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. 2013 Jun 18;9(7):977–984. doi: 10.1093/scan/nst076

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© The Author (2013). Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3 — Time frequency analysis of LFPs from the PAG for (A) all infant vocalizations, (B) a random subset of infant vocalizations (N = 135), (C) constructed control sounds and (D) ecological control sounds. Zero denotes the stimulus onset. Alpha band (8–12 Hz) activity differentiated the animal and adult sounds from the acoustically similar sounds (infant and constructed sounds), whereas beta band (13–30 Hz) activity differentiated the infant sounds from the adult and animal sounds.