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Taste remains one of the least-explored human senses. Cortical taste responses were investigated using neuroimaging in 40 subjects tasting a range of different taste stimuli compared to a neutral tasteless control. Activation was found in the anterior insula/frontal opercular taste cortex and caudal orbitofrontal cortex, both areas established as taste cortical areas by neuronal recordings in primates. A novel finding in this study was a highly significant response to taste in the dorsolateral prefrontal cortex. This may reflect an effect of taste on cognitive processing to help optimise or modify behavioural strategies involved in executive control; or it could reflect the engagement of this region in attentional processing by a taste input.

Original publication

DOI

10.1016/j.neuroimage.2003.09.063

Type

Journal article

Journal

Neuroimage

Publication Date

02/2004

Volume

21

Pages

781 - 788

Keywords

Adult, Afferent Pathways, Brain Mapping, Cerebral Cortex, Discrimination Learning, Dominance, Cerebral, Female, Gyrus Cinguli, Humans, Image Enhancement, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Neural Pathways, Neurons, Prefrontal Cortex, Smell, Taste, Taste Buds