Is that SSI or SSDI?
[ Social Security Disability Insurance (SSDI) program and the Supplemental Security Income (SSI) program.]
http://www.ssa.gov/redbook/eng/overview-disability.htm
We have a forum with info on both and tips on how to get started on the process.
Check the useful sticky threads there..
http://neurotalk.psychcentral.com/forum28.html