regions displaying more modest reductions in glucose utilisation , approximately 20 % following muscimol ( 1.5 mg/kg ) and thip ( 10 mg/kg ) administration , included most extrapyramidal regions ( substantia nigra , pars compacta and reticulata , globus pallidus , subthalamic nucleus , medial portion of the caudate nucleus ) , a number of cortical and subcortical limbic areas ( cingulate and olfactory cortices , hippocampus , nucleus accumbens , anterior thalamus ) , and medial raphe nucleus .
C0038590
substantia nigra
C0175412
pars compacta