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Psychopharmacology (2009) 203:303–315 DOI 10.1007/s00213-008-1385-3 ORIGINAL INVESTIGATION Further characterization of the discriminative stimulus properties of the atypical antipsychotic drug clozapine in C57BL/6 mice: role of 5-HT2A serotonergic and α1 adrenergic antagonism Scott D. Philibin & D. Matthew Walentiny & Sarah A. Vunck & Adam J. Prus & Herbert Y. Meltzer & Joseph H. Porter ... Stimulus discrimination occurs when an organism generalizes one consequence to many stimuli similar to the discriminative stimulus. F Justine starts yelling in the store when she wants something. However, the compound stimulus in the compound stimulus discrimination task did not have overlapping elements with single stimuli because they were composed of tone stimuli with different frequency components (T 1: 2000 Hz, T 2: 4000 Hz). These studies reported a transient decrease in hippocampal theta activity following the presentation of a compound stimulus during the simultaneous feature-negative task compared to the simple discrimination task but not during the compound stimulus ... Discrimination differs from conditioning because the existing correlation cannot be unequivocally established with any one set of properties of the stimulus or response. The effect of a given act of reinforcement is necessarily more extensive than the actual contingency implies, and the relation must be narrowed through extinction[ 2 ] with respect to the properties not involved in the correlation. December 29, 2020. Show all. 0 There are a number of ways in which characteristics of the stimulus situation are knOwn to affect learning and transfer. Rates and limits of conditioning and learning generally depend upon both stimulus magnitude, or intensity, and upon stimulus variability fr9m trial to trial. Retention Consider a discrimination function which has the following properties: (P1) for some function h: X! Y and all x2 X, y2 Y, y6= h(x) =) (x;h(x)) < (x;y); (2) (P2) for some function g: Y ! Xand all x2 X, y2 Y, x6= g(y) =) (g(y);y) < (x;y): (3) Then, for any x2 X;the stimulus h(x) 2 Y is called the point of subjective equality (PSE) for x;and Given the importance of D2 antagonism in the action of antipsychotic drugs and in theories regarding schizophrenia (i.e. the dopamine hypothesis), this study compared the discriminative stimulus properties of the atypical antipsychotic drug clozapine (CLZ) in C57BL/6 and DBA/2 inbred mice. Classical conditioning (also known as Pavlovian or respondent conditioning) is learning through association and was discovered by Pavlov, a Russian physiologist.In simple terms, two stimuli are linked together to produce a new learned response in a person or animal. Dec 17, 2020 · 4:04 p.m. ET: S&P 500, Dow and Nasdaq each rise to record closing highs as traders hold out hope for another stimulus deal. Here were the main moves in markets as of 4:04 p.m. ET: In a review of research examining the influences of MOs on stimulus control, Lotfizadeh, Edwards, Redner, and Poling found that MOs reliably alter the evocative function of discriminative stimuli (i.e., increasing the EO increases the evocative function of relevant S D s), and the degree of stimulus generalization (i.e., increasing the EO ...discriminative stimulus characteristics, A more general description of a discriminative stimulus is of a stimulus that affects the probability of an action happening. This probability can be positive or negative when the action is more or less likely. An S+ stimulus is one which tells the subject that a reinforcing reward is available. IEEE Trans. Vis. Comput. Graph. 27 1 111-124 2021 Journal Articles journals/tvcg/BersethHUSKKF21 10.1109/TVCG.2019.2938961 https://doi.org/10.1109/TVCG.2019.2938961 ... 8893419:1-8893419:11 2020 2020 Comput. Intell. Neurosci. https://doi.org/10.1155/2020/8893419 db/journals/cin/cin2020.html#WangZTWOZL20 Jun Zhang Jia Zhao 0004 ... A study was conducted to determine the characteristics of discrimination of force in grip for preschool children. Examination of the new method (NM) designed by Murase & Asami (1991) based on discrimination of force was also carried out by comparing observations obtained by two methods (i. e. modified constant method (CM) and NM) . Dec 20, 2020 · In classical conditioning discrimination is the ability to differentiate between a conditioned stimulus and other stimuli that have not been paired with an unconditioned stimulus for example if a bell tone were the conditioned stimulus discrimination would involve being able to tell the difference between the bell sound and other similar sounds.