KCNT1 and autosomal dominant nocturnal frontal lobe epilepsy: We describe a Chinese family with severe autosomal-dominant nocturnal frontal lobe epilepsy (ADNFLE) and psychiatric problems in whom whole-exome family trio sequencing identified a heterozygous mutation in the potassium channel subfamily T, member 1 (<i>KCNT1</i>), a sodium-gated potassium channel gene, which was a novel missense mutation c.2153A>T (p. Asp718Val).