predictions from attentional, memory, and expectancy accounts of Nc. Nc amplitudes were the larger to oddball stimuli in the. 80/.20 oddball group and One Face group than to frequent stimuli in oddball group and to novel stimuli in the Novel Faces and Novel Pictures groups. The results supported an attention-based interpretation of Nc.
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