Taste and olfactory status in a gourmand with a right amygdala lesion

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Author list: Gallo, M., Gámiz, F., Perez-García, M., del Moral, R.G., Rolls, E.T.
Publisher: Taylor & Francis (Routledge): STM, Behavioural Science and Public Health Titles
Publication year: 2014
Volume number: 20
Issue number: 4
Start page: 421
End page: 433
Number of pages: 13
ISSN: 1355-4794
Languages: English-Great Britain (EN-GB)


Abstract

In a patient with a lesion of the right amygdala and temporal pole who had the characteristics of the gourmand syndrome, sensory and hedonic testing was performed to examine the processing of taste, olfactory, and some emotional stimuli. The gourmand syndrome describes a preoccupation with food and a preference for fine eating and is associated with right anterior lesions. It was found that the taste thresholds for sweet, salt, bitter, and sour were normal; that the patient did not dislike the taste of salt (NaCl) at low and moderate concentrations as much as age-matched controls; that this also occurred for monosodium glutamate (MSG); that there were some olfactory differences from normal controls; and that there was a marked reduction in the ability to detect face expressions of disgust. © 2013 © 2013 Taylor & Francis.


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Neuroscience


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