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A study found that exposing older adults to various odorants at night using an odorant diffuser improved their memory and increased activity in the uncinate fasciculus.
The article discusses how odors can trigger vivid memories and the neural mechanisms behind this phenomenon.
Odor-evoked memories, unlike other sensory memories, are particularly emotional, evocative, and visceral. Research shows that odors evoking positive autobiographical memories can increase positive emotions, reduce negative mood states, disrupt cravings, and lower physiological indices of stress, including systemic markers of inflammation.
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