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Twenty-two subjects were asked to visualize positive and negative phrases following exposure to either chamomile oil or placebo. Chamomile oil significantly increased the latency for all images, and shifted mood ratings and frequency judgements in a more positive direction, suggesting a possible mode of action for such oils.


Journal article


Br J Med Psychol

Publication Date



65 ( Pt 2)


197 - 199


Adult, Affect, Arousal, Female, Humans, Imagination, Male, Reaction Time, Smell