Modulation of cognitive performance and mood by aromas of peppermint and ylang-ylang

Moss, Mark, Hewitt, Steven, Moss, Lucy and Wesnes, Keith (2008) Modulation of cognitive performance and mood by aromas of peppermint and ylang-ylang. International Journal of Neuroscience, 118 (1). pp. 59-77. ISSN 0020-7454

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Official URL: http://dx.doi.org/10.1080/00207450601042094

Abstract

This study provides further evidence for the impact of the aromas of plant essential oils on aspects of cognition and mood in healthy participants. One hundred and forty-four volunteers were randomly assigned to conditions of ylang-ylang aroma, peppermint aroma, or no aroma control. Cognitive performance was assessed using the Cognitive Drug Research computerized assessment battery, with mood scales completed before and after cognitive testing. The analysis of the data revealed significant differences between conditions on a number of the factors underpinning the tests that constitute the battery. Peppermint was found to enhance memory whereas ylang-ylang impaired it, and lengthened processing speed. In terms of subjective mood peppermint increased alertness and ylang-ylang decreased it, but significantly increased calmness. These results provide support for the contention that the aromas of essential oils can produce significant and idiosyncratic effects on both subjective and objective assessments of aspects of human behavior. They are discussed with reference to possible pharmacological and psychological modes of influence.

Item Type: Article
Uncontrolled Keywords: essences and essential oils, memory, mood (Psychology)
Subjects: B300 Complementary Medicine
C800 Psychology
Department: Faculties > Health and Life Sciences > School of Life Sciences > Psychology
Depositing User: EPrint Services
Date Deposited: 07 May 2010 13:33
Last Modified: 08 May 2017 13:03
URI: http://nrl.northumbria.ac.uk/id/eprint/153

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