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The organization of projections from the thalamic mediodorsal nucleus to the prefrontal cortex of the dog
Author(s) -
Narkiewicz Olgierd,
Brutkowski Stefan
Publication year - 1967
Publication title -
journal of comparative neurology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.855
H-Index - 209
eISSN - 1096-9861
pISSN - 0021-9967
DOI - 10.1002/cne.901290406
Subject(s) - neuroscience , prefrontal cortex , thalamus , biology , gyrus , nucleus , anatomy , nissl body , cortex (anatomy) , cognition , staining , genetics
A study of the thalamofrontal connections of the dog was made by placing total or restricted lesions in the prefrontal cortex and examining the resulting retrograde degeneration in the mediodorsal nucleus of the thalamus as demonstrated by Nissl and Klüver‐Barrera techniques. While there is some overlap the general arrangement of the thalamofrontal projection has been established as follows: (1) the intermediate area of the thalamic mediodorsal nucleus, extending obliquely throughout the entire length of the nucleus, projects to the most rostral portion of the prefrontal cortex; (2) the posterolateral portion of the mediodorsal nucleus projects to the proreal gyrus and the caudal part of the orbital gyrus; (3) the antero‐medial portion of the nucleus sends projection fibers to the subproreal gyrus and a greater part of the orbital gyrus; (4) the anterodorsal portion of the nucleus projects to the medial surface of the prefrontal cortex.