The Neuroscience of the Unexplained
The Neuroscience of Aromatherapy
The olfactory bulb, the amygdala, lavender and linalool, olfactory-limbic connectivity and why smell is the only sense that bypasses the thalamus
946-word article with 10 Harvard references.
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Aromatherapy makes claims that range from the modest to the extravagant. Some are supported by rigorous neuroscience. Smell is unique among the senses: it is the only modality with a direct anatomical connection to the amygdala and hippocampus, bypassing the thalamic relay that filters every other sensory input. This article examines what the olfactory system actually does, what the evidence says about specific compounds like linalool and limonene, and where the line falls between established neuroscience and commercial overclaiming.
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