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University of Washington postdoctoral student Caitlin Hudac wears a cap that uses transcranial magnetic stimulation (TMG) to deliver brain signals from the other guessing-game participant. In the study, participants were able to guess what is in another person’s mind...

Participants were able to guess the correct object in 72 per cent of the real games, compared with just 18 per cent of the control rounds.

The subject of this research is a 15 million year old monkey skull. This led them to conclude that these primates were more sensitive in their sense of smell-one thing that may be very useful considering the kind of environment 15 million years back.

The activity registered by the implanted electrodes showed that the neurons in the medial temporal lobe were immediately activated when they first noticed the actors. “This study goes into the heart of the neural code underlying one of the most fundamental aspects of human...