نتایج جستجو برای: operant designs

تعداد نتایج: 74337  

2017
Sreedhar Madhavaram Radha Appan

Purpose – The purpose of this paper is to identify issues that are critical to developing complex, business-to-business products and discuss implications for vendor firms. Design/methodology/approach – This paper employs the critical review approach to current complex product literature and draws from relevant literature streams in engineering, management, and marketing to propose a conceptual ...

Journal: :Annals of the New York Academy of Sciences 2013
Edita Navratilova Jennifer Yanhua Xie Tamara King Frank Porreca

The human experience of pain is multidimensional and comprises sensory, affective, and cognitive dimensions. Preclinical assessment of pain has been largely focused on the sensory features that contribute to nociception. The affective (aversive) qualities of pain are clinically significant but have received relatively less mechanistic investigation in preclinical models. Recently, operant behav...

2015
Peter N. Bull Lynette J. Tippett Donna Rose Addis

The Iowa Gambling Task (IGT) has contributed greatly to the study of affective decision making. However, researchers have observed high inter-study and inter-individual variability in IGT performance in healthy participants, and many are classified as impaired using standard criteria. Additionally, while decision-making deficits are often attributed to atypical sensitivity to reward and/or puni...

2017
Yoshio Iguchi Ziqiao Lin Hiromi Nishikawa Yoshio Minabe Shigenobu Toda

The distinction between goal-directed action and habitual response, particularly with respect to moderate or extended appetitive instrumental training, is well documented; however, the propensity toward instrumental behavior in the early training stage has not been elucidated. In this study, we trained Sprague Dawley rats to press a lever to obtain food as an outcome for various time periods an...

Journal: :Journal of abnormal psychology 1974
J M Kinney L B Sachs

The present study investigated the effectiveness of an operant conditioning approach for increasing hypnotic susceptibility. Results revealed significant increases in hypnotic susceptibility, significant generalization to a new set of more difficult items, and no substantial decrease in the stability of improvement. Attitudinal, motivational, and learning factors were considered in relation to ...

Journal: :Behavioural processes 2011
Björn Brembs

Already in the 1930s Skinner, Konorski and colleagues debated the commonalities, differences and interactions among the processes underlying what was then known as "conditioned reflexes type I and II", but which is today more well-known as classical (Pavlovian) and operant (instrumental) conditioning. Subsequent decades of research have confirmed that the interactions between the various learni...

Journal: :Memory 2014
Elise Debeer Filip Raes J Mark G Williams Miet Craeynest Dirk Hermans

Functional avoidance is considered as one of the key mechanisms underlying overgeneral autobiographical memory (OGM). According to this view OGM is regarded as a learned cognitive avoidance strategy, based on principles of operant conditioning; i.e., individuals learn to avoid the emotionally painful consequences associated with the retrieval of specific negative memories. The aim of the presen...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1999
R Nargeot D A Baxter J H Byrne

Previously, an analog of operant conditioning was developed using the buccal ganglia of Aplysia, the probabilistic occurrences of a specific motor pattern (i.e., pattern I), a contingent reinforcement (i.e., stimulation of the esophageal nerve), and monotonic stimulation of a peripheral nerve (i.e., n.2,3). This analog expressed a key feature of operant conditioning (i.e., selective enhancement...

Journal: :Learning & behavior 2011
Mark E Bouton Travis P Todd Drina Vurbic Neil E Winterbauer

Four experiments were performed to explore the role of context in operant extinction. In all experiments, leverpressing in rats was first reinforced with food pellets on a variable interval 30-s schedule, then extinguished, and finally tested in the same and a different physical context. The experiments demonstrated a clear ABA renewal effect, a recovery of extinguished responding when conditio...

2014
Ezequiel Mendoza Julien Colomb Jürgen Rybak Hans-Joachim Pflüger Troy Zars Constance Scharff Björn Brembs

Intact function of the Forkhead Box P2 (FOXP2) gene is necessary for normal development of speech and language. This important role has recently been extended, first to other forms of vocal learning in animals and then also to other forms of motor learning. The homology in structure and in function among the FoxP gene members raises the possibility that the ancestral FoxP gene may have evolved ...

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