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311.
Considerable research has indicated that children and their parents often demonstrate marked discrepancies in their reporting of anxiety-related phenomena. In such cases, the question arises as to whether children are capable of accurately reporting on their anxiety. In the present study, 50 children (aged 5 to 14 years) were asked to approach a large, German Shepherd dog. Prior to the task, both the mother and child independently predicted the closest point likely to be reached by the child and the degree of anxiety likely to be experienced. These predictions were then compared with the actual phenomena displayed by the child during the task. On the behavioural measure (closest step reached), both the child and mother demonstrated equivalent predictive accuracy. On the subjective measure (fear ratings) children were considerably more accurate than their mothers. The data were not influenced by gender, age, or clinical status. The results indicate the ability of children to accurately predict their anxious responses, and support the value of incorporating children's self-reports in the assessment of emotional disorders. 相似文献
312.
WINDSORT: A fully automated technique for collecting sort data for multidimensional scaling analysis
WINDSORT is a microcomputer program that uses an automated sorting procedure to collect the preprocess proximity data commonly analyzed using multidimensional scaling. The traditional manual sorting task is less tedious, more enjoyable, and far easier for subjects to perform than the tasks that are used in alternative data-collection techniques. However, complete automation of the sorting task has not previously been fully successful WINDSORT uses a form of the hierarchical sorting technique which is reputed to yield richer data than single-sort techniques A maximum of 45 stimuli can be scaled using WINDSORT. Resulting output includes dissimilarity matrices which are ready to analyze using MDS. 相似文献
313.
Processing of mass/count information in Alzheimer’s disease and mild cognitive impairment 总被引:1,自引:0,他引:1
This study examines the processing of a specific linguistic distinction, the mass/count distinction, in patients suffering from Alzheimer’s disease (AD) and mild cognitive impairment (MCI). Fourteen AD and 10 MCI subjects were tested using a sentence grammaticality judgement task where grammaticality violations were caused by determiner–noun mismatches, as well as a sentence–picture matching task to assess their ability to access mass and count readings of dual nouns. Considerable heterogeneity was observed within each subject group, and performance across groups was almost identical. It is concluded that a combination of linguistic and attentional and/or learning factors are responsible for the range of impairments; specifically, a subset of subjects exhibit no linguistic nor attentional/learning impairment, another subset exhibit only an attentional and/or learning impairment but no linguistic impairment, and a third subset (comprising more than half of the subjects included in this study) exhibit a linguistic impairment. It is postulated that the latter group have difficulty processing sense extensions in metonymous nouns. It is further claimed that, at least within the limits of the study, language impairments can be of the same severity and nature across AD and MCI subjects. 相似文献
314.
315.
A slice of life: Ecologically valid methods for research on social relationships and health across the life span
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Joshua M. Smyth Vanessa Juth Jun Ma Martin Sliwinski 《Social and Personality Psychology Compass》2017,11(10)
This paper describes “slice of life” methods—detailed observations of moment‐to‐moment intraindividual processes that occur over short timescales in the natural environment—as an important research tool in exploring social relationships and health across the life span. Such methods, including ecological momentary assessment, experience sampling, daily diaries, measurement burst, and other slice of life designs, are important supplements to more traditional laboratory, epidemiological, and long‐term longitudinal research methods. Specifically, we highlight how slice of life methods (with a focus on ecological momentary assessment) allow researchers to compare the relative importance of different social relationships (or features thereof) for health outcomes, understand temporal dynamics, identify potentially causal mechanistic pathways at different timescales through which social relationships influence health, and design, implement, and evaluate innovative interventions that target these pathways at different timescales. We conclude with recommendations and future directions for slice of life methods for research on social relationships and health across the life span. 相似文献
316.
Leandro L. Di Stasi Vanessa lvarez-Valbuena Jos J. Caas Antonio Maldonado Andrs Catena Adoracin Antolí Antonio Candido 《Transportation Research Part F: Traffic Psychology and Behaviour》2009,12(5):361-370
We present data from an ongoing research project on the cognitive, emotional and neuropsychological basis of risk behaviour. The main aim of the project is to build a model of risk behaviour so that if we know certain cognitive, behavioural and emotional variables, we will be able to predict decisions made in the face of uncertainty and risk, with the final goal of designing programs for evaluating, preventing and controlling risk behaviour. The objective of the present study was to look for individual differences in hazard perception during a static riding simulation and their relationship with mental workload. We used a multidimensional methodology, including behavioural, subjective and physiological data. The behavioural measures were obtained in a static riding simulation during eight hazard situations. We evaluated whether eye activity measures correlated with cognitive workload and different types of risky behaviours. Eye movement parameters were measured using a video-based eye tracking system. We found that risk-prone individuals showed specific patterns of risky behaviours and that peak of saccadic velocity and subjective mental workload indexes were both reliable indicators of risk proneness. Mental workload was higher for participants showing attitudes to risk behaviours probably because of a lack of conscious awareness of specific cues indicating dangerous scenarios. 相似文献
317.
This research proposes a feelings-based account of brand extension evaluation and demonstrates that the promise of pleasure (hedonic potential) associated with luxury brands is a key driver of brand extendibility. In four studies, we contrast a luxury brand with a value brand. Both brand concepts lead to equally favorable brand evaluations, but the luxury brand concept results in more favorable brand extension evaluations due to the hedonic potential inherent in this concept. However, the luxury brand is shown to be sensitive to inconsistent brand cues, leading to diminished hedonic potential and consequently decreased brand and brand extension evaluations. 相似文献
318.
Allison M. Waters Louise A. Ford Vanessa E. Cobham 《Behaviour research and therapy》2009,47(8):654-662
The present study compared the efficacy of a group-based cognitive-behavioural treatment (GCBT) delivered exclusively to parents of young anxious children (between 4 and 8 years of age) with the same intervention delivered to both children and parents, relative to a Wait-list Control condition. Parents of children in the Parent Only condition (N = 25) received 10 weekly sessions of GCBT whereas children and parents in the Parent + Child condition (N = 24) each received 10 weekly sessions of GCBT. Intent-to-treat analyses indicated that both active treatment conditions were superior to the Wait-list condition (N = 11), with 55.3% of children in the Parent Only condition and 54.8% of children in the Parent + Child condition no longer meeting criteria for their principal diagnosis at post-treatment. These treatment gains were maintained in both treatment conditions at six-month and 12-month follow-up assessments. There were no significant differences between the two active conditions on other outcome measures including parental psychopathology and parenting style. However, an unexpected finding was that parenting satisfaction and to some extent parenting competence reduced significantly from pre- to post-treatment regardless of the active treatment condition. The present results suggest that GCBT delivered exclusively to parents of young anxious children may be a viable treatment alternative for improving accessibility to efficacious treatments for children with anxiety disorders and for reducing costs associated with mental health care delivery. 相似文献
319.
Alyssa Arentoft Victoria Sweat Vanessa Starr Stephen Oliver Jason Hassenstab Hannah Bruehl Aziz Tirsi Elizabeth Javier Pauline F. McHugh Antonio Convit 《Brain and cognition》2009,71(2):147-152
Brain-derived neurotrophic factor (BDNF) plays a regulatory role in neuronal differentiation and synaptic plasticity and has been linked to glucose regulation and cognition. Associations among plasma BDNF, cognition, and insulin function were explored. Forty-one participants with impaired insulin function (IIF), ranging from insulin resistance to type 2 diabetes mellitus (T2DM), were matched with 41 healthy controls on gender, age, education, and IQ. Participants received complete medical, neurological, psychiatric, and neuropsychological evaluations. IIF individuals had significantly lower plasma BDNF levels than controls, particularly females, and higher BDNF levels were associated with poorer explicit memory in IIF females, suggesting that higher levels within this group may reflect the body’s efforts to respond to damage. After accounting for age, education, and HbA1c, BDNF significantly predicted 13.1–23.5% of the variance in explicit memory in IIF women. These findings suggest that BDNF elevations within diseased groups may not always be a marker of health. 相似文献
320.
This article compares the properties of apparent motion between a light and a touch with apparent motion between either two lights or two touches. Visual and tactile stimulators were attached to the tips of the two index fingers that were held apart at different distances. Subjects rated the quality of apparent motion between each stimulus combination for a range of stimulus onset asynchronies (SOAs). Subjects reported perceiving apparent motion between all three stimulus combinations. For light-light visual apparent motion, the preferred SOA and the direction threshold SOAs increased as the distance between the stimuli increased (consistent with Korte's third law of apparent motion). Touch-touch apparent motion also obeyed Korte's third law, but over a smaller range of distances, showing that proprioceptive information concerning the position of the fingers is integrated into the tactile motion system. The threshold and preferred SOAs for visuotactile apparent motion did not vary with distance, suggesting a different mechanism for multimodal apparent motion. 相似文献