Since the establishment of stereotaxic surgery as a therapeutic procedure of value in the management of Parkinsonism and the dyskinesias, most centres specializing in this operation have carried it out bilaterally in some of their patients. However, bilateral stereotaxic surgery has been associated with a certain amount of hazard, somewhat greater than in the case of unilateral operations. Ther...

A stereotaxic brain atlas of the longtailed macaque (Macaca fascicularis) is presented in a format suitable for use as a template atlas of the macaque brain. It includes most of the brain segmented to show the boundaries of landmark structures such that every point in the brain can be represented by a unique set of coordinates in three-dimensional space and ascribed unambiguously to one and onl...