
Keywords: 5-HT; 5-hydroxytryptamine, serotonin; BG; basal ganglia; CTB; choleratoxin subunit B; CLi; caudal linear nucleus of the raphe; DBS; deep brain stimulation; DRN; dorsal raphe nucleus; DRC; dorsal raphe nucleus, caudal part; DRD; dorsal raphe nucleus, dorsa