In a first, neuroscientists have created a microscopic “brain thesaurus” that reflects how the meaning of words is represented. Using a novel technology to record the activity from single neurons in the human brain, the team was also able to predict the meaning of words heard in real-time speech.

From Ziv Williams and Colleagues, co-first authors Mohsen Jamali and Benjamin Grannan. Read more at HMS News and the Harvard Gazette. Also featured by Ars Technica.