Finding indexes of spontaneous brain-to-brain communications when looking for a cause of the similarity of qualia assumed across individuals

" .. Each of the 32 members of these 16 pairs faced one half of the screen and could not see what the other member was presented with on the other half. One stimulus occurred on each half simultaneously. The sameness of these stimulus pairs was manipulated as well as the participants’ belief in that sameness by telling subjects’ pairs that they were going to be presented with the same stimuli in two blocks and with different ones in the two others. In the P600 time window, belief, and thus social cognition, was found to have an effect on ERPs [event-related potentials] only at left anterior electrode sites. In contrast, ERPs were more positive at all electrode subsets for stimulus pairs that were in consistent with the belief than for those that were consistent. In the N400 time window, at frontal electrode sites, ERPs were again more positive for inconsistent than for consistent stimuli. As participants had no way to see the stimulus their partner was presented with, and thus no way to detect inconsistence, we proposed that these data could support the existence of spontaneous brain-to-brain communications."

Last modified on 15-Mar-16

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