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201.
Cognitive determinants of GSR activity during extinction trials were examined following conditioning. Conditioned GSRs extinguished
rapidly when subjects were informed the UCS would not again be administered, compared to subjects not given this information.
Of greater interest was the finding that (false) high feedback concerning subjects’ responsivity to the Cs+ during extinction
served to maintain GSR activity at a higher level than subjects receiving (false) low feedback. The relationship was observed
within both information conditions. Implications are drawn for both aversive conditioning therapy and systematic desensitization. 相似文献
202.
Karl Halvor Teigen 《European journal of social psychology》2004,34(2):191-206
When people are asked to ‘explain’ a time series consisting of population statistics, they will suggest factors responsible for later events rather than for earlier events. This is shown in Experiment 1 for pairs of events and in Experiment 2 for triads of events with one deviant member. When the deviant statistic is the most recent one, it will in most cases be singled out for explanation. When it comes first, it is rarely explained, but accepted as a given fact. This is seen as an instance of the temporal order effect, where the first event in a pair or a series is taken for granted, whereas later events are considered more ‘mutable’, i.e. they could have been different. In line with this, later statistics are considered to be more in need of support from additional information than earlier statistics (Experiment 3). The focus on temporally later events can be distinguished from other primacy and recency effects by being due to chronological order, rather than order of presentation. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献
203.
204.
Torleif Halkjelsvik Magne Jørgensen Karl Halvor Teigen 《Applied cognitive psychology》2011,25(2):314-323
Past research has shown that people underestimate the time they need to complete large tasks, whereas completion times for smaller tasks are often overestimated, suggesting higher productivity estimates for larger than for smaller tasks. By replacing the traditional question about how much time a given work will take with a question about how much work can be completed within a given amount of time, we also found the opposite pattern. Both trends could reflect a general tendency to underestimate large amounts (of work as well as time) relatively to small ones. This ‘magnitude bias’ was explored in two studies where students estimated reading tasks, a third where IT‐professionals estimated software projects, and a fourth where participants imagined a familiar walk, divided into time segments or part distances of varying lengths. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
205.
The present research examined the interplay of individual differences in self‐regulatory mechanisms as outlined in regulatory focus theory (promotion‐ and prevention‐focus) and a cue of being watched in the context of cooperative behaviour. Study 1 revealed that the more individuals' habitual self‐regulatory orientation is dominated by a vigilant prevention focus, the more likely they are to act cooperatively (i.e. to donate money to natural conservation organizations) when a subtle cue of being watched renders reputational concerns salient. In contrast, when no such cue is provided individuals' habitual vigilant self‐regulatory orientation is negatively related to cooperative behaviour. Study 2 replicated the results of the initial study and examined interpersonal sensitivity (empathic concern) as a potential mediator of the observed effects. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
206.
Sechrist J Suitor JJ Riffin C Taylor-Watson K Pillemer K 《Journal of family psychology》2011,25(6):837-846
The goal of this paper is to demonstrate a process by which qualitative and quantitative approaches are combined to reveal patterns in the data that are unlikely to be detected and confirmed by either method alone. Specifically, we take a sequential approach to combining qualitative and quantitative data to explore race differences in how mothers differentiate among their adult children. We began with a standard multivariate analysis examining race differences in mothers' differentiation among their adult children regarding emotional closeness and confiding. Finding no race differences in this analysis, we conducted an in-depth comparison of the Black and White mothers' narratives to determine whether there were underlying patterns that we had been unable to detect in our first analysis. Using this method, we found that Black mothers were substantially more likely than White mothers to emphasize interpersonal relationships within the family when describing differences among their children. In our final step, we developed a measure of familism based on the qualitative data and conducted a multivariate analysis to confirm the patterns revealed by the in-depth comparison of the mothers' narratives. We conclude that using such a sequential mixed methods approach to data analysis has the potential to shed new light on complex family relations. 相似文献
207.
Veen G Giltay EJ van Vliet IM Derijk RH Klaassens ER van Pelt J Zitman FG 《Stress (Amsterdam, Netherlands)》2011,14(2):128-135
Cortisol affects the acute-phase response, but it is unknown whether C-reactive protein (CRP), an acute-phase reactant, also affects hypothalamus?pituitary?adrenal axis activity. In the present study, associations were explored between CRP haplotypes with plasma CRP concentrations and basal salivary cortisol level. We included 266 physically healthy Caucasian subjects (103 females and 163 males) aged between 18 and 65 years of whom 94 had a psychiatric disorder in a genetic association study. Six tag single-nucleotide polymorphisms capturing the common genetic variation of the CRP gene were genotyped (i.e. rs2808628, rs2808630, rs1205, rs1800947, rs1417938, and rs3091244) to yield common CRP haplotypes. Plasma CRP concentrations, the salivary cortisol awakening response (CAR) (0, 30, 45, and 60?min after awakening), and the diurnal cortisol decline (11:00, 15:00, 19:00, and 23:00 h) were assessed for 2 days. rs2808628, rs1205, rs1417938, and rs3091244 showed expected associations not only with CRP concentrations, but also with salivary cortisol levels during the CAR. Five well-characterized CRP haplotypes were arranged in ascending order according to increasing CRP levels. There was an inverse linear association between CRP haplotypes and cortisol levels during the CAR, but no association with the diurnal cortisol decline. Hence, genetic variants in the CRP gene that are associated with lifetime plasma CRP levels were also associated with salivary cortisol levels after awakening, in basal, non-inflammatory conditions. 相似文献
208.
Although animal researchers established the role of testosterone as a 'social hormone' decades ago, the investigation of its causal influence on human social behaviors has only recently begun. Here, we review and discuss recent studies showing the causal effects of testosterone on social interactions in animals and humans, and outline the basic neurobiological mechanisms that might underlie these effects. Based on these recent findings, we argue that the role of testosterone in human social behavior might be best understood in terms of the search for, and maintenance of, social status. 相似文献
209.
The mechanisms for the substantial variation in the durations of visual fixations in scene perception are not yet well understood. During free viewing of paintings, gaze-contingent irrelevant distractors (Exp. 1) and non-gaze-related time-locked display changes (Exp. 2) were presented. We demonstrated that any visual change-its onset and offset-prolongs the ongoing fixation (i.e., delays the following saccade), strongly suggesting that fixation durations are under the direct control of the stimulus information. The strongest influence of distraction was observed for fixations preceded by saccades within the parafoveal range (<5° of visual angle). We assume that these fixations contribute to the focal in contrast to the ambient mode of attention (Pannasch & Velichkovsky, Visual Cognition, 17, 1109-1131, 2009; Velichkovsky, Memory, 10, 405-419, 2002). Recent findings about two distinct "subpopulations of fixations," one under the direct and another under the indirect control of stimulation (e.g., Henderson & Smith, Visual Cognition, 17, 1055-1082, 2009), are reconsidered in view of these results. 相似文献
210.