Figure 7
From: Speech target modulates speaking induced suppression in auditory cortex
The apparatus and experimental set up. A 275 channel whole cortex MEG/EEG system was used (VSM MedTech Ltd.). All electronic equipment (the stimulus laptop, attenuator, digital signal processor, and amplifier) was placed outside of the magnetically shielded room. A directional microphone, plastic air tube earphones, an MEG compatible button, and monitor were in the room with the participant.