9 Editorial Note (Claus Pias)11 - 26 The Age of Cybernetics (Claus Pias)29 - 40 Introductory Discussion41 - 65 The Psychological Moment in Perception (John Stroud)66 - 97 The Neurotic Potential and Human Adaptation (Lawrence S. Kubie)98 - 121 Quantum Mechanical Theory of Memory (Heinz von Foerster)122 - 159 Possible Mechanisms of Recall and Recognition160 - 162 Sensory Prosthesises (Norbert Wiener)163 - 164 References (1949)166 1950. Participants167 - 168 Josiah Macy, Jr. Foundation Conference Program (1950) (Frank Fremont-Smith)169 Introductory Remarks (Warren S. McCulloch)171 - 202 Some of the Problems Concerning Digital Notions in the Central Nervous System (Ralph W. Gerard)203 - 247 The Manner in Which and Extent to Which Speech Can Be Distorted and Remain Intelligible (J.C.R. Licklider)248 - 272 The Redundancy of English (Claude E. Shannon)273 - 290 Experience in Learning Primitive Languages Through the Use of Learning High Level Linguistic Abstractions (Margaret Mead)291 - 302 On the Development of Word Meanings (Heinz Werner)303 - 306 The Development of Language in Early Childhood (John Stroud)307 - 325 The Relationship of Symbolic Function in Language Formation and in Neurosis (Lawrence S. Kubie)326 - 334 Appendix I: Body Symbolization and Development of Language (Lawrence S. Kubie)335 Appendix II: References (1950)338 1951. Participants339 - 340 Josiah Macy, Jr. Foundation Conference Program (1951) (Frank Fremont-Smith)341 - 348 A Note by the Editors (1951) (Margaret Mead, Hans Lukas Teuber, Heinz von Foerster)349 - 381 Communication Patterns in Problem-Solving Groups (Alex Bavelas)382 - 415 Communication Between Men (Ivor A. Richards)416 - 445 Communication Between Sane and Insane (Lawrence S. Kubie)446 - 473 Communication Between Animals (Herbert G. Birch)474 - 479 Presentation of a Maze-Solving Machine (Claude E. Shannon)480 - 509 In Search of Basic Symbols (Donald M. MacKay)511 - 523 Appendix I: The Nomenclature of Information Theory (Donald M. MacKay)525 - 528 Appendix II: References (1951)530 1952. Participants531 - 532 Josiah Macy, Jr. Foundation Conference Program (1952) (Frank Fremont-Smith)533 - 540 A Note by the Editors (1952) (Margaret Mead, Hans Lukas Teuber, Heinz von Foerster)541 - 574 The Position of Humor in Human Communication (Gregory Bateson)575 - 592 The Place of Emotions in the Feedback Concept (Lawrence S. Kubie)593 - 619 Homeostasis (W. Ross Ashby)620 - 628 Discrimination and Learning in Octopus (J.Z. Young)629 - 633 Reduction of the Number of Possible Boolean Functions (John R. Bowman)634 - 650 Central Excitation and Inhibition (Ralph W. Gerard)651 - 653 Mechanical Chess Player (W. Ross Ashby)654 - 656 Turbulence as Random Stimulation of Sense Organs (G. Evelyn Hutchinson)657 - 665 Investigations on Synaptic Transmission (Walter Pitts)666 - 676 Feedback Mechanism in Cellular Biology (Henry Quastler)677 - 679 Appendix I: References (1952)682 1953. Participants683 Foreword (Frank Fremont-Smith)685 - 686 The Josiah Macy, Jr. Foundation Conference Program (1953) (Frank Fremont-Smith)687 - 688 Introductory Remarks (Warren S. McCulloch)689 - 696 Studies on Activity of the Brain (W. Grey-Walter)697 - 706 Semantic Information and its Measures (Yehoshua Bar-Hillel)707 - 718 Meaning in Language and How it is Acquired (Yuen Ren Chao)719 - 725 Appendix I: Summary of the Points of Agreement Reached in the Previous Nine Conferences on Cybernetics (Warren S. McCulloch)727 - 728 Appendix II: References (1953)729 - 734 Index