Other investigators include Frank Tong, who has pioneered methods to «decode» mental states from brain imaging signals, and Sean Polyn, who uses brain imaging methods as well as
recordings of the electrical signals from the scalp to
learn how memories are formed and
retrieved.
Technology, however, makes it possible to
record,
retrieve, and evaluate entire portfolios of student work, daily and weekly
learning outcomes, and a host of teacher practices and behaviors, all of them able to be analyzed, reviewed, and discussed at multiple points during the school year — and indeed over multiple years.