Leukoencephalopathy, Motor Delay, Spasticity, and Dysarthria Syndrome, is also known as lemspad. An important gene associated with Leukoencephalopathy, Motor Delay, Spasticity, and Dysarthria Syndrome is EIF2AK1 (Eukaryotic Translation Initiation Factor 2 Alpha Kinase 1). Affiliated tissues include brain, and related phenotypes are dysarthria and hypotonia