scholarly journals Human Olfaction at the Intersection of Language, Culture, and Biology

2020 ◽  
Author(s):  
Asifa Majid
Keyword(s):  
Human Olfaction

scholarly journals Molecular Vibration-Sensing Component in Human Olfaction

PLoS ONE ◽  
2013 ◽  
Vol 8 (1) ◽  
pp. e55780 ◽  
Author(s):  
Simon Gane ◽  
Dimitris Georganakis ◽  
Klio Maniati ◽  
Manolis Vamvakias ◽  
Nikitas Ragoussis ◽  
...  
Keyword(s):  
Molecular Vibration ◽  
Vibration Sensing ◽  
Human Olfaction

The role of the mediodorsal thalamic nucleus in human olfaction

Neurocase ◽  
2011 ◽  
Vol 17 (2) ◽  
pp. 148-159 ◽  
Author(s):  
Wendy W. P. Tham ◽  
Richard J. Stevenson ◽  
Laurie A. Miller
Keyword(s):  
Thalamic Nucleus ◽  
Mediodorsal Thalamic Nucleus ◽  
Human Olfaction

scholarly journals Techniques in the Quantitative Study of Human Olfaction

1992 ◽  
pp. 279-308 ◽  
Author(s):  
William S. Cain ◽  
J. Enrique Cometto-Muñiz ◽  
René A. de Wijk
Keyword(s):  
Quantitative Study ◽  
Human Olfaction

scholarly journals State of the art olfactometers. Different types

2021 ◽  
Keyword(s):  
Human Beings ◽  
Pathological Conditions ◽  
New Concepts ◽  
Different Types ◽  
Clinical Diagnoses ◽  
Human Use ◽  
The Brain ◽  
Very High ◽  
Human Olfaction

The complexity of human olfaction is very high and the importance of being able to measure it directly, objectively and qualitatively has led experts to search for mechanisms that can be applied. Human beings use this sense, which is one of the oldest, to recognize danger and distinguish between pleasant and unpleasant odors. Smells are mixtures of molecules that, at different concentrations in the inhaled air, stimulate the olfactory area and are recognized at the brain level. Therefore, there is a coding and decoding system. Human olfactometer techniques use equipment designed to be able to measure its intensity and quality of volatile substances. If we are able to measure this sense, we will be able to know its variations and be able to make clinical diagnoses in normal and pathological conditions and diagnose the losses that occur in certain infectious, degenerative diseases, traumatic processes and other variants. For many years, systems have been developed that can measure subjective olfaction in humans, as well as objective forms, but it is also true that there is no equipment available that is fast, simple handling and that can be applied in daily clinical services. Aim of the Study Present the recent achievements in olfactometer technology; Elaborate the scientific articles about olfactometry published mainly in the last 10 years; To gather the information published in the last years in relation to the usefulness, existence in the market and purposes of equipment that can measure the odors, what we will call the Smell-o-meter or olfactometer for human use. Material and Methods: In the first part of this research we will gather most of the information existing so far in international bibliography, as well as the achievements and utilities obtained to date. Following, we will analyze all the new concepts related to smell-o-meters devices that exist on the market and assess the possibility, based on what has been done so far, to seek new practical systems for application in the medical field.

scholarly journals Human Olfaction: It Takes Two Villages

2018 ◽  
Vol 28 (3) ◽  
pp. R108-R110 ◽  
Author(s):  
Jonas K. Olofsson ◽  
Donald A. Wilson
Keyword(s):  
Human Olfaction

scholarly journals Humans navigate with stereo olfaction

2020 ◽  
Vol 117 (27) ◽  
pp. 16065-16071 ◽  
Author(s):  
Yuli Wu ◽  
Kepu Chen ◽  
Yuting Ye ◽  
Tao Zhang ◽  
Wen Zhou
Keyword(s):  
Apparent Motion ◽  
Optic Flow ◽  
Spatial Navigation ◽  
Olfactory Cues ◽  
Trigeminal System ◽  
Human Navigation ◽  
Psychophysical Testing ◽  
Behavioral Evidence ◽  
Self Motion ◽  
Human Olfaction

Human navigation relies on inputs to our paired eyes and ears. Although we also have two nasal passages, there has been little empirical indication that internostril differences yield directionality in human olfaction without involving the trigeminal system. By using optic flow that captures the pattern of apparent motion of surface elements in a visual scene, we demonstrate through formal psychophysical testing that a moderate binaral concentration disparity of a nontrigeminal odorant consistently biases recipients’ perceived direction of self-motion toward the higher-concentration side, despite that they cannot verbalize which nostril smells a stronger odor. We further show that the effect depends on the internostril ratio of odor concentrations and not the numeric difference in concentration between the two nostrils. Taken together, our findings provide behavioral evidence that humans smell in stereo and subconsciously utilize stereo olfactory cues in spatial navigation.

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