J. Allan Hobson is professor of psychiatry at Harvard Medical School and director of the labouratory of Neurophysiology, Massachusetts Mental Health centre.

• * Introduction: A Brain-Based Approach to Dreaming Early Dream Science * The Study of Dreaming in the Nineteenth Century * Psychoanalysis and Dreaming * Dream Investigation in the Early Twentieth Century Dreaming And Neurobiology * A Spark of Natures Fire: The Electrical Brain * The Regulation of Consciousness by the Brain Stem * The Discovery of REM Sleep and Dreaming A New Model Of The Dreaming Brain * A Window on the Brain: Neural Activity * A War of Nerves: The Reciprocal-Interaction Model of REM-Sleep Generation * The Brain as a Dream Machine: An Activation-Synthesis Hypothesis of Dreaming Dream Form: The Journal Of The Engine Man * The Form of Dreams * The Form of Dream Sensation * The Form of Dream Movement * The Bizarreness of Dreams * The Interpretation of Dream Form The Future Of Dream Science * The Functions of REM Sleep and Dreaming