Reinforcing Reinforcement
نویسندگان
چکیده
منابع مشابه
Reinforcing Reinforcement
If two populations become geographically isolated from one another, differences in their environments can drive the evolution of new traits over time that eventually result in the emergence of two species where once there was one. Trouble arises however, when individuals from two such populations meet up again before the speciation process is complete. Although partially diverged species can st...
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Variability is a functional and modifiable component of behavior that is necessary for learning or behavior change to occur. An appreciation of drug effects on reinforced variability could contribute to a fuller understanding of potential drug effects on behavior change. Dopamine agonists were examined under conditions that produced low and high levels of variability. In Experiment 1, D-ampheta...
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Saccadic endpoint variability is often viewed as the outcome of neural noise occurring during sensorimotor processing. However, part of this variability might result from operant learning. We tested this hypothesis by reinforcing dispersions of saccadic amplitude distributions, while maintaining constant their medians. In a first experiment we reinforced the least frequent saccadic amplitudes t...
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weight to a finding published a decade ago by the group at St Jude Children’s Research Hospital. That finding stated that patients with low TPMT activity receiving 6-MP in combination with radiotherapy have increased risk of SMNs.6 The paper leaves many questions unanswered. Whether this association is caused by 6-MP therapy alone or whether high-dose MTX given along with 6-MP in maintenance co...
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ژورنال
عنوان ژورنال: PLoS Biology
سال: 2010
ISSN: 1545-7885
DOI: 10.1371/journal.pbio.1000340