> For this regimen, the animals were placed on little treadmills and required to sprint at a very rapid and strenuous pace for three minutes, followed by two mi

> For this regimen, the animals were placed on little treadmills and required to sprint at a very rapid and strenuous pace for three minutes, followed by two minutes of slow skittering, with the entire sequence repeated twice more, for a total of 15 minutes of running. I wonder how exactly they were "required" to maintain this pace. Sounds like it could easily have been traumatic, which would have its own effects on neurogenesis.