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121.
The effects of instruction on learning of fear and safety are rarely studied. We aimed to examine the effects of cognitive information and experience on fear learning. Fourty healthy participants, randomly assigned to three groups, went through fear conditioning, extinction learning, and extinction recall with two conditioned stimuli (CS+). Information was presented about the presence or absence of conditioned stimulus–unconditioned stimulus (CS–US) contingency at different stages of the experiment. Information about the CS–US contingency prior to fear conditioning enhanced fear response and reduced extinction recall. Information about the absence of CS–US contingency promoted extinction learning and recall, while omission of this information prior to recall resulted in fear renewal. These findings indicate that contingency information can facilitate fear expression during fear learning, and can facilitate extinction learning and recall. Information seems to function as an element of the larger context in which conditioning occurs.  相似文献   
122.
Contemporary trends in business have focused on enhancing the employee work experience. Proponents argue that doing so will improve employees’ productivity and ultimately the firm's performance. However, critics argue that job satisfaction has only a modest relationship with an employee's job performance, and therefore, such an investment will likely have little impact on the firm's financial performance. To investigate the relationship between employees’ job satisfaction and firm performance, we collected a sample of 404 employees working in 31 firms. We tested this relationship using latent growth modeling which allows us to latently examine how employees’ job satisfaction at one time point can predict the trajectory of firm performance. Study results indicated that job satisfaction predicted a positive linear change in two financial indices of firm performance (i.e., return on assets and return on equity) over the course of four years when controlling for three indicators of firm size. These results suggest that the effects of job satisfaction on firm performance are not immediate but rather take time to manifest.  相似文献   
123.
Reaction time task rule congruency effects (RT-TRCEs) reflect faster responses to stimuli for which the competing task rules indicate the same correct response than to stimuli indicating conflicting responses. The authors tested the hypothesis that RT-TRCE reflects activated overlearned response category codes in long-term memory (such as up or left). The results support the hypothesis by showing that (a) RT-TRCE was absent for tasks for which there were no response codes ready beforehand, (b) RT-TRCE was present after these tasks were practiced, and (c) these practice effects were found only if the tasks permitted forming abstract response category codes. The increase in the RT-TRCE with response slowness, found only for familiar tasks, suggests that the abstract response category codes may be verbal or linguistic in these cases. The results are discussed in relation to task-switching theories and prefrontal functions.  相似文献   
124.
We used administrative data to examine predictors of medically documented suicide ideation (SI) among Regular Army soldiers from 2006 through 2009 (N = 10,466 ideators, 124,959 control person‐months). Enlisted ideators (97.8% of all cases) were more likely than controls to be female, younger, older when entering service, less educated, never or previously deployed, and have a recent mental health diagnosis. Officer ideators were more likely than controls to be female, younger, younger when entering service, never married, and have a recent mental health diagnosis. Risk among enlisted soldiers peaked in the second month of service and declined steadily, whereas risk among officers remained relatively stable over time. Risk of SI is highest among enlisted soldiers early in Army service, females, and those with a recent mental health diagnosis.  相似文献   
125.
Most studies of counterproductive work behavior (CWB) assess it as one or two overall dimensions that might obscure relationships of potential antecedents with more specific forms of behavior. A finer-grained analysis of the relationship between counterproductive work behavior and antecedents was conducted with the five-subscales (abuse toward others, production deviance, sabotage, theft, and withdrawal) taken from the 45-item Counterproductive Work Behavior Checklist, a measure that has been used in a number of prior studies. Described is the rationale for each of the five dimensions, which have been discussed individually in the literature. Data from three combined studies provide evidence for differential relationships with potential antecedents that suggest the use of more specific subscales to assess CWB. Most notably, abuse and sabotage were most strongly related to anger and stress, theft was unrelated to emotion, and withdrawal was associated with boredom and being upset. Finally, the distinct forms of CWB may suggest distinct underlying dynamics, that vary in their balance of hostile and instrumental motivational systems.  相似文献   
126.
Previous studies claimed that task representation is carried out by the activated long-term memory portion of working memory (WM; Meiran and Kessler in J Exp Psychol Human Percept Perform 34:137–157, 2008). The present study provides a more direct support for this hypothesis. We used the reaction-time task-rule congruency effect (RT-TRCE) in a task-switching setup, and tested the effects of loading WM with irrelevant task rules on RT-TRCE. Experiment 1 manipulated WM load in a between-subject design. WM participants performed a color/shape task switching, while having 0, 1 or 3 numerical task rules as WM load. Experiment 2 used a similar load manipulation (1 or 3 rules to load WM) in a within-subject design. Experiment 3 extended these results by loading WM with perceptual tasks that were more similar to the shape/color tasks. The results show that RT-TRCE was not affected by WM load supporting the activated long-term memory hypothesis.  相似文献   
127.
Mentalization has mainly been studied in borderline patients but in this study the capacity for mentalization was investigated in patients suffering from chronic depression. Mentalization was measured with the reflective functioning scale (RFS) in patients with chronic depression (n=20) who started long-term psychoanalytic treatment and the results were compared to healthy controls. The results showed that global RF scores did not differ significantly between patients and controls. However, depressed patients had a lower RF score for depression relevant topics in comparison to the initial individual values. Furthermore, RF appears to be related to general psychological competence but unrelated to clinical parameters [Beck Depression Inventory (BDI) and symptom check list (SCL-90)]. Therapeutic outcome as measured with BDI and SCL-90 was not moderated by RF scores at baseline. Correlations between RF and the helping alliance questionnaire (HAQ) indicate that patients with higher RF scores establish a therapeutic alliance more easily than patients with lower RF scores.  相似文献   
128.

Background  

Delusion is one of the most intriguing psychopathological phenomena and its conceptualization remains the subject of genuine debate. Claims that it is ill-defined, however, are typically grounded on essentialist expectations that a given definition should capture the core of every instance acknowledged as delusion in the clinical setting.  相似文献   
129.
Two experiments were conducted in order to investigate the effect of expression intensity on gender differences in the recognition of facial emotions. The first experiment compared recognition accuracy between female and male participants when emotional faces were shown with full-blown (100% emotional content) or subtle expressiveness (50%). In a second experiment more finely grained analyses were applied in order to measure recognition accuracy as a function of expression intensity (40%-100%). The results show that although women were more accurate than men in recognizing subtle facial displays of emotion, there was no difference between male and female participants when recognizing highly expressive stimuli.  相似文献   
130.
Humans are able to mentally adopt the spatial perspective of others and understand the world from their point of view. We propose that spatial perspective taking (SPT) could have developed from the physical alignment of perspectives. This would support the notion that others have put forward claiming that SPT is an embodied cognitive process. We investigated this issue by contrasting several accounts in terms of the assumed processes and the nature of the embodiment. In a series of four experiments we found substantial evidence that the transformations during SPT comprise large parts of the body schema, which we did not observe for object rotation. We further conclude that the embodiment of SPT is best conceptualised as the self-initiated emulation of a body movement, supporting the notion of endogenous motoric embodiment. Overall our results are much more in agreement with an ‘embodied’ transformation account than with the notion of sensorimotor interference. Finally we discuss our findings in terms of SPT as a possible evolutionary stepping stone towards more complex alignments of socio-cognitive perspectives.  相似文献   
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