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The genetics and neuroscience of flavour


id="flavourneuro" subtype="theme_series_editor" type="BMC">Kathrin Ohla and Richard Newcomb

Not only do eating and drinking provide the energy and nutrients we require to sustain life; they are also a great source of pleasure. The consumption of food is typically a multimodal experience, with the term flavour used to describe the holistic sensory experience we have during eating. At its most basic, it captures the joint sensations of taste and olfaction. However, in a wider sense, flavour covers all sensory experiences related to food intake, both chemical (such as smell, taste, chemical irritation and pain) and nonchemical (for example, the temperature, mouth feel, the visual appearance of the food and the sounds it makes when we eat it). Despite decades of research in these areas, we are only just beginning to understand the mechanisms that underlie these senses and the integration of their signals. Perhaps one of the first lessons learnt is that complex interactions between the senses are at play, with flavour not simply being the sum of its sensorial parts.

Two disciplines and associated sets of technologies are now making significant contributions to flavour research. Neuroscience, with its new noninvasive methods of investigating responses and interactions in the brain, is being bought to bear on questions of sensory integration and hedonics. In addition, genetics, with the availability of many human genome sequences and rapid methods for assessing genetic variation and identifying genes involved in sensory perception, can now contribute to questions of mechanism and differences among individuals in flavour experience.

This special issue covers neural processing and the genetic foundations of flavour perception. We welcome contributions, original research papers and integrative reviews and papers describing innovative research methods, from systems and cognitive neuroscience, neurobiology, genetics, medicine, psychology and related disciplines.

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Correspondence to Richard D Newcomb or Kathrin Ohla.

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Both authors declare that they have no competing interests.

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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Newcomb, R.D., Ohla, K. The genetics and neuroscience of flavour. Flavour 2, 17 (2013).

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