difference was apparentP = 0.942
While no temporal difference was apparent for the pre-stimulus peaks (t 15 = 0.07, P = 0.942), the timing of the post-stimulus ERP peaks differed significantly (t 15 = 3.00, P = 0.009 for the negative peak; t 15 = 2.31, P = 0.036 for the positive peak).