Trevor Brothers gave a talk at the 33rd Annual CUNY Conference on Human Sentence Processing, held virtually by the University of Massachusetts, Amherst. The title of his talk was "Proportional semantic pre-activation during sentence comprehension: Evidence from ERPs." See here for an abstract, here for the talk slides, and here for a video recording of Trevor's talk (the talk starts at 00:26:30, questions start at 00:48:20, and the talk ends at 00:57:20)