Hari R, Hämäläinen M, Ilmoniemi R, Kaukoranta E, Reinikainen K, Salminen J, Alho K, Näätänen R, Sams M
Neurosci Lett. 1984 Sep 7;50(1-3):127-32. doi: 10.1016/0304-3940(84)90474-9.
Auditory evoked magnetic fields of the human brain were recorded with a four-channel 1st order gradiometer. Pitch deviance in a sequence of repetitive tone pips elicited magnetic evoked-response changes with a topography suggesting that a neuronal mismatch process to the deviant tones activates the primary auditory cortex.
用四通道一阶梯度仪记录人脑的听觉诱发磁场。一系列重复音调短声中的音调偏差引发了磁诱发反应变化，其地形图表明对偏差音调的神经元失配过程激活了初级听觉皮层。
