Elimination of Unpleasant Odors of Putrefied Seafoods
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چکیده
منابع مشابه
Effect of Aging on Hedonic Appreciation of Pleasant and Unpleasant Odors
Does hedonic appreciation evolve differently for pleasant odors and unpleasant odors during normal aging? To answer this question we combined psychophysics and electro-encephalographic recordings in young and old adults. A first study showed that pleasant odorants (but not unpleasant ones) were rated as less pleasant by old adults. A second study validated this decrease in hedonic appreciation ...
متن کاملNeural mechanisms of anhedonia in schizophrenia: a PET study of response to unpleasant and pleasant odors.
CONTEXT Loss of the capacity to experience pleasure (anhedonia) is a core clinical feature of schizophrenia. Although functional imaging techniques have been successful in identifying the neural basis of cognitive impairments in schizophrenia, no attempts to date have been made to investigate neural systems underlying emotional disturbances. OBJECTIVE To study the neural basis of emotional pr...
متن کاملPleasant and Unpleasant Odors Influence Hedonic Evaluations of Human Faces: An Event-Related Potential Study
Odors can alter hedonic evaluations of human faces, but the neural mechanisms of such effects are poorly understood. The present study aimed to analyze the neural underpinning of odor-induced changes in evaluations of human faces in an odor-priming paradigm, using event-related potentials (ERPs). Healthy, young participants (N = 20) rated neutral faces presented after a 3 s pulse of a pleasant ...
متن کاملFunctional MR imaging of regional brain responses to pleasant and unpleasant odors.
BACKGROUND AND PURPOSE Odors can elicit a range of behaviors and emotions. Our purpose was to identify regional activation of the human cerebral cortex in response to pleasant (positive hedonic value) and unpleasant (negative hedonic value) odors. METHODS Thirteen neurologically normal adults underwent functional MR imaging of frontal and anterior temporal brain regions with a gradient-echo e...
متن کاملelimination of btex , voc vapors from glycol in gas hydrant unit
during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...
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ژورنال
عنوان ژورنال: NIPPON SUISAN GAKKAISHI
سال: 1990
ISSN: 0021-5392,1349-998X
DOI: 10.2331/suisan.56.1013