The results show that compared with the scalp surface ERP data, the current source intensity derived from tomography can better reflect the enhanced effect of P1 and N1, especially N1.

• 结果表明,层析得到的电源强度与头表的脑电数据相比,能更好地反映注意导致的P1、N1相对增强效应,其中尤以N1的增强比较明显。