Gamma Oscillations and Object Processing in the Infant Brain

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Science  24 Nov 2000:
Vol. 290, Issue 5496, pp. 1582-1585
DOI: 10.1126/science.290.5496.1582

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An enduring controversy in neuroscience concerns how the brain “binds” together separately coded stimulus features to form unitary representations of objects. Recent evidence has indicated a close link between this binding process and 40-hertz (gamma-band) oscillations generated by localized neural circuits. In a separate line of research, the ability of young infants to perceive objects as unitary and bounded has become a central focus for debates about the mechanisms of perceptual development. Here we demonstrate that binding-related 40-hertz oscillations are evident in the infant brain around 8 months of age, which is the same age at which behavioral and event-related potential evidence indicates the onset of perceptual binding of spatially separated static visual features.

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