1 cortex 2 cerebellum 3 brain_stem 4 diencephalon 5 olfactory_bulbs 6 hippocampus 7 striatum 8 corpus_callosum 9 superior_colliculus 10 periaqueductal_gray 11 fimbria 12 internal_capsule 13 dentate_gyrus 14 cerebral_penduncle 15 anterior_commissure_pars_anterior 16 optic_tract 17 stria_medullaris_thalami 18 medial_lemniscus_longitudinal_fasciculus 19 medial_lemniscus 20 facial_nerve 21 mammilothalamic_tract 22 fornix 23 anterior_commissure_pars_posterior 25 habenulo_peduncular_tract 26 posterior_commissure 43 inferior_cilliculus 44 globus_pallidus 45 lateral_ventricles 46 3rd_and 4th_ventricle_cerebral_acquaduct 47 arbor_vita 48 pre_para_subiculum 49 UD1 50 UD2 51 amygdaloid_region_ventral 52 ventral_pallidm_&_medial_forebtain_bundle 53 medial_septum 54 lateral_septum 55 nucleus_accumbens_undefined_area 56 UD3 57 UD4 58 amygdaloid_region_dorsal 59 stria_terminallis 60 UD5