showed a trendp = 0.079
Our analyses showed a trend toward a positive correlation between delta activity gain and cognitive performance in the early intervention group [ n = 8, r pb (6) = 0.653, r b = 0.819, p = 0.079, Figure 4A ], while there was no apparent correlation in the late intervention group [ n = 9, r pb (7) = 0.563, r b = 0.786, p = 0.11