What is Linda B. Buck's theory on smell?
My central idea revolves around the concept of combinatorial coding in olfaction. We found a surprisingly large family of olfactory receptor genes. The key insight is that it's not one receptor for one odor. Instead, a specific odorant molecule can bind to multiple receptors, and a single receptor can bind to multiple odorants. The brain then interprets the unique combination of activated receptors to identify a specific smell. This combinatorial nature allows for the discrimination of an immense repertoire of odors from a limited number of receptor types.
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