Acquisition with partial and continuous reinforcement in pigeon autoshaping

Acquisition in Autoshaping

Quantitative data on the speed with which animals acquire behavioral responses during classical conditioning experiments should provide strong constraints on models of learning. However, most models have simply ignored these data; the few that have attempted to address them have failed by at least an order of magnitude. We discuss key data on the speed of acquisition, and show how to account fo...

Acquisition and extinction in autoshaping.

C. R. Gallistel and J. Gibbon (2000) presented quantitative data on the speed with which animals acquire behavioral responses during autoshaping, together with a statistical model of learning intended to account for them. Although this model captures the form of the dependencies among critical variables, its detailed predictions are substantially at variance with the data. In the present articl...

Predictive Accuracy and the Effects of Partial Reinforcement on Serial Autoshaping

A series of five experiments examined the influence of partial reinforcement on serial autoshaping with pigeons. In Experiment l Group AB+A ° received two sequences of events: A followed by B followed by food, or A alone. Group AB +/° always received the AB sequence, reinforcement being presented on 50% of the trials. Subjects responded more rapidly during A in Group AB+A °. Experiment 2 replic...

The partial reinforcement effect sustained through blocks of continuous reinforcement.

the past hospitalization and its association with suicide attempts and ideation in patients with mdd and comparison with bmd (depressed type) group

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