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Examination of Human Chemosensory Function

Recently, an increased understanding of olfaction and gustation has underlined the critical importance of these senses in determining how humans respond to their environment. In particular, the olfactory system has yielded information about intracellular signaling via cyclic AMP formation, the evolution of large multigene families, and the processing of sensory information by the central nervous system. Recent advances in the study of taste have led to the identification of new receptor proteins for detection of bitter and sweet taste. In this article, we report some recent advances in chemosensory research, and present experiments that examine chemosensory function in humans by a hands-on, inquiry-based approach.