Nebraska, an NCAA tournament team last season, has lost five in a row and seven of its past eight games.
"If we're not going to play with pride, play to represent our fan base and our university better than we did today, then they'll get their voice back when they earn it," Miles wrote to ESPN.com via text message.
Miles said the bans on locker room access and media interviews will continue for an undetermined amount of time.
The Cornhuskers moved into the multimillion-dollar Hendricks Training Complex in 2011. It features iPads in every locker, a kitchen, a state-of-the-art sound system, a pool table and a plasma video wall.