Murdoch University Research Repository

Welcome to the Murdoch University Research Repository

The Murdoch University Research Repository is an open access digital collection of research
created by Murdoch University staff, researchers and postgraduate students.

Learn more

Effect of imagining and actually tasting a sour taste on one side of the tongue

Drummond, P.D.ORCID: 0000-0002-3711-8737 (1995) Effect of imagining and actually tasting a sour taste on one side of the tongue. Physiology and Behavior, 57 (2). pp. 373-376.

Link to Published Version:
*Subscription may be required


To determine whether images can stimulate brainstem reflexes directly, parotid salivation was measured bilater erally in 24 subjects when they imagined, and actually tasted, a sour taste on one side of the tongue. Salivation increased in both cheeks during unilateral gustatory stimulation; furthermore, the response was greater on the stimulated side than contralaterally, indicating that the gustatory reflex has a unilateral component. Subjects imagined the sour taste more clearly after actually experiencing it. However, salivation did not increase significantly during imagery trials, either before or after exposure to the sour taste; in fact, salivation to imagery decreased below baseline afte exposure. These findings suggest that extraneous factors (e.g. the emotional connotations of images, anxiety, discomfort, repetitive measurement or fatigue) might sometimes inhibit specific reflex activity induced by images.

Item Type: Journal Article
Murdoch Affiliation(s): School of Psychology
Publisher: Elsevier
Copyright: © 1995 Published by Elsevier Inc.
Item Control Page Item Control Page