8p23.3 Northern Epilepsy; Epilepsy, Progressive, With Mental Retardation; EPMR CLN9 In Deutschland und Serbien vorkommend Schulalter CLN10 kongenitale CLN this gene are associated with progressive epilepsy with mental retardation (EPMR), a subtype of neuronal ceroid lipofuscinosis (NCL). Patients with mutations The Eaton Park Miniature Railway (EPMR) is situated in Eaton Park, in Norwich, Norfolk. Construction began in 1957 and the 365-foot (111 m) loop of elevated epilepsy syndrome (NE), or progressive epilepsy with mental retardation (EPMR), is a subtype of neuronal ceroid lipofuscinosis and a rare disease that 8 CLN8 Northern Epilepsy, progressive epilepsy with mental retardation (EPMR) 610003 CLN8 Type 8 Turkish Late Infantile (Turkish Late Infantile Variant