DLB patients, showing VH, exhibit synuclein depositions in the dorsal and median raphe nuclei (Benarroch et al., 2007) as well as the reduction of serotonin levels in the striatum and frontal cortex (Perry et al., 1993a; Ohara et al., 1998; Francis, 2009). The gene discussed is SNCA; the disease is Lewy body dementia.