To find out, Cohen and his colleagues turned to an imaging technique called magnetoencephalography, or MEG.

为了找到答案，Cohen和同助于叫作“脑图描记术（MEG）”技术。

Utilizing magnetoencephalography (MEG), a brain imaging technique, the researchers observed this fascinating phenomenon.

研究人员利用脑图（MEG）这种大脑技术观察到了这一令人着迷现象。