Grand Averages.(A) Grand Averages of the CSERPs of non-socially anxious female (left; N = 12, 24 sessions) and male (right; N = 16, 32 sessions) participants in response to sweat donated during the anxiety condition (black line) and the sport control condition (grey line) at pooled electrode positions (anterior left, anterior midline, anterior right, central left, central midline, central right, posterior left, posterior midline, posterior right). (B) Grand Averages of the CSERPs of socially anxious female (left; N = 8, 16 sessions) and male (right; N = 8, 16 sessions) participants in response to sweat donated during the anxiety condition (black line) and the sport control condition (grey line) at pooled electrode positions (see Fig. 1A).