"CS and UCS intervals and orders in human autonomic classical differential trace conditioning": Erratum.

1971 ◽  
Vol 25 (3) ◽  
Author(s):  
John J. Furedy
Keyword(s):  
Trace Conditioning

Basal Forebrain Cholinergic Lesions Produce A Dissociation of Impairment In Delay And Trace Conditioning In Rats

2006 ◽  
Author(s):  
Erica K. Torner ◽  
M. Melissa Flesher ◽  
Anthony M. Cortez ◽  
Dennis Amodeo ◽  
Allen E. Butt
Keyword(s):  
Basal Forebrain ◽  
Trace Conditioning ◽  
Cholinergic Lesions

A Note on the Trace Conditioning Deficit

1975 ◽  
Author(s):  
Robert C. Bolles ◽  
Alexis C. Collier
Keyword(s):  
Trace Conditioning

scholarly journals Predictive olfactory learning in Drosophila

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Chang Zhao ◽  
Yves F. Widmer ◽  
Sören Diegelmann ◽  
Mihai A. Petrovici ◽  
Simon G. Sprecher ◽  
...  
Keyword(s):  
Synaptic Plasticity ◽  
Dopaminergic Neurons ◽  
Mushroom Body ◽  
Trace Conditioning ◽  
Fruit Fly ◽  
Olfactory Learning ◽  
Shock Strength ◽  
Behavioral Experiments ◽  
Kenyon Cells ◽  
Output Neurons

AbstractOlfactory learning and conditioning in the fruit fly is typically modelled by correlation-based associative synaptic plasticity. It was shown that the conditioning of an odor-evoked response by a shock depends on the connections from Kenyon cells (KC) to mushroom body output neurons (MBONs). Although on the behavioral level conditioning is recognized to be predictive, it remains unclear how MBONs form predictions of aversive or appetitive values (valences) of odors on the circuit level. We present behavioral experiments that are not well explained by associative plasticity between conditioned and unconditioned stimuli, and we suggest two alternative models for how predictions can be formed. In error-driven predictive plasticity, dopaminergic neurons (DANs) represent the error between the predictive odor value and the shock strength. In target-driven predictive plasticity, the DANs represent the target for the predictive MBON activity. Predictive plasticity in KC-to-MBON synapses can also explain trace-conditioning, the valence-dependent sign switch in plasticity, and the observed novelty-familiarity representation. The model offers a framework to dissect MBON circuits and interpret DAN activity during olfactory learning.

Eyeblink conditioning contingent on hippocampal theta enhances hippocampal and medial prefrontal responses

2011 ◽  
Vol 105 (5) ◽  
pp. 2213-2224 ◽  
Author(s):  
Ryan D. Darling ◽  
Kanako Takatsuki ◽  
Amy L. Griffin ◽  
Stephen D. Berry
Keyword(s):  
Neural Activity ◽  
Theta Rhythm ◽  
Eyeblink Conditioning ◽  
Trace Conditioning ◽  
Distributed Network ◽  
Field Potentials ◽  
Trace Interval ◽  
Behavioral Learning ◽  
Paired Group ◽  
Hippocampal Theta

Trace eyeblink classical conditioning (tEBCC) can be accelerated by making training trials contingent on the naturally generated hippocampal 3- to 7-Hz theta rhythm. However, it is not well-understood how the presence (or absence) of theta affects stimulus-driven changes within the hippocampus and how it correlates with patterns of neural activity in other essential trace conditioning structures, such as the medial prefrontal cortex (mPFC). In the present study, a brain-computer interface delivered paired or unpaired conditioning trials to rabbits during the explicit presence (T+) or absence (T−) of theta, yielding significantly faster behavioral learning in the T+-paired group. The stimulus-elicited hippocampal unit responses were larger and more rhythmic in the T+-paired group. This facilitation of unit responses was complemented by differences in the hippocampal local field potentials (LFP), with the T+-paired group demonstrating more coherent stimulus-evoked theta than T−-paired animals and both unpaired groups. mPFC unit responses in the rapid learning T+-paired group displayed a clear inhibitory/excitatory sequential pattern of response to the tone that was not seen in any other group. Furthermore, sustained mPFC unit excitation continued through the trace interval in T+animals but not in T−animals. Thus theta-contingent training is accompanied by 1) acceleration in behavioral learning, 2) enhancement of the hippocampal unit and LFP responses, and 3) enhancement of mPFC unit responses. Together, these data provide evidence that pretrial hippocampal state is related to enhanced neural activity in critical structures of the distributed network supporting the acquisition of tEBCC.

scholarly journals Temporal encoding in trace conditioning

1995 ◽  
Vol 23 (2) ◽  
pp. 144-153 ◽  
Author(s):  
Robert P. Cole ◽  
Robert C. Barnet ◽  
Ralph R. Miller
Keyword(s):  
Trace Conditioning ◽  
Temporal Encoding

The Role of the Hippocampus in Trace Conditioning: Temporal Discontinuity or Task Difficulty?

2001 ◽  
Vol 76 (3) ◽  
pp. 447-461 ◽  
Author(s):  
Anna V. Beylin ◽  
Chetan C. Gandhi ◽  
Gwendolyn E. Wood ◽  
Andrew C. Talk ◽  
Louis D. Matzel ◽  
...  
Keyword(s):  
Task Difficulty ◽  
Trace Conditioning ◽  
Temporal Discontinuity ◽  
Or Task
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