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Discriminative stimulus characteristics

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.

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(b) A low-contrast stimulus is assumed to produce noisier measurements and thus a broader likelihood. Multiplication by the same prior induces a larger shift and thus the low- contrast stimulus is typically perceived as moving slower. NATURE NEUROSCIENCEVOLUME 9[NUMBER 4[APRIL 2006 579 The discriminative stimulus is the cue (stimulus) that is present when the behavior is reinforced. The animal learns to exhibit the behavior in the presence of the discriminative stimulus. In the example above, the red circle was the discriminative stimulus (sometimes abbreviated S D, pronounced "S-Dee".)Apr 07, 2020 · In biology, a stimulus is a change in an organism's surroundings that causes the organism to change its behavior in order to make the environment more satisfactory. For instance, hunger motivates animals to seek food, predators stimulate prey to run away or hide, and falling temperatures encourage creatures to seek shelter or find warmth in ... May 06, 2017 · Private-label brands benefit with the use of stimulus generalisation through the transfer of positive attitude from original brand to its brand imitator. (Szmigin et.al, 2015) Companies use stimulus generalisation to group products into the same category as brand leaders in-order to be in the consumer’s brand choice. Jun 17, 2020 · In order for a sensory stimulus to arrive at its destination, which is the central nervous system, it must go from the receptors to the central nervous system. It does this through a connection with three neurons. In the somatosensory cortex, there’s also a proportional representation to the sensitivity of the different parts of the body (1). Mar 28, 2019 · The U.S. Department of Housing and Urban Development (HUD) is charging Facebook with discrimination over its online advertising program, saying the social networking giant “unlawfully ...