Figure 4
From: Sex differences in behavioural and neural responsiveness to mate calls in a parrot
Neuronal activation in the budgerigar brain.
(a) Coronal sections cut at level “a” in (b). Rectangles in the both side of sections represent the counting frames. (b) A schematic drawing of a parasagittal plane. The most caudal part of the LSt was defined as coordinates zero (*). Yellow regions in (a,b) and blue arrows in (b) indicate the caudomedial pallium and a primary auditory pathway, respectively. Lat, Lateral; Ros, Rostral; D, Dorsal; V, Ventral; C, Caudal; M, Medial. (c–e) Photomicrographs of coronal sections of the budgerigar brain showing Zenk immunoreactivity. Scale bar represents 1 mm in (a,b) and 50 μm in (c–e). Abbreviations; Cb, Cerebellum; CM, Caudal mesopallium; CMM, Caudomedial mesopallium; CoN, Cochlear nucleus; HD, Densocellular part of the hyperpallium; HP, Hippocampus; L1, L2, L3, Subdivisions of Field L complex; LaM, Mesopallial lamina; LSt, Lateral striatum; MLd, Dorsal part of the lateral mesencephalic nucleus; NC, Caudal nidopallium; NCM, Caudomedial nidopallium; NF, Frontal nidopallium; NLC, Central nucleus of the lateral nidopallium; Ov, Nucleus ovoidalis of the thalamus.
