????? ??? ?? ?? ?? ? ?? ??? ?? ???? , ?? ??? ????? ??? ?? ?? ?? ????? ??? ?? ?? ?? ???? ?? ??? ?? ??? ??? ?? ??? ? ??? ??? ?? ????.?? ?? ????? ?? ??? ?? ??? ??? ???? ????. A standard neurological element of the condition is impaired myelin generation (dysmyelination). Myelin is really a fatty substance that insulates nerve cells and encourages the