Researchers needed more sound to spark brain activity in untreated mice compared with treated mice, the team found. (sciencedaily.com)
The hair cells of untreated mice, in contrast, looked damaged and sparse. (sciencedaily.com)
These mice did not perform significantly differently from untreated mice in many tests of learning and memory, but did improve their memory of places where they had previously received mild electrical shocks. (ucsf.edu)