the existence of distinct functional levels in the motor system (e.g., Garrett, 1982; Keele, 1981). Our data constitutes some of the strongest evidence we know of for this claim.
We thank Mark Feinstein, Steven Keele, Sylvan Kornblum, Judith Kroll, Saul Sternberg, Neil Stillings, and Robert Welker for helpful suggestions, and Craig Bonner for technical assistance. Preparation of this chapter was supported in part by a grant from the Mellon Foundation and grant BNS-8120104 from the National Science Foundation.
Collard R., & Povel D-J. "Theory of serial pattern production: Tree traversals". Psychological Review, 1982, 89, 693-707.
Evarts E. V., Bizzi E., Burke R. E., DeLong M., & Thach W. T., Jr. "Central control of movement". Neurosciences Research Program Bulletin, 1971, 9. No. 1.
Garrett M. F. Production of normal speech: Observations from normal and pathological language use. In A. Ellis (Ed.), Normality and pathology in cognitive functions. London: Academic Press, 1982.
Keele S. W. "Movement control in skilled motor performance". Psychological Bulletin, 1968, 70, 387-403.
Keele S. W. Behavioral analysis of movement. In V. B. Brooks (Ed.), Handbook of physiology. Baltimore: American Physiological Society, 1981.
Klapp S. T. Reaction time analysis of programmed control. In R. Hutton (Ed.), Exercise and sports sciences reviews, (Vol. 5). Santa Barbara, Calif.: Journal Publishing Affiliates, 1978.
MacKay D. G. "The problems of flexibility, fluency, and speed-accuracy trade-off in skilled behavior". Psychological Review, 1982, 89, 483-506.
Miller J. "Discrete versus continuous stage models of human information processing: In search of partial output". Journal of Experimental psychology: Human Perception and Performance, 1982, 8, 273-296.
Reitman J. S., & Rueter H. H. "Organization revealed by recall orders and confirmed by pauses". Cognitive Psvchology, 1980, 12, 554-581.
Rosenbaum D. A. "Human movement initiation: Specification of arm, direction, and extent". Journal of Experimental Psychology: General, 1980, 109, 444-474.
Shaffer L. H. "Control processes in typing". Quarterly Journal of Experimental Psychology, 1975, 27, 419-432.
Sternberg S., Monsell S., Knoll R. L., & Wright C. E. The latency and duration of rapid movement sequences: Comparisons of speech and typewriting. In G. E. Stelmach (Ed.), Information processing in motor control and learning. New York: Academic Press, 1978.