Based on a conference held at the University of Umea, Sweden, these papers discuss the scientific status of the field of aversive learning from historical, affective, clinical, neurobiological, cognitive, neuroethological, and conceptual perspectives. Aversion, Avoidance, Anxietycarries readers through the history of the field's development, looks at the current state of progress, and discusses future research and therapeutic possibilities. The editors provide introductions to each chapter containing both timely information and background data to help readers systhesize and assimilate the information. Contents: Part I:Introduction.J.B. Overmier, T. Archer,Historical Perspectives on the Study of Aversively Motivated Behavior: History and New Look. Part II:Perspectives on the Determinants of Hedonic Value (Taste-Aversion Learning).J. Garcia,Food for Tolman: Cognition and Cathexis in Concert. P.O. Sj d n, T. Archer,Taste-Aversion Conditioning: The Role of Contextual Stimuli. F. Berm dez-Rattoni, M.A. S nches, R.A. Prado-Alcal ,Learning of External and Visceral Cue Consequences May Be Subserved by Different Neuroanatomical Substrates. Part III:Clinical Perspectives on Aversively Motivated Behavior.K. Hugdahl,Human Pavlovian Aversive Conditioning: Effects of Brain Asymmetry and Stimulus Lateralization. A. hman, U. Dimberg, F. Esteves,Preattentive Activation of Aversive Emotions. S. Mineka, A.J. Tomarken,The Role of Cognitive Biases in the Origins and Maintenances of Fear and Anxiety Disorders. Part IV:Neurobiological Perspectives on Aversively Motivated Behavior.J.L. McGaugh, I.B. Introini-Collison, A.H. Naghara, L. Cahill,Involvement of the Amygdala in Hormonal and Neurotransmitter Interactions in the Modulation of Memory Storage. R.F. Thompl“