Operant Extinction
Mostrando 1-12 de 12 artigos, teses e dissertações.
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1. Orientação Parental para Insônia Infantil em Irmãos Gêmeos: Um Relato de Caso
Resumo A intervenção comportamental, por meio da orientação parental, vem alcançando resultados positivos no manejo da insônia em crianças. Contudo, questiona-se a efetividade de tais intervenções em irmãos gêmeos, pelo fato de os pais partilharem os cuidados de duas crianças da mesma idade e nível de desenvolvimento. O objetivo deste estudo é
Psicol. cienc. prof.. Publicado em: 20/12/2019
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2. Learning processes and the neural analysis of conditioning
Classical and operant conditioning principles, such as the behavioral discrepancy-derived assumption that reinforcement always selects antecedent stimulus and response relations, have been studied at the neural level, mainly by observing the strengthening of neuronal responses or synaptic connections. A review of the literature on the neural basis of behavio
Psychology & Neuroscience. Publicado em: 2010-12
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3. Efeitos de construção de história relativa aos estudos de variação e repetição
The variability produced from contingent reinforcement to change and / or repetition of responses has been investigated in behavior analysis. Despite the variability of behavior have made it the object of working study in operant literature, there are few studies which demonstrates the introduction of a baseline for evaluating the effects of manipulation of
Publicado em: 2009
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4. Variação induzida por quebra da relação de contingência: efeitos de regras e da suspensão do reforçamento
The study of the selective function of reinforcement has been prevailing in studies about operant behavior and just recently in the behavioral variation, a condition without which the selective function of the reinforcement doesn t have as operating, it has started to be more studied experimental and conceptually. These studies are divided into studies about
Publicado em: 2009
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5. Operant serial feature-positive conditional discrimination with composite features and different topography responses
In a serial feature-positive conditional discrimination procedure the properties of a target stimulus A are defined by the presence or not of a feature stimulus X preceding it. In the present experiment, composite features preceded targets associated with two different topography operant responses (right and left bar pressing); matching and non-matching-to-s
Brazilian Journal of Medical and Biological Research. Publicado em: 2008-02
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6. Extinção operante como procedimento aversivo: avaliação de seus efeitos com o Labirinto em Cruz Elevado
O presente estudo avaliou os efeitos da extinção operante, como um procedimento aversivo, sobre o percentual do tempo de permanência nos braços abertos de ratos no Labirinto em Cruz Elevado (LCE). Três grupos de sujeitos foram inicialmente expostos a diferentes condições (esquema de reforçamento em razão fixa RFR; acoplado RAC; e alimento maciço RA
Publicado em: 2008
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7. Um procedimento para medir o estabelecimento de controle de estímulos em uma discriminação simples, baseado em Touchette (1971)
ABSTRACT Behavior analysts interpret attention as a case of operant stimulus control. Therefore the study of the variables and procedures that promote discrimination are taken as important if one is interested in attention. This interpretation guide many experimental studies on discrimination where experimental concern was the implementation of effective pro
Publicado em: 2005
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8. Place recognition monitored by location-driven operant responding during passive transport of the rat over a circular trajectory
Spatial memory of animals is usually tested in navigation tasks that do not allow recognition and recall processes to be separated from the mechanisms of goal-directed locomotion. In the present study, place recognition was examined in rats (n = 7) confined in an operant chamber mounted on the periphery of a slowly rotating disk (diameter 1 m, angular v
The National Academy of Sciences.
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9. Operant behavior can be triggered by the position of the rat relative to objects rotating on an inaccessible platform
The present study describes a task testing the ability of rats to trigger operant behavior by their relative spatial position to inaccessible rotating objects. Rats were placed in a Skinner box with a transparent front wall through which they could observe one or two adjacent objects fixed on a slowly rotating arena (d = 1 m) surrounded by an immobile black
The National Academy of Sciences.
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10. Rate Of Conditioned Reinforcement Affects Observing Rate But Not Resistance To Change
The effects of rate of conditioned reinforcement on the resistance to change of operant behavior have not been examined. In addition, the effects of rate of conditioned reinforcement on the rate of observing have not been adequately examined. In two experiments, a multiple schedule of observing-response procedures was used to examine the effects of rate of c
Society for the Experimental Analysis of Behavior.
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11. Control of cocaine-seeking behavior by drug-associated stimuli in rats: Effects on recovery of extinguished operant-responding and extracellular dopamine levels in amygdala and nucleus accumbens
The conditioning of the pharmacological actions of cocaine with environmental stimuli is thought to be a critical factor in the long-term addictive potential of this drug. Cocaine-related stimuli may increase the likelihood of relapse by evoking drug craving, and brain-imaging studies have identified the amygdala and nucleus accumbens (NAcc) as putative neur
The National Academy of Sciences.
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12. Orbital Prefrontal Cortex and Guidance of Instrumental Behavior of Rats by Visuospatial Stimuli Predicting Reward Magnitude
The orbital prefrontal cortex (OPFC) is part of a circuitry mediating the perception of reward and the initiation of adaptive behavioral responses. We investigated whether the OPFC is involved in guidance of the speed of instrumental behavior by visuospatial stimuli predictive of different reward magnitudes. Unoperated rats, sham-lesioned rats, and rats
Cold Spring Harbor Laboratory Press.