Doctors are still unable to tell whether Richter 's brain has suffered damage .
Richter is to remain hospitalized for an indefinite period of time so doctors can make sure Richter 's body has recovered from the electric shock .
Doctors are still unable to tell whether Richter 's brain has suffered damage and Richter is to remain hospitalized for an indefinite period of time so doctors can make sure his body has recovered from the electric shock .