Oscillatory gamma activity mediates the pathway from socioeconomic status to language acquisition in infancy

<p>Representative subset of the raw infant EEG data included in the original manuscript.</p> <p>Baseline EEG data were acquired from Italian infants at age six months and 15 days ( &plusmn; 2 weeks).<br> A 4-min block of baseline EEG was collected while a research assistant was blowing bubbles to engage infant&rsquo;s attention.<br> The EEG was recorded from 60 scalp electrodes using Geodesic Sensor Net (Geodesic EEG System 300, Electrical Geodesics, Inc., Eugene, OR; USA), with impedances below 50 Hz. Vertex was used as an online reference. EEG was sampled at 250 Hz and bandpassfiltered (0.1&ndash;100 Hz) online. After recording, EEG data were exported for processing through lab-internal Matlab (MathWorks, Natick, MA) routines and EEGLAB toolbox (Delorme &amp; Makeig, 2004).<br> &nbsp;</p>