scholarly journals CS-US interval and conditioned fear facilitation of shuttlebox avoidance learning in the goldfish

1969 ◽  
Vol 16 (3) ◽  
pp. 115-116 ◽  
Author(s):  
Kenneth H. Brookshire ◽  
Kenneth Frumkin
Keyword(s):  
Avoidance Learning ◽  
Conditioned Fear ◽  
Shuttlebox Avoidance

scholarly journals Conditioned fear training and later avoidance learning in the goldfish

1969 ◽  
Vol 16 (3) ◽  
pp. 159-160 ◽  
Author(s):  
Kenneth Frumkin ◽  
Kenneth H. Brookshire
Keyword(s):  
Avoidance Learning ◽  
Conditioned Fear

Rapidly Developed Scalar Timing in Unsignalled Shuttlebox Avoidance Learning

1982 ◽  
Vol 34 (4b) ◽  
pp. 209-219 ◽  
Author(s):  
M. M. Cotton ◽  
W P. Wood
Keyword(s):  
Avoidance Learning ◽  
Avoidance Behaviour ◽  
Shuttlebox Avoidance ◽  
Interresponse Times ◽  
Timing Hypothesis

Three groups of rats were given brief inescapable shocks in a shuttlebox with equal shock-shock (S-S) and response-shock (R-S) intervals of 10, 15 or 20 s. Non shock-elicited responses (experimentally defined) postponed the occurrence of the next shock while shock elicited responses had no programmed consequences. Avoidance behaviour was rapidly acquired with all groups avoiding 85% or more of scheduled shocks by the end of the fifth 1 h session. Interresponse times revealed the development of excellent temporal discriminations in all groups. The data provide quantitative support for Gibbon's (1971) scalar timing hypothesis.

On Probability Models and Avoidance Learning

1984 ◽  
Vol 55 (2) ◽  
pp. 387-400
Author(s):  
M. M. Cotton ◽  
W. P. Wood
Keyword(s):  
Experimental Data ◽  
Mathematical Model ◽  
Stochastic Process ◽  
Markov Chains ◽  
Avoidance Learning ◽  
Empirical Data ◽  
Shuttlebox Avoidance ◽  
Avoidance Experiment ◽  
Probability Models ◽  
Behavior Of Rats

In the early 1970s Gibbon fitted empirical data from a number of avoidance experiments to a mathematical model based on the formalism of semi-Markov chains. Cotton and Wood in 1982 demonstrated the possibility that a single stochastic process underlies the timing behavior of rats in an unsignalled shuttlebox-avoidance learning experiment, providing quantitative support for Gibbon's hypothesis. This paper presents a further analysis in terms of semi-Markov chains of experimental data from an avoidance experiment with a variable, limited effective avoidance interval. The agreement between experiment and theory further supports that unsignalled avoidance experiments are convincingly modelled by semi-Markov chains.

Note on the invariance of response latency in shuttlebox avoidance learning

1976 ◽  
Vol 7 (1) ◽  
pp. 108-116 ◽  
Author(s):  
Robert C Bolles ◽  
Seward A Moot ◽  
Kelly Nelson
Keyword(s):  
Response Latency ◽  
Avoidance Learning ◽  
Shuttlebox Avoidance
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