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121.
The purpose of the current study was to examine the factorial validity of existing grit measures and to examine differences in the grit level of athletes across performance tiers (i.e., collegiate, professional, Olympic). Female soccer players (N = 305) of varying competitive levels completed measures of grit. Results revealed preliminary support for the 8-item Grit Scale factorial validity, as well as a significant age-adjusted difference in grit level between Division I and Division II collegiate athletes. Taken together, study results prompt questions regarding the theoretical underpinnings, and consequent measurement, of the grit construct in sport psychology practice.  相似文献   
122.
The media, including television, newspapers, and popular films have been implicated in the facilitation of mental illness stigmatization by presenting negative and inaccurate depictions of various diagnoses. The current study examined the impact of film on participants’ knowledge, attitudes, and behaviors towards people with schizophrenia. A total of 106 participants completed questionnaires before and after viewing a 45-min film excerpt. Films viewed included a fear-based inaccurate, likeable-inaccurate, and an educational-accurate depiction of schizophrenia. There was also a control group. There were significant increases in stigmatizing attitudes for participants in the fear-based inaccurate group compared to the accurate and control group. Fear-based participants reported increased negative affect and endorsed statements suggesting that people with schizophrenia were unpredictable, dependent, and dangerous. These results provide support for the hypothesis that negative, inaccurate portrayals of severe mental illness enhance stigmatizing attitudes. Accurate film depictions, advocacy for social equality, and the continued education of individuals, clients, families, communities and organizations will help to mitigate the impact of films on mental illness stigmatization.  相似文献   
123.
Ulrich Meyer 《Erkenntnis》2004,61(1):17-28
This paper presents a novel account of applied mathematics. It shows how we can distinguish the physical content from the mathematical form of a scientific theory even in cases where the mathematics applied is indispensable and cannot be eliminated by paraphrase.  相似文献   
124.
Two experiments evaluated the ability of younger and older adults to visually discriminate 3-D shape as a function of surface coherence. The coherence was manipulated by embedding the 3-D surfaces in volumetric noise (e.g., for a 55?% coherent surface, 55?% of the stimulus points fell on a 3-D surface, while 45?% of the points occupied random locations within the same volume of space). The 3-D surfaces were defined by static binocular disparity, dynamic binocular disparity, and motion. The results of both experiments demonstrated significant effects of age: Older adults required more coherence (tolerated volumetric noise less) for reliable shape discrimination than did younger adults. Motion-defined and static-binocular-disparity-defined surfaces resulted in similar coherence thresholds. However, performance for dynamic-binocular-disparity-defined surfaces was superior (i.e., the observers?? surface coherence thresholds were lowest for these stimuli). The results of both experiments showed that younger and older adults possess considerable tolerance to the disrupting effects of volumetric noise; the observers could reliably discriminate 3-D surface shape even when 45?% of the stimulus points (or more) constituted noise.  相似文献   
125.
126.
Understanding the dropout rates of efficacious forms of psychotherapy for patients with binge eating disorder (BED) is an unsolved problem within this increasing population. Up until now the role of psychotherapy process characteristics as predictors of premature termination has not been investigated in the BED literature. Within a randomized controlled trial (N=78) we investigated the degree to which early psychological process characteristics, such as components of the therapeutic relationship and the experiences of mastery and motivational clarification, predicted premature termination of treatment. We statistically controlled for the influences of covariates such as rapid response of treatment, treatment group, body mass index, Axis II disorder, and patients' preexisting generalized self-efficacy at baseline. Patients' postsession reports from Sessions 1 to 5 indicated that low self-esteem in-session experiences was a stable predictor of premature termination. Its predictive value persisted after controlling for the above-mentioned covariates. Exploratory analyses further revealed low self-esteem experiences, low global alliance, and low mastery and clarification experiences as predictors in those patients who explicitly specified discontentment with therapy as reason for premature termination. These results indicate that patients' self-esteem experiences may not be an epiphenomenon of their specific psychopathology but may represent general mechanisms on which remaining or withdrawing from psychotherapeutic treatment depends. Early psychotherapy process characteristics should therefore be considered in training and evaluation of psychotherapists carrying through BED treatments.  相似文献   
127.
Positive emotions are often treated as relatively similar in their cognitive-behavioral effects, and as having unambiguously beneficial consequences. For example, Valdesolo and DeSteno (2006) reported that a humorous video made people more prone to choose a utilitarian solution to a moral dilemma. They attributed this finding to increased positive affect. To determine whether such results actually stem in general from positive affect or from other more specific properties of humor, we conducted an experiment with moral dilemmas presented during an interleaved emotion-induction procedure involving mirth and another positive emotion, elevation. Mirth increased permissiveness for deontological violations, whereas elevation had the opposite effect. Furthermore, affective valence had no apparent independent influence on these judgments. Our results suggest that mirth and elevation have distinct cognitive consequences whose properties reflect their respective social functions, not their shared positive valence.  相似文献   
128.
This study examined the association between the security of attachment and processes influencing the development of emotion regulation in young children. A sample of 73 4 1/2-year-olds and their mothers were observed in an emotion regulation probe involving mild frustration for children, and mothers and children were later independently interviewed about how the child had felt. Fewer than half the mothers agreed with children’s self-reports in the emotion they attributed to children (a lower rate than the concordance of observer ratings with children’s self-reports), and higher mother-child concordance was associated with secure attachment and mother’s beliefs about the importance of attending to and accepting their own emotions. Mother-child conversations about recent events evoking children’s negative emotion were also analyzed. Children were less likely to avoid conversing about negative feelings when they were in secure attachments and when mothers were more validating of the child’s perspective. Children’s greater understanding of negative emotions was also significantly associated with higher mother-child concordance and less child conversational avoidance. Taken together, these findings underscore the multiple influences of attachment on emotion regulation and the importance of children’s emotion understanding to these processes.  相似文献   
129.
A consolidated memory recalled by a reminder enters a vulnerability phase (labilization), followed by a process of stabilization (reconsolidation). Several authors have suggested that the labilization of the consolidated memory makes the incorporation of new information possible. Here, we demonstrate updating in the framework of memory declarative reconsolidation in humans by giving an opportune verbal instruction. Volunteers learn an association between five cue-syllables (L1) and their respective response-syllables. Twenty-four hours later, the paired-associate verbal memory is labilized by exposing the subjects to the reminder, and then they receive the verbal Instruction of adding three new cue-response syllables (INFO) with their respective responses to the former list of five. The new information is incorporated into the single former L1-memory and both INFO and L1 are successfully retrieved on the third day. However, when the Instruction is not preceded by a proper reminder, or when the instruction omits the order of adding the INFO into the former L1-memory, we observed interference in retrieval of both the original and the new information, suggesting that they are encoded independently and coexist as separate memories.  相似文献   
130.
Insulin regulates glucose uptake and storage in peripheral tissues, and has been shown to act within the hypothalamus to acutely regulate food intake and metabolism. The machinery for transduction of insulin signaling is also present in other brain areas, particularly in the hippocampus, but a physiological role for brain insulin outside the hypothalamus has not been established. Recent studies suggest that insulin may be able to modulate cognitive functions including memory. Here we report that local delivery of insulin to the rat hippocampus enhances spatial memory, in a PI-3-kinase dependent manner, and that intrahippocampal insulin also increases local glycolytic metabolism. Selective blockade of endogenous intrahippocampal insulin signaling impairs memory performance. Further, a rodent model of type 2 diabetes mellitus produced by a high-fat diet impairs basal cognitive function and attenuates both cognitive and metabolic responses to hippocampal insulin administration. Our data demonstrate that insulin is required for optimal hippocampal memory processing. Insulin resistance within the telencephalon may underlie the cognitive deficits commonly reported to accompany type 2 diabetes.  相似文献   
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