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721.
Auditory language comprehension: an event-related fMRI study on the processing of syntactic and lexical information 总被引:21,自引:0,他引:21
The functional specificity of different brain areas recruited in auditory language processing was investigated by means of event-related functional magnetic resonance imaging (fMRI) while subjects listened to speech input varying in the presence or absence of semantic and syntactic information. There were two sentence conditions containing syntactic structure, i.e., normal speech (consisting of function and content words), syntactic speech (consisting of function words and pseudowords), and two word-list conditions, i.e., real words and pseudowords. The processing of auditory language, in general, correlates with significant activation in the primary auditory cortices and in adjacent compartments of the superior temporal gyrus bilaterally. Processing of normal speech appeared to have a special status, as no frontal activation was observed in this case but was seen in the three other conditions. This difference may point toward a certain automaticity of the linguistic processes used during normal speech comprehension. When considering the three other conditions, we found that these were correlated with activation in both left and right frontal cortices. An increase of activation in the planum polare bilaterally and in the deep portion of the left frontal operculum was found exclusively when syntactic processes were in focus. Thus, the present data may be taken to suggest an involvement of the left frontal and bilateral temporal cortex when processing syntactic information during comprehension. 相似文献
722.
Müller HJ von Mühlenen A 《Journal of experimental psychology. Human perception and performance》2000,26(5):1591-1605
The role of inhibition of return (IOR) in serial visual search was reinvestigated using R. Klein's (1988) paradigm of a search task followed by a probe-detection task. Probes were presented at either the location of a potentially inhibited search distractor or an empty location. No evidence of IOR was obtained when the search objects were removed after the search-task response. But when the search objects remained on, a pattern of effects similar to Klein's results emerged. However, when just the search-critical object parts were removed or when participants received immediate error feedback to prevent rechecking of the search objects, IOR effects were observed only when probes appeared equally likely at search array and empty locations. These results support the operation of object-based IOR in serial visual search, with IOR demonstrable only when rechecking is prevented (facilitating task switching) and monitoring for probes is not biased toward search objects. 相似文献
723.
Herpertz SC Schwenger UB Kunert HJ Lukas G Gretzer U Nutzmann J Schuerkens A Sass H 《Journal of personality disorders》2000,14(4):339-351
The aim of this study was to assess psychophysiological affect correlates, in addition to the usual self-report in borderline personality disorder (BPD) compared with avoidant personality disorder (APD) and normal controls (NCs), when responding to standardized experimental stimuli. In 24 BPD female patients, 23 APD female patients, and 27 female NCs, skin conductance response (SCR), heart rate (HR) change, and startle response were recorded while the subjects viewed slides with emotional content. Neither the self-report nor the psychophysiological data supported the hypothesis that affective responses of BPD individuals are generally stronger than those with APD. BPD patients showed no potentiation of the affective modulation of the startle reflex and their electrodermal reactivity was lower than in either the APD subjects or the NCs. The hypothesis of a general affective hyperresponsivity could not be confirmed. Low somatic arousal in BPD can interfere with the anticipation of signal stimuli and may explain the exaggerated openness borderline personalities show to stimuli, particularly in interpersonal situations. 相似文献
724.
Why do leaders engage in destructive behaviours? The role of leaders’ working environment and stress
Susanne Tafvelin Robert Lundmark Ulrica von Thiele Schwarz Andreas Stenling 《Journal of Occupational & Organizational Psychology》2023,96(1):165-181
Complementing previous research on antecedents of destructive leadership, we examined the role of work stressors in the emergence of active and passive destructive leadership behaviours. Building on conservation of resources theory, we examined direct and indirect relations between leaders’ perceptions of workload, role ambiguity and intragroup conflict on ratings of their own destructive leadership, as well as mediating paths through perceived stress. We used a two-wave survey design consisting of a random sample of 1311 managers. Structural equation modelling revealed that work stressors were only related to passive forms of destructive leadership, whereas personality was related to both active and passive forms of destructive leadership. Implications for research and practice are discussed. 相似文献
725.
726.
727.
Wolfgang Wiedermann Michael Hagmann Alexander von Eye 《The British journal of mathematical and statistical psychology》2015,68(1):116-141
Previous studies have discussed asymmetric interpretations of the Pearson correlation coefficient and have shown that higher moments can be used to decide on the direction of dependence in the bivariate linear regression setting. The current study extends this approach by illustrating that the third moment of regression residuals may also be used to derive conclusions concerning the direction of effects. Assuming non‐normally distributed variables, it is shown that the distribution of residuals of the correctly specified regression model (e.g., Y is regressed on X) is more symmetric than the distribution of residuals of the competing model (i.e., X is regressed on Y). Based on this result, 4 one‐sample tests are discussed which can be used to decide which variable is more likely to be the response and which one is more likely to be the explanatory variable. A fifth significance test is proposed based on the differences of skewness estimates, which leads to a more direct test of a hypothesis that is compatible with direction of dependence. A Monte Carlo simulation study was performed to examine the behaviour of the procedures under various degrees of associations, sample sizes, and distributional properties of the underlying population. An empirical example is given which illustrates the application of the tests in practice. 相似文献
728.
Manfred?CierpkaEmail author Cord?Benecke Matthias?von der?Tann Thorsten?Jakobsen Inge?Seiffge-Krenke Michael?Stasch 《Psychotherapeut》2015,60(5):377-383
After the operationalized psychodynamic diagnostics (OPD) system became well established in clinical as well as research contexts, especially in German speaking countries, the OPD task force now focuses on issues, such as modules and new manuals which are related to various clinical contexts. In this article new modules and manuals are presented and discussed in summarized form: the modules for addiction disorders and for forensic patients, the new OPD-2 manual for children and adolescents, an OPD-based manual for formulating initial assessment reports for insurance companies as well as a conceptualization for an operationalized psychodynamic therapy (OPT). 相似文献
729.
730.
Public interventions are considered to be an important means of preventing intimate partner violence (IPV). What people believe about the nature of IPV is likely to determine their propensity to intervene, but little is known at present about IPV beliefs among the general public. In a survey of 650 Swedish citizens, beliefs about the prevalence and causes of IPV, and viable means of intervention were assessed. Respondents estimated, on average, that IPV occurs in almost one quarter of all intimate relationships in Sweden, and that IPV is particularly prevalent in low‐income groups, among non‐European immigrants, in suburban areas, and in couples under the age of 50 years. Physical violence was believed to be the most frequent form of abuse in male offender–female victim cases, whereas psychological violence was considered most frequent in other combinations of offender and victim gender. Female respondents estimated a higher prevalence of IPV, attributed less blame to IPV victims, and suggested more means of intervention, than did male respondents. The findings are discussed in relation to empirical prevalence estimates, and implications are proposed. 相似文献