I. Organization of the Projections of the Anterior Group of Nuclei and of the Midline Nuclei of the Thalamus to the Anterior Cingulate Gyrus and Hippocampal Rudiment in the Monkey
The views expressed in the literature on the cortical projection fields of the anterior nuclei, midline nuclei, and lateral dorsal nucleus of the thalamus are vague and often contradictory. LeGros Clark and Boggon5 were apparently the first to point out that the anterior thalamic nuclei in the cat project to the whole length of cingulate gyrus. Walker26 suggested that the anterior medial nucleus in the monkey projects to the inferior surface of the frontal lobe. Later he was inclined to the view that the anterior group of nuclei projects mainly to the posterior part of the cingulate gyrus and that the anterior part of the gyrus (area 24-LA in terminology used by us) "receives few if any fibers from the thalamus."27 Bailey and co-workers,1 using the neuronographic method of strychnine-evoked potentials also came to the conclusion that the anterior cingulate gyrus is athalamic. However, Mettler
YAKOVLEV PI, LOCKE S, KOSKOFF DY, PATTON RA. Limbic Nuclei of Thalamus and Connections of Limbic Cortex. Arch Neurol. 1960;3(6):620–641. doi:10.1001/archneur.1960.00450060008002
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