• Normal hair-cell morphology at P0 • Expression of autism and auditory related proteins1) Auditory cortex: Decreased ChAT in male Adnp± Decreased PVALB in male Adnp±2) Cerebellum: Increased GAD67 in female Adnp± Decreased VGLUT2, CX32, and ChAT in female Adnp±. The gene discussed is CHAT; the disease is autism.