Partial reinforcement and extinction of heart rate deceleration in rats with the US interpolated on nonreinforced trials

1971 ◽  
Vol 2 (3) ◽  
pp. 280-288 ◽  
Author(s):  
Richard M. Vardaris
2001 ◽  
Vol 4 (1) ◽  
pp. 11-18 ◽  
Author(s):  
José L. Marcos ◽  
Jaime Redondo

Previous research on electrodermal conditioning suggests that the conditioned diminution of the unconditioned response (UR) has an associative basis. The aim of this experiment was to test whether this phenomenon also occurs in heart rate (HR) classical conditioning. For this purpose, a differential classical conditioning was performed. The conditioned stimuli (CSs) were geometrical shapes (the CS+ was a square and the CS− was a triangle) displayed on a computer screen and a burst of white noise was used as unconditioned stimulus (US). For analysis of the conditioned response (CR) components, an interval between CS+ and US of 8 seconds was used. After the acquisition phase, participants were tested using trials with the US preceded either by a CS+, a CS−, or a neutral stimulus (a circle). The results showed conditioned diminution of the UR and suggest that the second heart rate deceleration component (D2) is responsible for the occurrence of this phenomenon.


1973 ◽  
Vol 44 (2) ◽  
pp. 267 ◽  
Author(s):  
L. Alan Sroufe ◽  
Barbara C. Sonies ◽  
Winifred D. West ◽  
Francis S. Wright

2018 ◽  
Vol 97 (9) ◽  
pp. 1137-1147 ◽  
Author(s):  
Erika Gyllencreutz ◽  
Ke Lu ◽  
Kaj Lindecrantz ◽  
Pelle G. Lindqvist ◽  
Lennart Nordstrom ◽  
...  

1990 ◽  
Vol 27 (4) ◽  
pp. 385-395 ◽  
Author(s):  
J. Richard Jennings ◽  
Maurits W. Molen ◽  
Riek J.M. Somsen ◽  
Cynthia Terezis

2011 ◽  
Vol 54 (4) ◽  
pp. 383-400 ◽  
Author(s):  
Julianne H. Petrie Thomas ◽  
Michael F. Whitfield ◽  
Tim F. Oberlander ◽  
Anne R. Synnes ◽  
Ruth E. Grunau

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