Stimulus control of avoidance behavior in rats following differential or nondifferential Pavlovian training along dimensions of the conditioned stimulus.

1973 ◽  
Vol 85 (2) ◽  
pp. 313-323 ◽  
Author(s):  
James F. Brennan ◽  
David C. Riccio
Keyword(s):  
Conditioned Stimulus ◽  
Stimulus Control ◽  
Avoidance Behavior

Avoidance Behavior Prevents Modification of Fear Memory During Reconsolidation

2018 ◽  
Vol 123 (2) ◽  
pp. 224-238 ◽  
Author(s):  
Yusuke Nitta ◽  
Toru Takahashi ◽  
Tomosumi Haitani ◽  
Eriko Sugimori ◽  
Hiroaki Kumano
Keyword(s):  
Conditioned Stimulus ◽  
Avoidance Behavior ◽  
Spontaneous Recovery ◽  
Safety Information ◽  
Fear Memory ◽  
Extinction Training ◽  
Relevant Factor ◽  
Fear Response ◽  
New Information

Several studies have revealed that fear recovery is prevented when extinction training is conducted after retrieval of a fear memory. Postretrieval extinction training is related to modification of memory during reconsolidation. Providing new information during reconsolidation can modify the original memory. We propose that avoidance behavior is a relevant factor that prevents subjects from obtaining new safety information during reconsolidation. Postretrieval extinction training without avoidance behavior reduced the fear response to conditioned stimulus and prevented spontaneous recovery in the current study, which corresponded with previous studies. Under the condition of postretrieval extinction training with avoidance behavior, the fear response was not reduced as much as it was in the condition without avoidance. It is possible that avoidance behavior prevents receiving new safety information during postretrieval extinction training.

Conditioned Stimulus Control in the Circadian System: Two Tales Tell One Story

2000 ◽  
Vol 15 (4) ◽  
pp. 292-293 ◽  
Author(s):  
Andreas Arvanitogiannis ◽  
Jane Stewart ◽  
Shimon Amir
Keyword(s):  
Conditioned Stimulus ◽  
Stimulus Control ◽  
Circadian System

scholarly journals Long-delay learning in intraoral conditioned taste aversion

2015 ◽  
Author(s):  
Thomas A. Houpt ◽  
Jennifer A. Cassell ◽  
Stephanie McCormack ◽  
Bumsup Kwon ◽  
Gary Tiffany ◽  
...  
Keyword(s):  
Conditioned Stimulus ◽  
Taste Aversion ◽  
Conditioned Taste Aversion ◽  
Stimulus Control ◽  
Dose Interval ◽  
Low Doses ◽  
Interval Function ◽  
Cardinal Feature ◽  
Different Doses

The cardinal feature of conditioned taste aversion (CTA) learning is the ability of animals to associate the taste or flavor of a food (the conditioned stimulus; CS) with a subsequent toxic effect (unconditioned stimulus; US), even if the toxicity occurs hours later, i.e. after a long delay. Two experiments were conducted which took advantage of the stimulus control afforded by intraoral catheterization to establish the parameters of long-delay learning in intraoral CTA. First, to determine the range of CS-US intervals which supports intraoral conditioning, rats received infusions of 5% sucrose paired with LiCl (76 mg/kg, ip) across a range of delays (0-6 h). Second, to determine the interaction of US dose and delay, rats were conditioned with sucrose paired with different doses of LiCl (19, 38 or 76 mg/kg) at several CS-US intervals (0, 10, or 60 min). Conditioning, assessed during a second infusion of sucrose at 48 h post-conditioning, was optimal at 10 min (although not significantly different at intervals between 0 and 60 min). Effectiveness declined at longer delays, such that CTA was not supported at intervals of 3h or greater. The dose-interval function suggested that an increased US can compensate for a longer CS-US interval. Low doses of LiCl induced a long-term CTA at 0-min (19 and 38 mg/kg) or 10-min delays (38 mg/kg), but were not sufficient to induce CTA at longer delays, which required the highest dose (76 mg/kg).

Sign in / Sign up

Export Citation Format

Share Document