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Robert J. Schwartzman, MD

Arch Neurol. 1970;23(5):419-429.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

THE NEUROPHYSIOLOGICAL characteristics of the ventrobasilar complex (VB) of the thalamus have been well defined in rabbit,¹ cat,^2,3 monkey,^4-9 and man.^10,11 Somatotrophic localization is manifest by representation of the face in ventralis posterior medialis (VPM), with the arm, trunk, and leg extending from the medial to lateral portions of ventralis posterior lateralis (VPL). Each body part is represented by a lamellar group of cells; the distal parts of the limbs are represented ventrally and the axial portions dorsally; thoracic and lumbar areas are represented only dorsally. The number of thalamic cells activated from the body surface is proportional to the number of sensory receptors in that area. This pattern of topographic localization has been confirmed in man during the course of stereothalamotomies for movement disorders.¹² In man there may also be a second somatotrophically organized area in VB, located posteriorly and oriented vertically to . . . [Full Text PDF of this Article]

Author Affiliations
Philadelphia

From the Department of Neurology, University of Pennsylvania Medical School, Philadelphia.

Footnotes
Accepted for publication Feb 13, 1970.

Reprint requests to 2520 30th St, Washington, DC (Dr. Schwartzman).

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