What does a pigeon see in a Picasso?

Article Abstract:

S. Watanabe, J. Sakamoto and M. Wakita's experiments on pigeons' ability to distinguish between paintings by Picasso and Monet presented a conceptual study of animals that deserves a careful analysis. The generalizations supported by their experiments were made based on new paintings, their distorted versions and the works of other artists belonging to the same schools which may not be considered as specific stimuli. In setting up experiments to study the conceptual behavior of animals, more suitable items should be selected for inclusion in training and testing sets.

Criticism and interpretation, Works, Painting, Painting (Art), Picasso, Pablo, Watanabe, S., Sakamoto, J., Wakita, M.

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The nature of sexual reinforcement

Article Abstract:

Sexually reinforced behavior is determined by the harmonal nature of the participants and the copulatory access. Pavlonian conditioning procedures are seen to influence the performance of copulatory response sequence. Copulatory process reinforces the stimuli of potential sexual patterns, while its absence reduces reinforcement efficacy. Most of the experiments conducted have been on males, and data on female sexual reinforcement has not been easily available.

Causes of, Influence, Hormones, Sexual behavior in animals, Animal sexual behavior

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Discrimination training, partial reinforcement, and increase in intertrial interval all reduce response speed in a continuously reinforced key-pecking task

Article Abstract:

Experiments were carried out on trained pigeons, in which a response to the center key obtained illumination of a side key and response to the side key ended the trial with either reinforcement or non-reinforcement. The increases in intertrial interval results in decreases in response to center- and side-keys and the introduction of discrimination training or partial reinforcement results in decrease in speed of side-key, but not in the speed of center-key.

Observations, Discrimination learning, Behaviorism (Psychology), Behaviorism

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