A repeat mild TBI model was established in the mouse based on the IA paradigm
Repeat mild TBI based on IA did not cause contusions or hypoxic injury but produced multifocal axonal injury accompanied by neuroinflammation
The visual system was especially vulnerable in our mouse IA model
Effects of mild TBI regimen on white matter tracts were scalable, up to a point
The visual emphasis and pathological scalability of our model are extremely useful for repeat concussion studies, including experimental therapies