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221.
Studies in East European Thought - 相似文献
222.
We present a computational model that provides a unified account of inference, coherence, and disambiguation. It simulates how the build-up of coherence in text leads to the knowledge-based resolution of referential ambiguity. Possible interpretations of an ambiguity are represented by centers of gravity in a high-dimensional space. The unresolved ambiguity forms a vector in the same space. This vector is attracted by the centers of gravity, while also being affected by context information and world knowledge. When the vector reaches one of the centers of gravity, the ambiguity is resolved to the corresponding interpretation. The model accounts for reading time and error rate data from experiments on ambiguous pronoun resolution and explains the effects of context informativeness, anaphor type, and processing depth. It shows how implicit causality can have an early effect during reading. A novel prediction is that ambiguities can remain unresolved if there is insufficient disambiguating information. 相似文献
223.
Tone sequences with conflicting fundamental pitch and timbre changes are heard differently by musicians and nonmusicians 总被引:1,自引:0,他引:1
Seither-Preisler A Johnson L Krumbholz K Nobbe A Patterson R Seither S Lütkenhöner B 《Journal of experimental psychology. Human perception and performance》2007,33(3):743-751
An Auditory Ambiguity Test (AAT) was taken twice by nonmusicians, musical amateurs, and professional musicians. The AAT comprised different tone pairs, presented in both within-pair orders, in which overtone spectra rising in pitch were associated with missing fundamental frequencies (F0) falling in pitch, and vice versa. The F0 interval ranged from 2 to 9 semitones. The participants were instructed to decide whether the perceived pitch went up or down; no information was provided on the ambiguity of the stimuli. The majority of professionals classified the pitch changes according to F0, even at the smallest interval. By contrast, most nonmusicians classified according to the overtone spectra, except in the case of the largest interval. Amateurs ranged in between. A plausible explanation for the systematic group differences is that musical practice systematically shifted the perceptual focus from spectral toward missing-F0 pitch, although alternative explanations such as different genetic dispositions of musicians and nonmusicians cannot be ruled out. ((c) 2007 APA, all rights reserved). 相似文献
224.
PD Dr. Kirsten von Sydow Stefan Beher Rüdiger Retzlaff Jochen Schweitzer-Rothers 《Psychotherapeut》2007,52(3):187-211
Background
Systemic therapy is a scientifically acknowledged form of psychotherapy in the US and many European countries, but not yet in Germany.Method
All randomized (or parallelized) controlled trials (RCT) evaluating systemic couples/family/individual therapy with adult index patients published in English, German or Spanish up to the end of 2004 were identified via data base searches and cross-references in other meta-analyses and reviews. A meta-analysis of the identified RCT was performed.Results
28 RCT (43 publications) evaluating systemic therapy with adult index patients suffering from clinical disorders (ICD-10) were identified. Systemic therapy is efficacious with regard to substance disorders, mental/social factors interacting with somatic disorders, schizophrenia, depression and eating disorders. The results are stable across follow-up periods of up to 5 years.Conclusion
According to the criteria of the German Scientific Advisory Board Psychotherapy (Wissenschaftlicher Beirat Psychotherapie) there seems to be good evidence for the efficacy of systemic therapy in at least four fields of application of adult psychotherapy. 相似文献225.
Towards single-trial analysis in cognitive brain research 总被引:1,自引:0,他引:1
226.
Hofmann SG 《Cognitive behaviour therapy》2007,36(4):193-209
Social anxiety disorder (SAD) is a common, distressing and persistent mental illness. Recent studies have identified a number of psychological factors that could explain the maintenance of the disorder. These factors are presented here as part of a comprehensive psychological maintenance model of SAD. This model assumes that social apprehension is associated with unrealistic social standards and a deficiency in selecting attainable social goals. When confronted with challenging social situations, individuals with SAD shift their attention toward their anxiety, view themselves negatively as a social object, overestimate the negative consequences of a social encounter, believe that they have little control over their emotional response, and view their social skills as inadequate to effectively cope with the social situation. In order to avoid social mishaps, individuals with SAD revert to maladaptive coping strategies, including avoidance and safety behaviors, followed by post-event rumination, which leads to further social apprehension in the future. Possible disorder-specific intervention strategies are discussed. 相似文献
227.
A multisource field study of 103 employees and their supervisors tested an extension of uncertainty management theory (E. A. Lind & K. Van den Bos, 2002; K. Van den Bos & E. A. Lind, 2002). According to this theory, persons high in social comparison orientation (F. X. Gibbons & B. P. Buunk, 1999) experience chronic uncertainty about the self. It was hypothesized that this should strengthen the effects of interactional and procedural justice perceptions on antisocial work behaviors. As predicted, the negative relationship between employee perceptions of interactional justice and supervisory ratings of antisocial work behaviors was stronger for people who are high as compared with low in social comparison orientation. Results provide evidence for an extension of uncertainty management theory to the self-domain. 相似文献
228.
Hofer A Siedentopf CM Ischebeck A Rettenbacher MA Verius M Golaszewski SM Felber S Fleischhacker WW 《Brain and cognition》2007,63(2):174-181
Functional MRI was used to investigate brain activation in healthy volunteers during encoding of unfamiliar faces as well as during correct recognition of newly learned faces (CR) compared to correct identification of distractor faces (CF), missed alarms (not recognizing previously presented faces, MA), and false alarms (incorrectly recognizing newly presented faces, FA). Encoding was associated with frontal, occipital/fusiform, thalamic, and cerebellar activation. CR produced activation in frontal and cerebellar regions, whereas CF activated frontal and occipitotemporal regions as well as the thalamus. In contrast, MA was associated with frontal and thalamic activation, and FA with frontal activation. The CR minus CF comparison showed left lateral prefrontal and parietal activation, while no suprathreshold positive signal changes were detected when subtracting the other conditions (CR minus MA, CR minus FA, and vice versa). These results support the view that the successful episodic retrieval of newly learned faces is based on a dorsal visual stream mechanism. 相似文献
229.
230.
For humans and other species, the ability to estimate the physical passage of time is of fundamental importance for perceptual, cognitive or motor functions. Despite this importance, any subjective estimation of temporal durations not only depends on the temporal dynamics of the to-be-timed stimulus or event, but also can be distorted by non-temporal perceptual, cognitive, and emotional effects. This study aimed to further explore critical stimulus characteristics modulating distracter-induced distortions in human time-reproduction. To this end, we investigated whether subjectively rated distracter dimensions of arousal and valence (related to levels of emotionality), or rather stimulus complexity, as a confounder, produce distortions in participants' reproduction of a previously trained target interval. Accuracy and precision of time-reproduction have been measured in distracter-trials, and compared to timing performance in baseline-trials without any distraction. Results showed temporal overproductions in a magnitude of less than distracter duration only for complex distracters. Most importantly, arousal level and valence of distracters were not accountable for temporal distortions. Within an internal clock framework, our pattern of results can best be interpreted in the context of attention-, rather than arousal-based mechanisms of timing. 相似文献