Next Article in Journal
A Large Area Tactile Sensor Patch Based on Commercial Force Sensors
Previous Article in Journal
A Survey on Multimedia-Based Cross-Layer Optimization in Visual Sensor Networks
Previous Article in Special Issue
Odour Detection Methods: Olfactometry and Chemical Sensors
Article Menu

Export Article

Open AccessReview
Sensors 2011, 11(5), 5469-5488;

Cognitive Facilitation Following Intentional Odor Exposure

Department of Psychology, Coventry University, UK
Received: 13 April 2011 / Revised: 10 May 2011 / Accepted: 17 May 2011 / Published: 19 May 2011
(This article belongs to the Special Issue Direct and Indirect Sensing of Odor and VOCs and Their Control)
Full-Text   |   PDF [196 KB, uploaded 21 June 2014]


This paper reviews evidence that, in addition to incidental olfactory pollutants, intentional odor delivery can impact cognitive operations both positively and negatively. Evidence for cognitive facilitation/interference is reviewed alongside four potential explanations for odor-induced effects. It is concluded that the pharmacological properties of odors can induce changes in cognition. However, these effects can be accentuated/attenuated by the shift in mood following odor exposure, expectancy of cognitive effects, and cues to behavior via the contextual association with the odor. It is proposed that greater consideration is required in the intentional utilization of odors within both industrial and private locations, since differential effects are observed for odors with positive hedonic qualities. View Full-Text
Keywords: odors; cognitive facilitation; memory; alertness; essential oils odors; cognitive facilitation; memory; alertness; essential oils
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

Share & Cite This Article

MDPI and ACS Style

Johnson, A.J. Cognitive Facilitation Following Intentional Odor Exposure. Sensors 2011, 11, 5469-5488.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Sensors EISSN 1424-8220 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top