Involved in cognition; social behavior; and thalamus development. Acts upstream of or within chemical synaptic transmission and memory. Located in synapse. Is expressed in brain; future brain; olfactory epithelium; and spinal cord. Used to study attention deficit hyperactivity disorder. Human ortholog(s) of this gene implicated in autistic disorder. Orthologous to human PTCHD1 (patched domain containing 1). [provided by Alliance of Genome Resources, Apr 2022]