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121.
The study tests the hypothesis of an embodied associative triangle among relative tone pitch (i.e., high or low tones), vertical movement, and facial emotion. In particular, it is tested whether relative pitch automatically activates facial expressions of happiness and anger as well as vertical head movements. Results show robust congruency effects: happiness expressions and upward head tilts are imitated faster when paired with high rather than low tones, while anger expressions and downward head tilts are imitated faster when paired with low rather than high tones. The results add to the growing evidence favoring an embodiment account that emphasizes multimodal representations as the basis of cognition, emotion, and action. 相似文献
122.
Ingo W. Nader Ulrich S. Tran Anton K. Formann 《The British journal of mathematical and statistical psychology》2011,64(2):320-336
Parameters of the two‐parameter logistic model are generally estimated via the expectation–maximization (EM) algorithm by the maximum‐likelihood (ML) method. In so doing, it is beneficial to estimate the common prior distribution of the latent ability from data. Full non‐parametric ML (FNPML) estimation allows estimation of the latent distribution with maximum flexibility, as the distribution is modelled non‐parametrically on a number of (freely moving) support points. It is generally assumed that EM estimation of the two‐parameter logistic model is not influenced by initial values, but studies on this topic are unavailable. Therefore, the present study investigates the sensitivity to initial values in FNPML estimation. In contrast to the common assumption, initial values are found to have notable influence: for a standard convergence criterion, item discrimination and difficulty parameter estimates as well as item characteristic curve (ICC) recovery were influenced by initial values. For more stringent criteria, item parameter estimates were mainly influenced by the initial latent distribution, whilst ICC recovery was unaffected. The reason for this might be a flat surface of the log‐likelihood function, which would necessitate setting a sufficiently tight convergence criterion for accurate recovery of item parameters. 相似文献
123.
Finke K Schwarzkopf W Müller U Frodl T Müller HJ Schneider WX Engel RR Riedel M Möller HJ Hennig-Fast K 《Journal of abnormal psychology》2011,120(4):890-901
Attention deficit hyperactivity disorder (ADHD) persists frequently into adulthood. The decomposition of endophenotypes by means of experimental neuro-cognitive assessment has the potential to improve diagnostic assessment, evaluation of treatment response, and disentanglement of genetic and environmental influences. We assessed four parameters of attentional capacity and selectivity derived from simple psychophysical tasks (verbal report of briefly presented letter displays) and based on a "theory of visual attention." These parameters are mathematically independent, quantitative measures, and previous studies have shown that they are highly sensitive for subtle attention deficits. Potential reductions of attentional capacity, that is, of perceptual processing speed and working memory storage capacity, were assessed with a whole report paradigm. Furthermore, possible pathologies of attentional selectivity, that is, selection of task-relevant information and bias in the spatial distribution of attention, were measured with a partial report paradigm. A group of 30 unmedicated adult ADHD patients and a group of 30 demographically matched healthy controls were tested. ADHD patients showed significant reductions of working memory storage capacity of a moderate to large effect size. Perceptual processing speed, task-based, and spatial selection were unaffected. The results imply a working memory deficit as an important source of behavioral impairments. The theory of visual attention parameter working memory storage capacity might constitute a quantifiable and testable endophenotype of ADHD. 相似文献
124.
Prof. Dr. med. Ulrich Rüger 《Psychotherapeut》2010,55(4):355-357
125.
Susan W. White Anne Marie Albano Cynthia R. Johnson Connie Kasari Thomas Ollendick Ami Klin Donald Oswald Lawrence Scahill 《Clinical child and family psychology review》2010,13(1):77-90
Anxiety is a common co-occurring problem among young people with autism spectrum disorders (ASD). Characterized by deficits
in social interaction, communication problems, and stereotyped behavior and restricted interests, this group of disorders
is more prevalent than previously realized. When present, anxiety may compound the social deficits of young people with ASD.
Given the additional disability and common co-occurrence of anxiety in ASD, we developed a manual-based cognitive-behavioral
treatment program to target anxiety symptoms as well as social skill deficits in adolescents with ASD [Multimodal Anxiety
and Social Skills Intervention: MASSI]. In this paper, we describe the foundation, content, and development of MASSI. We also
summarize data on treatment feasibility based on a pilot study that implemented the intervention. 相似文献
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129.
Location-based cuing experiments have shown that inhibition of return (IOR) spreads beyond a cued location but appears to
be confined to the cued hemifield by the vertical meridian. Previous studies have also shown that IOR can spread across objects
and here we investigate whether an object can be used to mediate the spreading of IOR into the opposite hemifield. Two experiments
used a rectangular object that surrounded four target locations, two to the left and right of a central fixation point. The
spreading of IOR in the presence of the object was determined and compared with a condition where the object-frame was absent.
Object-present and object-absent trials were either mixed within a block (Experiment 1) or divided into separate blocks (Experiment
2). Both experiments revealed robust inhibition in the cued but not the uncued hemifield, further demonstrating the hemifield-based
spreading of IOR. 相似文献
130.
In three experiments we measured response time (RT) and peak force (PF) to investigate the grouping of left- and right-hand key press responses in a dual-task paradigm involving two independent go/no-go tasks. Within each task, a go stimulus within one of two modalities (i.e., visual versus auditory) required a response by one hand. In Experiment 1 with simultaneous go stimuli in the two tasks, responses appeared to be grouped in approximately 75-80% of trials, compared with nearly 100% grouping in a single-task condition requiring bimanual responses to the onset of any stimulus in either modality. In Experiment 2 with stimulus onset asynchronies (SOAs) of 0-400 ms between the two go stimuli, response grouping clearly declined as SOA increased, although some grouping was still evident even at the longest SOA. The same pattern was observed in Experiment 3 with the same range of SOAs but unpredictable stimulus order, suggesting that grouping is not strongly dependent on prior knowledge of the likely response order. These results emphasize the pervasiveness of response grouping in bimanual dual-task RT paradigms and provide useful clues as to its nature. 相似文献