Cerebellar abnormalities have been associated with attention-deficit/hyperactivity disorder (ADHD) in human studies. Animal models also implicate cerebellar microcircuit dysfunction, particularly reduced inhibitory control of granule cells (GCs) in mice lacking Git1, an ADHD risk gene. Excitatory GCs are the most abundant neuronal population in the cerebellum and are enriched in α6 subunit-containing GABA(A) (α6GABA(A)) receptors. Thus, α6GABA(A) receptor-selective positive allosteric modulators…
