Historical Overview:J.D. Schmahmann, Rediscovery of an Early Concept.Anatomic Substrates:J.D. Schmahmann and D.N. Pandya, The Cerebrocerebellar System.F.A. Middleton and P.L. Strick, Cerebellar Output Channels.D.E. Haines, E. Dietrichs, G.A. Mihailoff, and E.F. McDonald, Cerebellar-Hypothalamic Axis: Basic Circuits and Clinical Observations.Physiological Observations:A.J. Berman, Amelioration of Aggression: Response to Selective Cerebellar Lesions in the Rhesus Monkey.D.J. Reis, Autonomic and Vascular Regulation.R.F. Thompson, S. Bao, L. Chen, B.D. Cipriano, J.S. Grethe, J.J. Kim, J.K. Thompson, J.-A. Tracy, M.S. Weninger, and D.J. Krupa, Associative Learning.R. Lalonde, Visualspatial Abilities.M. Molinari, L. Petrosini, and L.G. Grammaldo, Spatial Event Processing.Functional Neuroimaging Studies:J.A. Fiez and M.E. Raichle, Linguistic Processing.L.M. Parsons and P.T. Fox, Sensory and Cognitive Functions.J. Doyon, Skill Learning.Clinical and Neurophysiological Observations:M. Hallett and J. Grafman, Executive Function and Motor Skill Learning.M. Molinari, M.G. Leggio, and M.C. Silveri, Verbal Fluency and Agrammatism.D.S. Woodruff-Pak, Classical Conditioning.M.L.Bauman, P.A. Filipek, and T.L. Kemper, Early Infantile Autism.T. Botez-Marquard and M.I. Botez, Olivopontocerebellar Atrophy and Friedrich's Ataxia: Neurophychological Consequences of Bilateral versus Unilateral Cerebellar Lesions.I.F. Pollack, Posterior Fossa Syndrome.J.D. Schmahmann and J.C. Sherman, Cerebellar Cognitive Affective Syndrome. C.W. Wallesch and C. Bartels, Inherited Cerebellar Diseases.I. Daum and H. Ackermann, Neuropsychological Abnormalities in Cerebellar Syndromes--Fact or Fiction?Theoretical Considerations:M. Ito, Cerebellar Microcomplexes.J.M. Bower, Control of Sensory Data Acquisition.M. Paulin, Neural Representations of Moving Systems.H.C. Leiner and A.L. Leiner, How Fibers Subserve Computing Capabilities: Similarities between Brains and Machines.R. Ivry, Cerebellar Timing System.N.A. Akshoomoff, E. Courchesne,and J. Townsend, Attention Coordination and Anticipatory Control.W.T. Thach, Context-Response Linkage.J.R. Bloedel and V. Bracha, Duality of Cerebellar Motor and Cognitive Functions.Future Directions:J.D. Schmahmann, Therapeutic and Research Implications.Index.Contents of Recent Volumes.