text: <unk>  is a rare, fatal, inherited<unk>  of the nervous system (neurodegenerative disorder) that begins in childhood. Also known as Spielmeyer-Vogt-Sjogren-Batten<unk> , it is the most common form of a group of disorders called neuronal ceroid lipofuscinosis (or NCLs). Although<unk>  is usually regarded as the juvenile form of NCL, some physicians use the term<unk>  to describe all forms of NCL.
option_0: Batten disease
option_1: Krabbe disease
option_2: Farber disease
option_3: Sandhoff disease
option_4: Menkes disease
option_5: Pickardt syndrome
option_6: Hurler-Scheie syndrome
option_7: Kennedy disease