I had one tonic clonic seizure in 2000. Over a period of three years, I gradually lost my upper rangeccx to the point that people have trouble hearing me. Have been scoped an.v d the U of M says only vocal therapy and even with that I could regain 20%. I loved singing, could give speech, modulate my voice. Now I carry a whistle because I cannot scream and feel such a deep loss for my old voice. No one has given me the reason.