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Revista médica de Chile

versión impresa ISSN 0034-9887


FUENTES, Aler et al. Olfactory sensory perception. Rev. méd. Chile [online]. 2011, vol.139, n.3, pp.362-367. ISSN 0034-9887.

The five senses have had a fundamental importance for survival and socialization of human beings. From an evolutionary point of view the sense of smell is the oldest. This sense has a strong representation within the genome, allowing the existence of many types of receptors that allow us to capture multiple volatile odor producing molecules, sending electrical signals to higher centers to report the outside world. Several cortical areas are activated in the brain, which are interconnected to form an extensive and complex neural network, linking for example, areas involved with memory and emotions, thus giving this sense of perceptual richness. While the concept of fl avor is largely related to the sense of taste, smell provides the necessary integration with the rest of the senses and higher functions. Fully understanding the sense of smell is relevant to health professionals. Knowing the characteristics of the receptors, the transduction processes and convergence of information in the higher centers involved, we can properly detect olfactory disorders in our patients.

Palabras clave : Olfaction disorders; Olfactory perception; Olfactory receptor neurons.

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