Barely Significant

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Although general tablet usage was not our main focus, the results of our questionnaire show a clear trend toward increasing tablet usage with age: While some children between the ages 1 and 4 did not have any contact with touchscreen devices and only some used them on a regular basis, the proportion slowly but steadily became inverted from the age of 5 onwards.
After correction for multiple testing, one of the t -tests in each of the nine topographic clusters turned out significant [in the right central cluster with t (34) = −3.06, p adj = 0.036, r = 0.46], one marginally significant [in the right posterior cluster with t (34) = −2.86, p adj = 0.056, r = 0.44], and four more neighboring clusters still showed trends [left anterior cluster with t (34) = −2.42, p adj = 0.11, r = 0.38, mid anterior cluster with t (34) = −2.57, p adj = 0.09, r = 0.4, right anterior cluster with t (34) = −2.32, p adj = 0.11, r = 0.37, and mid central cluster with t (34) = −2.74, p adj = 0.07, r = 0.43], always with a larger negativity for sublexically negative high-arousing words.
For the other combinations, a clear trend was that temporal parameters (onset, offset, peak latency) and shape parameters (amplitude, ampavg, upslope and downslope) were usually not correlated as judged from the numbers across electrodes, consistent with the findings from Lang et al.