One aspect of the invention provides a method including: obtaining neural activity data for a first subject and a second subject during verbal interaction between the first subject and the second subject; and calculating coherence between the neural activity data for the first subject and the neural activity data for the second subject. Another aspect of the invention provides a non-transitory, tangible computer-readable medium comprising computer-readable program instructions for implementing the one or more of the methods described herein.
METHODS, COMPUTER-READABLE MEDIA, AND SYSTEMS FOR MEASURING BRAIN ACTIVITY