Loss of ability to speak is a condition for which one can obtain disability benefits if certain rules and information is understood. An important social security rule is that a disability, social security calls it an impairment, must last at least 12 consecutive months. For instance one may have lost their voice for a few months, but with treatment they can speak and be understood within the 12 month time frame.
There are many causes for loss of voice including strokes, brain tumors, head injuries and vocal cord lesions. The medical term for voice loss is aphasia, an inability to speak.
It is important that you seek the help of a lawyer who is involved in disability cases since he understands all the complexity involved during the application process and the necssity for gathering all your medical records in a timely fashion.
The most important point to understand is how social security views the loss of ability to speak. The key to improving your chances of success is the following sentence. Loss of speech due to any cause with inability to produce by any means speech that can be heard, sustained and be understood.