Sensory-specific satiety-related olfactory activation of the human orbitofrontal cortex
When a food is eaten to satiety, its reward value decreases. This decrease is usually greater for the food eaten to satiety than for other foods, an effect termed sensory-specific satiety. In an fMRI investigation it was shown that for a region of the orbitofrontal cortex the activation produced by...
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| Veröffentlicht in: | Neuroreport 2000-03, Vol.11 (4), p.893-897 |
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| creator | OʼDoherty, J Rolls, E T Francis, S Bowtell, R McGlone, F Kobal, G Renner, B Ahne, G |
| description | When a food is eaten to satiety, its reward value decreases. This decrease is usually greater for the food eaten to satiety than for other foods, an effect termed sensory-specific satiety. In an fMRI investigation it was shown that for a region of the orbitofrontal cortex the activation produced by the odour of the food eaten to satiety decreased, whereas there was no similar decrease for the odour of a food not eaten in the meal. This effect was shown both by a voxel-wise SPM contrast (p < 0.05 corrected) and an ANOVA performed on the mean percentage change in BOLD signal in the identified clusters of voxels (p < 0.006). These results show that activation of a region of the human orbitofrontal cortex is related to olfactory sensory-specific satiety. |
| doi_str_mv | 10.1097/00001756-200003200-00046 |
| format | Article |
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| source | MEDLINE; Journals@Ovid Complete |
| subjects | Biological and medical sciences Eating - physiology Fundamental and applied biological sciences. Psychology Humans Magnetic Resonance Imaging Observer Variation Olfactory Pathways - anatomy & histology Olfactory Pathways - physiology Olfactory system and olfaction. Gustatory system and gustation Prefrontal Cortex - anatomy & histology Prefrontal Cortex - physiology Receptors, Odorant - physiology Reward Satiation - physiology Smell - physiology Vertebrates: nervous system and sense organs |
| title | Sensory-specific satiety-related olfactory activation of the human orbitofrontal cortex |
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