forward conditioning
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2008 ◽  
Vol 79 (1) ◽  
pp. 43-47 ◽  
Author(s):  
Takahisa Masaki ◽  
Sadahiko Nakajima

2004 ◽  
Vol 57 (1) ◽  
pp. 1-23 ◽  
Author(s):  
Raymond Chang ◽  
Steven Stout ◽  
Ralph Miller
Keyword(s):  

2003 ◽  
Vol 56 (1b) ◽  
pp. 140-160 ◽  
Author(s):  
Catherine A. Forestell ◽  
Vincent M. LoLordo

Changes in palatability of tastes and flavours as a result of flavour preference conditioning were examined. In Experiment 1, when tastes were paired with glucose in a reverse-order differential conditioning paradigm, rats acquired conditioned preferences for CS + and displayed more hedonic responses to CS + than to CS − in a postconditioning taste reactivity test. In Experiment 2, rats that received oral infusions of flavours as CSs during a reverse-order conditioning procedure expressed both palatability shifts and conditioned preferences for CS +. Rats that received a forward conditioning procedure acquired a preference for CS +, but the palatability of CS + was unchanged. In Experiment 3, hungry rats drank mixtures of a flavour CS and a calorific or sweet tasting reinforcer in a long-exposure conditioning paradigm. When tested hungry, rats preferred CS + whether they had acquired flavour-calorie or flavour-taste associations. However, CS + became more palatable only for rats that acquired flavour-calorie associations. These results suggest that acquisition of flavour preferences, as measured by 2-bottle tests, may not always be accompanied by enhanced palatability.


2002 ◽  
Author(s):  
Daniel Wheeler ◽  
Raymond Chang ◽  
Doreen Yirenchi ◽  
Ralph Miller
Keyword(s):  

2000 ◽  
Vol 53 (2b) ◽  
pp. 149-171 ◽  
Author(s):  
Daniel C. Burger ◽  
Haney Mallemat ◽  
Ralph R. Miller

Four experiments using a conditioned lick suppression preparation with rats were conducted to examine whether overshadowing of subsequent events could be obtained in Pavlovian backward conditioning (i.e. unconditioned stimulus [US] before conditioned stimulus [CS]), and to determine whether such overshadowing could be reversed without further training with the overshadowed CS, as has been reported in overshadowing of antecedent events. In Experiment 1, a backward-conditioned CS overshadowed a second backward-conditioned CS. Two posttraining manipulations, extinction of the overshadowing CS (Experiment 2) and shifting of the temporal relationship of the overshadowing CS to the US (Experiment 3), increased responding to the overshadowed CS. These results constitute the first unambiguous demonstration of stimulus competition between subsequent events using first-order conditioning, and they show that, like overshadowing with forward conditioning, such overshadowing is due, at least in part if not completely, to a failure to express information that had been acquired.


Author(s):  
R Hanus ◽  
Ph. Bogaerts ◽  
D. Vrancic
Keyword(s):  

1996 ◽  
Vol 07 (01) ◽  
pp. 1-18 ◽  
Author(s):  
SERGIO D. SERULNIK ◽  
MOSHE GUR

Living beings learn to associate known stimuli that exhibit specific temporal correlations. This kind of learning is called associative learning, and the process by which animals change their responses according to the schedule of arriving stimuli is called “classical conditioning”. In this paper, a conditionable neural network which exhibits features like forward conditioning, dependency on the interstimulus interval, and absence of backward and reverse conditioning is presented. An asymmetric neural network was used and its ability to retrieve a sequence of embedded patterns using a single recalling input was exploited. The main assumption was that synapses that respond with different time constants coexist in the system. These synapses induce transitions between different embedded patterns. The appearance of a correct transition when only the first stimulus is applied, is interpreted as a realization of the conditioning process. The model also allows the analytical description of the conditioning process in terms of internal and external or researcher-controlled variables.


1987 ◽  
Vol 61 (1) ◽  
pp. 15-18 ◽  
Author(s):  
Lawrence Weinstein

Classical salivary conditioning was demonstrated in a classroom setting with the use of experimental control procedures to ensure an actual CR was being displayed and not pseudoconditioning. The significant increase in salivation in the forward conditioning group compared to that of the backward-paired group indicates this method can be used to condition salivation classically in the classroom.


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