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Discrimination reversal learning in the crayfish
Animal Behaviour, 1967Summary Nine crayfish failed to show progressive improvement in learning over nine reversals in a two-choice spatial discrimination problem involving a non-correction procedure of training. The results are discussed in their relationship to the habit reversal data on other species.
P J, Capretta, R, Rea
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Perceptual Learning in Maze Discriminations
The Quarterly Journal of Experimental Psychology Section B, 1991In Experiment 1, rats were trained on a discrimination between rubber- and sandpaper-covered arms of a maze after one group had been pre-exposed to these intra-maze cues. Pre-exposure facilitated subsequent discrimination learning, unless the discrimination was made easier by adding further discriminative stimuli, when it now significantly retarded ...
J B, Trobalon +3 more
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Deep discriminative manifold learning
2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2016This paper presents a new non-linear dimensionality reduction with stochastic neighbor embedding. A deep neural network is developed for discriminative manifold learning where the class information in transformed low-dimensional space is preserved.
Jen-Tzung Chien, Ching-Huai Chen
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Brightness Discrimination Learning in Caimans
Perceptual and Motor Skills, 1970Caimans were trained to escape shock in a T-maze with either brightness cues or confounded brightness and spatial cues relevant. After criterion was reached on the confounded problem, the positions of the brightness cues were then varied for these Ss with position becoming an irrelevant cue and the color of the positive cue unchanged.
J T, Williams, S G, Robertson
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The effects of physostigmine on discrimination learning
Psychopharmacologia, 1966Two different discrimination learning experiments, the first using rats and the second cats, provide clear support for facilitation of acquisition rate by physostigmine injections. The results suggest that facilitating effects of physostigmine may be limited to a small dose range (.025–.075 mg/kg), although such facilitatory effects may be limited to ...
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Reinforcer Acquisition in Discrimination Learning
Psychological Reports, 1966This experiment extended an earlier study in which a buzzer sound was combined in pretraining with “Right” or “Wrong.” A two-choice discrimination learning task was presented immediately following the pretraining. Children learned that the buzz had meaning (in a direction opposite the verbal statement with which it was combined).
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Axioms of a Theory of Discrimination Learning
Psychometrika, 1955Analysis of an empirical theory into a formal system with specified primitive notions and axioms has the advantage of making it clear what deductions from the theory are permissible, and clarifying the internal structure of the theory. An example of such analysis is presented in this paper.
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Social odor discrimination and its enhancement by associative learning in the hippocampal CA2 region
Neuron, 2023Steven Siegelbaum +2 more
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