1. Ahmad, A., and Spear, P. D., 1993, Effects of aging on the size, density, and numbers of rhesus monkey lateral geniculate neurons, J. Comp. Neurol. 334:631–643.
2. Adams, I., 1987, Comparison of synaptic changes in the precentral and postcentral cerebral cortex of aging humans: A quantitative ultrastructural study, Neurobiol. Aging 8:203–212.
3. Albert, M. S., 1993, Neuropsychological and neurophysiological changes in healthy adult humans across the age range, Neurobiol. Aging 14:623–625.
4. Albert, M. S., and Moss, M. B., 1984, The assessment of memory disorders in patients with Alzheimer’s disease, in: Neuropsychology of Memory (L. Squire and N. Butters, eds.), Guilford, New York, pp. 236–246.
5. Amaral, D. D., 1993, Morphological analyses of the brains of behaviorally characterized aged nonhuman primates, Neurobiol. Aging 14:671–672.