Magnetic field conditioned taste aversion in rats

Physiology & Behavior
C M NolteJames C Smith

Abstract

Conditioned taste aversion is a common classic conditioning procedure used to identify noxious stimuli. When a rat is given a taste solution, the conditioned stimulus (CS), followed by an unpleasant experience, the unconditioned stimulus (US), the rat will avoid consumption of the CS in future presentations. These experiments use the taste aversion procedure to examine the effect of exposure to a high magnetic field. A solution consisting of 3.0 g glucose and 1.25 g saccharin per 1 L of solution (G+S) was used as the CS and a 9.4-T magnet served as the US. In Experiment 1, all rats received a 10 min presentation of the G+S solution followed by either a 30 min exposure to the magnetic field (Magnet, n = 8), a 30-min exposure in a container with similar conditions but lacking the magnetic field (Sham, n = 8), or no exposure (Control, n = 8). The Magnet Group showed a taste aversion on the first day of preference testing (p < 0.05). Experiment 2 employed the same US-CS protocol for 3 consecutive days of conditioning. The Magnet Group demonstrated a taste aversion for the postexposure Days 1-8 (p < 0.01). There was no difference between the Sham and Control Groups in either experiment. The results of this study clearly demonstrate ...Continue Reading

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Citations

Jun 5, 2003·Physiology & Behavior·Denesa R LockwoodThomas A Houpt
Sep 6, 2000·Pharmacology, Biochemistry, and Behavior·A C HutchinsonA L Riley
Jan 5, 2010·Physiology & Behavior·Thomas A HouptJames C Smith
Jun 26, 2007·Physiology & Behavior·Thomas A HouptJames C Smith
Oct 24, 2006·Physiology & Behavior·Thomas A HouptJames C Smith
Aug 14, 2012·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Lotte E van NieropHans Kromhout
Nov 24, 2004·Progress in Biophysics and Molecular Biology·Richard Saunders
Sep 10, 2011·Physiology & Behavior·Thomas A HouptJames C Smith
Jun 18, 2009·Orvosi hetilap·János László
Mar 9, 2010·Physiology & Behavior·Thomas A Houpt, Charles E Houpt
Jun 4, 2002·Nutritional Neuroscience·Giuseppe Scalera
May 15, 2007·Health Physics·Eric van RongenMichael H Repacholi
Oct 15, 2005·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Angie M CasonThomas A Houpt
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Mar 12, 2009·Health Physics·UNKNOWN International Commission on Non-Ionizing Radiation Protection
Jan 1, 2021·Journal of Magnetic Resonance Imaging : JMRI·Xiaofei TianXin Zhang

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