This text celebrates the fourth Tsukuba International Conference on Memory (Tic4) held in January of 2003, by setting forth productive directions for memory researchers and human learning theorists around the world. It presents fascinating perspectives o

Contents: W.K. Estes, Foreword. C. Izawa, N. Ohta, Preface: Welcome to the 4th Tsukuba International Conference on Memory (Tic4)--Human Learning and Memory: Advances in Theory and Application. C. Izawa, Introduction and Contributors to the 4th Tsukuba International Conference on Memory (Tic4)--Human Learning and Memory: Advances in Theory and Application. C. Izawa, R.G. Hayden, M. Franklin, Newly Uncovered Psychophysiological Processes and Study-Test-Rest (S-T-R) Presentation Program Effects for Optimal Learning: Empirical and Theoretical Investigations. M.S. Humphreys, A.M. Maguire, Recollection and Familiarity: Redundancy at the Item Level. J.G.W. Raaijmakers, Modeling Implicit and Explicit Memory. C. Izawa, S. Maxwell, R.G. Hayden, M. Matrana, A.J.E.K. Izawa-Hayden, Optimal Foreign Language Learning and Retention: Theoretical and Applied Investigations on the Effects of Presentation Repetition Programs. A.F. Healy, J.A. Kole, E.L. Wohldmann, C.J. Buck-Gengler, J.T. Parker, L.E. Bourne, Jr., Optimizing the Speed, Durability, and Transferability of Training. N. Cowan, Working-Memory Capacity Limits in a Theoretical Context. D.L. Nelson, C.L. McEvoy, Implicitly Activated Memories: The Missing Links of Remembering. L. Hasher, D. Goldstein, C.P. May, It's About Time: Circadian Rhythms, Memory, and Aging. C.J. Brainerd, Fuzzy-Trace Theory: Memory. V.F. Reyna, Fuzzy-Trace Theory, Judgment, and Decision-Making: A Dual-Processes Approach. C. Izawa, Postscript: Closing Remarks, and Appendixes (All Contributors to the 4th Tsukuba International Conference on Memory (Tic4)--Human Learning and Memory: Advances in Theory and Application).