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951.
The research examined the effects of personal variables, psychological capital and Hardy Personality (HP), using exhaustion and vigor as criterion variables, reviewing two studies, one of 427 nurses (Spain) and another of 253 teachers (Perú). The results showed significant direct and moderating effects of personal variables on exhaustion and vigor, with a greater effect on vigor. The commitment variable (HP) is the only one that had significant effects on both samples. The discussion emphasizes the importance of positive personal variables to explain exhaustion and vigor, particularly the latter. 相似文献
952.
Braun AA Graham DL Schaefer TL Vorhees CV Williams MT 《Neurobiology of learning and memory》2012,97(4):402-408
Successful navigation requires interactions among multiple but overlapping neural pathways mediating distinct capabilities, including egocentric (self-oriented, route-based) and allocentric (spatial, map-based) learning. Route-based navigation has been shown to be impaired following acute exposure to the dopaminergic (DA) drugs (+)-methamphetamine and (+)-amphetamine, but not the serotoninergic (5-HT) drugs (±)-3,4-methylenedioxymethamphetamine or (±)-fenfluramine. The dopaminergic-rich neostriatum is involved in both allocentric and egocentric navigation. This experiment tested whether dorsal striatal DA loss using bilateral 6-hydroxydopamine (6-OHDA) injections impaired one or both types of navigation. Two weeks following 6-OHDA injections, rats began testing in the Cincinnati water maze (CWM) followed by the Morris water maze (MWM) for route-based and spatial navigation, respectively. 6-OHDA treatment significantly increased latency and errors in the CWM and path length, latency, and cumulative distance in the MWM with no difference on cued MWM trials. Neostriatal DA levels were reduced by 80% at 2 and 7 weeks post-treatment. In addition, 6-OHDA increased DA turnover and decreased norepinephrine (NE) levels. 6-OHDA injections did not alter monoamine levels in the prefrontal cortex. The data support that neostriatal DA modulates both types of navigation. 相似文献
953.
Institutions receiving federal funding for research from the U.S.Public Health Service need to have policies and procedures to both prevent research misconduct and to adjudicate it when it occurs. The person who is designated to handle research misconduct is typically referred to as the research integrity officer (RIO). In this interview study we report on 79 RIOs who describe how they would handle allegations of research misconduct. Their responses were compared to two expert RIOs. The responses to the allegations in the scenarios demonstrated that RIOs are not uniformly well prepared to handle activities associated with reported allegations of research misconduct. We recommend greater preparation through directed training, use of check lists of possible behaviors necessary to consider when situations arise, being involved in a network of RIOs so one can discuss options, and the possible need to certify RIOs. 相似文献
954.
Can people improve the realism of their confidence judgments about the correctness of their episodic memory reports by deselecting the least realistic judgments? An assumption of Koriat and Goldsmith's (Psychol Rev 103:490-517, 1996) model is that confidence judgments regulate the reporting of memory reports. We tested whether this assumption generalizes to the regulation of the realism (accuracy) of confidence judgments. In two experiments, 270 adults in separate conditions answered 50 recognition and recall questions about the contents of a just-seen video. After each answer, they made confidence judgments about the answer's correctness. In Experiment 1, the participants in the recognition conditions significantly increased their absolute bias when they excluded 15 questions. In Experiment 2, the participants in the recall condition significantly improved their calibration. The results indicate that recall, more than recognition, offers valid cues for participants to increase the realism of their report. However, the effects were small with only weak support for the conclusion that people have some ability to regulate the realism in their confidence judgments. 相似文献
955.
Quinn and Watt (2006 Perception 35 267-280) showed that the optimal tempi for pieces of music (ie the appropriate speed for a melody) vary from melody to melody. The current study tested if such tempi responses depend on previous stimulus presentations. To do this, we ran a many-participants single-presentation version of the Quinn and Watt experiment. 616 visitors to the Glasgow Science Centre participated. We found that the results substantially matched those obtained earlier, and demonstrate that participants' responses are essentially independent of previously presented stimuli. 相似文献
956.
Limb apraxia is a neurological disorder characterized by an inability to pantomime and/or imitate gestures. It is more commonly observed after left hemisphere damage (LHD), but has also been reported after right hemisphere damage (RHD). The Conceptual-Production Systems model (Roy, 1996) suggests that three systems are involved in the control of purposeful movements: the conceptual, the production and the sensory/perceptual system. Depending on which system is damaged different patterns of apraxia are expressed. To determine the apraxia pattern, pantomime, delayed, and concurrent imitation tasks need to be administered, as well as conceptual tasks assessing one's knowledge of actions. Based on the model, eight patterns of apraxia should emerge. The purpose of this study is to determine whether these patterns are in fact observed in stroke patients and examine their frequency. If the performance of most stroke patients falls into one of the patterns, then we would have strong support for the conceptual-production model. Stroke (34 LHD and 39 RHD) patients and 27 age- and education-matched healthy controls participated in the study. Participants were assessed in four task modalities: pantomime, delayed imitation, concurrent imitation and conceptual knowledge (two tasks were used: tool naming by action and action identification). Patients were categorized as impaired on a task if they scored 2 SD below the mean performance of the controls for gesture production tasks, or below a cut-off score on the conceptual tasks. They were then classified into patterns depending on their performance on the four task modalities. Most patients (86%) fell into one of seven patterns originally predicted from the Conceptual-Production Systems model. The two most common patterns were deficits in pantomime and imitation with preserved gesture recognition and conduction apraxia (selective deficit in imitation). Four new patterns emerged, but mostly single cases of these were found. Overall, the study provides strong support for the Conceptual-Production Systems model. 相似文献
957.
This study examined the combined effects of age-based self-categorization and aging expectations on cognitive performance in a clinical context. An experimental study manipulated older adults' salient self-categorization as Younger or Older, as well as expectations that aging involves a specific memory decline versus generalized cognitive decline. Memory and general ability tests that are typically used in dementia screening were then administered. As predicted, self-categorization as Older dramatically reduced performance, but the measure on which this effect was revealed depended on aging expectations. Participants who self-categorized as Older and expected memory to decline performed worse on memory tests. Conversely, participants who self-categorized as Older and expected widespread cognitive decline performed worse on the general ability test. The clinical implications for the latter group were profound, because 70% met the diagnostic criterion for dementia, compared with an average of 14% in other conditions. The importance of self-categorization processes when interpreting performance on tests used to diagnose dementia are discussed. (PsycINFO Database Record (c) 2012 APA, all rights reserved). 相似文献
958.
Prof. Dr. Ulrich Voderholzer Stefan Koch Andreas Hillert Sandra Schlegl 《Psychotherapeut》2012,57(5):410-416
Background
Poor outcome of psychotherapeutic treatment has not yet been sufficiently investigated. It is assumed that approximately 25–30% of patients are treatment non-responders and about 5–10% suffer deterioration.Study design and methods
The therapeutic success of a total of 2,323 consecutively admitted inpatients with a depressive episode (F32.0-2, F33.0-2) was evaluated by using different strategies based on self ratings at admission and at discharge, i.e. the Beck depression inventory II (BDI-II) and the brief symptom inventory (BSI). In intention to treat (ITT) and completer analyses various measures of therapy success were compared (e.g. statistical significance, effect sizes and clinical significance).Results
Effect sizes were 1.59 (BDI-II) and 0.86 (BSI) for the ITT sample and 1.64 and 0.89 for the completer sample. Analyses using criteria of clinical significance resulted in response rates of 75.5% (BDI-II) and of 68.7% (BSI) for completer analyses and remission rates of 62.2% (BDI-II) and of 40.8% (BSI). Non-Response rates, also including minor responders, varied between 23.4% (BDI-II) and 27.4% (BSI). Deterioration was observed in only 1% (BDI-II) and 3.9% (BSI) of the patients.Discussion
The results demonstrate that about two thirds of depressive patients show clinically significant improvements within a multimodal, primarily psychotherapeutic inpatient setting, whereas the rates of deterioration are lower than expected. The aim for the future should be to identify poor or minor response as early as possible in order to optimize treatment. 相似文献959.
The present study investigated reinstatement of fear in humans using an aversive differential conditioning paradigm. Two neutral human face pictures were presented during habituation, acquisition, extinction, and postreinstatement phases. One picture served as a conditioned stimulus (CS) reinforced by an unconditioned stimulus (US) in the form of electrical stimulation (CS+) and the second picture as a control stimulus that was never reinforced (CS-). The prediction that in a reinstatement manipulation a previously extinguished fear response in humans can be reinstated in a reinstatement group by the mere presentation of three unpredicted electrical stimulations (USs) was tested. Participants in the control group were not exposed to unpredicted USs and no reinstatement effect was expected. Outcome measures included subjective US expectancy ratings and skin conductance responses. Results showed non-selective return of the fear response due to fear recovery associated with both CSs (CS+/CS-) in the reinstatement group. Unexpected fear recovery was observed for both CSs (CS+/CS-) in control participants. Results are discussed with respect to context conditioning, fear generalisation, and anxiety-related cognitive mechanisms underlying fear recovery after extinction. 相似文献
960.
Quarshie Emmanuel Nii-Boye Davies Priscilla Ayebea Acharibasam Jeremiah Wezenamo Owiredua Christiana Atorkey Prince Quarshie Daniel Annang Quarshie Sandra Naa-Shasha 《Journal of religion and health》2022,61(4):3028-3054
Journal of Religion and Health - While there are no official data and published studies on clergy-perpetrated sexual abuse (CPSA) from Ghana, local media reports continue to show worrying trends of... 相似文献