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Two experiments examined the extent to which attitudes changed following majority and minority influence are resistant to counter‐persuasion. In both experiments participants' attitudes were measured after being exposed to two messages, delayed in time, which argued opposite positions (initial message and counter‐message). In the first experiment, attitudes following minority endorsement of the initial message were more resistant to a second counter‐message only when the initial message contained strong versus weak arguments. Attitudes changed following majority influence did not resist the second counter‐message and returned to their pre‐test level. Experiment 2 varied whether memory was warned (i.e., message recipients expected to recall the message) or not, to manipulate message processing. When memory was warned, which should increase message processing, attitudes changed following both majority and minority influence resisted the second counter‐message. The results support the view that minority influence instigates systematic processing of its arguments, leading to attitudes that resist counter‐persuasion. Attitudes formed following majority influence yield to counter‐persuasion unless there is a secondary task that encourages message processing. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
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Pearl Y. Martin Jenny Laing Robin Martin Melanie Mitchell 《Journal of applied social psychology》2005,35(1):160-182
Caffeine is known to increase arousal, attention, and information processing–all factors implicated in facilitating persuasion. In a standard attitude-change paradigm, participants consumed an orange-juice drink that either contained caffeine (3.5 mg/kg body weight) or did not (placebo) prior to reading a counterattitudinal communication (anti-voluntary euthanasia). Participants then completed a thought-listing task and a number of attitude scales. The first experiment showed that those who consumed caffeine showed greater agreement with the communication (direct attitude: voluntary euthanasia) and on an issue related to, but not contained in, the communication (indirect attitude: abortion). The order in which direct and indirect attitudes were measured did not affect the results. A second experiment manipulated the quality of the arguments in the message (strong vs. weak) to determine whether systematic processing had occurred. There was evidence that systematic processing occurred in both drink conditions, but was greater for those who had consumed caffeine. In both experiments, the amount of message-congruent thinking mediated persuasion. These results show that caffeine can increase the extent to which people systematically process and arc influenced by a persuasive communication. 相似文献
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Bryce Barker Conrad Cannell Sarah Naylor Kaity Pearl Evan Stewart 《The American journal of family therapy》2019,47(1):1-18
Marriage and family therapists are uniquely poised to work with entire families, including children. It is surprising then, that so few MFTs affiliate with play therapy. Many COAMFTE accredited masters’ programs offer some form of play therapy training, but therapists often report feeling uncomfortable with play therapy (Gil, 2015). In this paper, we offer a condensed refresher course on play therapy for MFTs, including suggested readings, materials, and instructions to expand training from a 2-day seminar to a 14-week course. We discuss the strengths and weaknesses of offering play therapy instruction as a semester long required course for masters’ students. 相似文献
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Enhancement of glutamate release by L-fucose changes effects of glutamate receptor antagonists on long-term potentiation in the rat hippocampus
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Matthies H Schroeder H Smalla KH Krug M 《Learning & memory (Cold Spring Harbor, N.Y.)》2000,7(4):227-234
In previous studies L-fucose has been shown to facilitate long-term memory formation and to enhance and prolong long-term potentiation (LTP). To search for possible presynaptic or postsynaptic mechanisms that are affected by L-fucose, we examined the effect of L-fucose on (1) inhibition of LTP induction via glutamate receptors by antagonists, (2) paired-pulse facilitation, and (3) presynaptic transmitter release. Coapplication of 0.2 mM L-fucose with the competitive N-methyl-D-aspartate (NMDA) receptor antagonist, D-2-amino-5-phosphonovalerate (AP5), or coapplication of 0.2 mM L-fucose in the presence of an inhibitor for class I/II metabotropic glutamate receptors, (S)-alpha-methyl-4-carboxyphenylglycine (MCPG), reversed LTP blockade in the CA1-region of hippocampal slices. In contrast, L-fucose had no effect on the LTP blockade by the noncompetitive NMDA ion-channel blocker (5R,10S)-(+)-5-Methyl-10, 11-dihydro-5H-dibenzo[a,d]cyclohepten-5, 10-imine hydrogen maleate (MK-801). Paired-pulse facilitation, which is a primarily presynaptic phenomenon of short-term plasticity, was decreased in the presence of 0.2 mM L-fucose. Furthermore, L-fucose enhanced the K(+)-stimulated release of [(3)H]-D-aspartate from preloaded hippocampal slices in a concentration-dependent manner. These observations demonstrate an influence of L-fucose on transmitter release that in turn can increase transmitter availability at postsynaptic glutamate receptors. This effect of L-fucose may contribute to the LTP facilitation seen in vitro and in vivo as well as to improvement in memory formation. 相似文献
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Task-dependent role for dorsal striatum metabotropic glutamate receptors in memory 总被引:5,自引:0,他引:5
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Packard MG Vecchioli SF Schroeder JP Gasbarri A 《Learning & memory (Cold Spring Harbor, N.Y.)》2001,8(2):96-103
The effect of post-training intradorsal striatal infusion of metabotropic glutamate receptor (mGluR) drugs on memory consolidation processes in an inhibitory avoidance (IA) task and visible/hidden platform water maze tasks was examined. In the IA task, adult male Long-Evans rats received post-training intracaudate infusions of the broad spectrum mGluR antagonist α-methyl-4-carboxyphenylglycine (MCPG; 1.0, 2.0 mM/0.5 μL), the group I/II mGluR agonist 1-aminocyclopentane-1,3-carboxylic acid (ACPD; 0.5 or 1.0 μM/0.5 μL), or saline immediately following footshock training, and retention was tested 24 h later. In the visible- and hidden-platform water maze tasks, rats received post-training intracaudate infusions of ACPD (1.0 μM), MCPG (2.0 mM), or saline immediately following an eight-trial training session, followed by a retention test 24 h later. In the IA task, post-training infusion of ACPD (0.5 and 1.0 μM) or MCPG (1.0 and 2.0 mM) impaired retention. In the IA and visible-platform water maze tasks, post-training infusion of ACPD (1.0 μM), or MCPG (2.0 mM) impaired retention. In contrast, neither drug affected retention when administered post-training in the hidden-platform task, consistent with the hypothesized role of the dorsal striatum in stimulus-response habit formation. When intradorsal striatal injections were delayed 2 h post-training in the visible-platform water maze task, neither drug affected retention, indicating a time-dependent effect of the immediate post-training injections on memory consolidation. It is hypothesized that MCPG impaired memory via a blockade of postsynaptic dorsal striatal mGluR's, while the impairing effect of ACPD may have been caused by an influence of this agonist on presynaptic “autoreceptor” striatal mGluR populations. 相似文献
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Res Publica - This paper critically analyses the position that basic income schemes foster idleness and thereby create harm. The view is based on an alleged empirical link between idleness and... 相似文献