Itch Definitions, Gil Yosipovitch and Malcolm Greaves; Neurophysiologic Basis of Itch, Martin Schmelz and Herman O. Handwerker; Pain and Itch, Martin Schmelze and Herman O. Handwerker; Central Neural Mechanisms of Itch, David Andrew and Bud A. D. Craig; Animal Models of Itch - Scratching Away at the Problem, Earl Carstens and Yasushi Kiraishi; Histamine-Induced Discriminative and Affective Response Revealed by Functional MRI, Francis McGlone, Roman Rukweid, Matt Howard, and David Hitchcock; Central Nervous System Imaging of Itch with PET, Ulf Darsow, Alexander Drzezga and Johannes Ring; Skin Nerve Anatomy - Neuropeptide Distribution and its Relationship to Itch, Dieter Metze; Substance P and Itch, Tsugunobu Andoh and Yasushu Kiraishi; Peripheral Opiate Receptor System in Human Epidermis and Itch. P.L. Bigliardi and M. Bigliardi-Qi; Antipruritic Activity of a Novel K-Opioid Agonist TRK-820, Jun Utsumi, Yuko Togashi, Hideo Umeuchi, Kiyoshi Okano, Toshiaki Tanaka and Hiroshi Nagase; Putative Role of Cannabinoids in Experimentally Induced Itch and Inflammation in Human Skin, Roman Rukwied, Melitta Dvorak, Allan Watkinson and Francis McGlone; Itch Models in Animals, Jens Schiersing Thomsen; Human Itch Models with Special Emphasis on Itch in SLS-Inflamed and Normal Skin, Jens Schiersing Thomsen; Microdialysis in Itch Research, Martin Schmelz.