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Olfactory-tactile compatibility effects demonstrated using a variation of the Implicit Association Test
M Luisa Demattè1, Daniel Sanabria, Charles Spence
1Department of Experimental Psychology, University of Oxford, South Parks Road, Oxford, UK. dematte@form.unitn.it
Acta Psychologica
|June 10, 2006
Summary
This study used an indirect measure to confirm crossmodal associations between smell and touch. Faster reaction times in compatible trials demonstrate stable olfactory-tactile links influencing performance.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Sensory Perception
Background:
- Previous research suggests crossmodal associations between olfaction and touch.
- These associations were primarily demonstrated using subjective reports.
- The need for objective, indirect measures of these associations was identified.
Purpose of the Study:
- To investigate olfactory-tactile crossmodal associations using an indirect measure.
- To determine if these crossmodal associations influence performance objectively.
- To provide empirical evidence for stable olfactory-tactile links.
Main Methods:
- A modified Implicit Association Test (IAT) was employed.
- Participants performed speeded discrimination tasks with olfactory (lemon/animal) and tactile (soft/rough) stimuli.
- Response times were compared between compatible and incompatible stimulus-response mappings.
Main Results:
- Participants responded significantly faster in compatible blocks compared to incompatible blocks.
- This indicates a measurable association between specific olfactory and tactile stimuli.
- The findings confirm the existence of olfactory-tactile crossmodal associations.
Conclusions:
- Olfactory-tactile crossmodal associations can be demonstrated using indirect measures like the IAT.
- These crossmodal associations are robust and influence task performance even when task-irrelevant.
- This study provides the first empirical evidence for stable olfactory-tactile associations influencing performance indirectly.