In Olfaction: From Percept to Molecule (pp. 321-342 of The Cognitive Neurosciences, Fourth Edition, MIT Press, 2009), Yaara Yeshurun, Hadas Lapid, Rafi Haddad, Shani Gelstien, Anat Arzi, Lee Sela, Aharon Weisbrod, Rehan Khan, and Noam Sobel present a correlation of two first principal components. One, a first principal component of olfactory perception, which they name pleasantness, and two, a first principal component of physicochemistry, which they name molecular weight.
Their interest is in identifying vectors of research similar to those of other sensations, like pitch and frequency for auditory signals, in order to support a parallel investigation for olfactory signals, even though those latter signals are processed by the brain differently from other signals; olfactory signals go directly to the cortex before going to the thalamus, whereas other signals go to the thalamus first.
My interest here is different, and I definititely plead weirdly ignorant here. There is something in my own feeling of consciousness that is reminiscent of my feeling of odor. This is just a hunch. When I say "I feel good this morning", it that pleasantness related to consciousness; and if it is, is that pleasantness scale similar to that of odor in terms of its relationship to a physical vector which would be that of consciousness?
Bertrand du Castel
Their interest is in identifying vectors of research similar to those of other sensations, like pitch and frequency for auditory signals, in order to support a parallel investigation for olfactory signals, even though those latter signals are processed by the brain differently from other signals; olfactory signals go directly to the cortex before going to the thalamus, whereas other signals go to the thalamus first.
My interest here is different, and I definititely plead weirdly ignorant here. There is something in my own feeling of consciousness that is reminiscent of my feeling of odor. This is just a hunch. When I say "I feel good this morning", it that pleasantness related to consciousness; and if it is, is that pleasantness scale similar to that of odor in terms of its relationship to a physical vector which would be that of consciousness?
Bertrand du Castel
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