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101.
102.
The effects of attention on speech perception: an fMRI study 总被引:8,自引:0,他引:8
Focusing of attention to a specific speech source plays an important role in everyday speech perception. However, little is known of the neuronal substrates of focused attention in speech perception. Thus, the present study investigated the effects on neuronal activation of directed attention to auditory stimuli that differed in semantic content. Using an event-related fMRI protocol, single vowels, three-phoneme pseudowords and three- and four-phoneme real nouns and words were randomly presented to the subjects during four different instructional conditions. One condition was passive listening without any specific instructions of focusing of attention. The other conditions were attention focused on either the vowels, the pseudowords or the words. Thus, the acoustic stimulation was constant across conditions. The subjects were 13 healthy adults. Functional MRI was performed with a 1.5 T scanner, using an event-related design. During passive listening, there were significant activations bilaterally in the superior temporal gyrus. Instruction to attend to the pseudowords caused activation in middle temporal lobe areas, extending more anterior compared to the activations seen during passive listening. Instruction to attend to the vowel sounds caused an increase in activation in the superior/medial temporal lobe, with a leftward asymmetry. Instruction to attend to the words caused a leftward asymmetry, particularly in the middle and superior temporal gyri. It is concluded that attention plays a modulatory role in neuronal activation to speech sounds, producing specific activations to specific stimulus categories that may act to facilitate speech perception. 相似文献
103.
A total of 13 clients (10 women and 3 men, mean age 32.85 years, SD 10.50) were interviewed after finishing group therapy, and 7 were re-interviewed 4-5 months later. The clients recounted all the specific episodes they remembered from the therapy. The memories were classified as flashbulb memories or non-flashbulb memories according to two different criteria: consistency and phenomenological clarity. Clients had flashbulb memories from therapy according to both operationalisations. Flashbulb memories according to a phenomenology-based operationalisation referred to more unusual episodes and more often to episodes associated with insight than non-flashbulb memories. The consistency operationalisation did not differentiate between flashbulb and non-flashbulb memories with respect to characteristics of the remembered events. Number of remembered episodes was positively related to the subjective evaluation of the therapy. 相似文献
104.
EARLY REGULATION IN CHILDREN WHO ARE LATER DIAGNOSED WITH AUTISM SPECTRUM DISORDER. A LONGITUDINAL STUDY WITHIN THE DANISH NATIONAL BIRTH COHORT
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Sanne Lemcke Erik T. Parner Merete Bjerrum PER H. Thomsen Marlene B. Lauritsen 《Infant mental health journal》2018,39(2):170-182
Studies have shown that children later diagnosed with autism spectrum disorders (ASD) in their first years of life might show symptoms in main developmental areas and that these signs might be sensed by the parents. The present study investigated in a large birth cohort if children later diagnosed with ASD had deviations at 6 and 18 months in areas such as the ability to self‐regulate emotions, feeding, and sleeping. The study was based on prospective information collected from 76,322 mothers who participated in the Danish National Birth Cohort. When the children reached an average age of 11 years, 973 children with ASD and a control group of 300 children with intellectual disability (IDnoASD) were identified via Danish health registries. Associations were found between short periods of breast‐feeding and the children later diagnosed with ASD and IDnoASD as well as associations at 18 months to deviations in regulation of emotions and activity. The similarities in these associations emphasize how difficult it is to distinguish between diagnoses early in life. 相似文献
105.
J. J McDowell Olivia L. Calvin Bryan Klapes 《Journal of the experimental analysis of behavior》2016,105(3):445-458
A survey of residual analysis in behavior‐analytic research reveals that existing methods are problematic in one way or another. A new test for residual trends is proposed that avoids the problematic features of the existing methods. It entails fitting cubic polynomials to sets of residuals and comparing their effect sizes to those that would be expected if the sets of residuals were random. To this end, sampling distributions of effect sizes for fits of a cubic polynomial to random data were obtained by generating sets of random standardized residuals of various sizes, n. A cubic polynomial was then fitted to each set of residuals and its effect size was calculated. This yielded a sampling distribution of effect sizes for each n. To test for a residual trend in experimental data, the median effect size of cubic‐polynomial fits to sets of experimental residuals can be compared to the median of the corresponding sampling distribution of effect sizes for random residuals using a sign test. An example from the literature, which entailed comparing mathematical and computational models of continuous choice, is used to illustrate the utility of the test. 相似文献
106.
The vicious circle of religious prejudice: Islamophobia makes the acculturation attitudes of majority and minority members clash
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Jonas R. Kunst Talieh Sadeghi Hajra Tahir David Sam Lotte Thomsen 《European journal of social psychology》2016,46(2):249-259
Public discourse often portrays Islam as the main obstacle for Muslim minorities' integration, paying little attention to the contextual factors hindering this process. Here, we focus on islamophobia as one destructive factor that hinders the mutual integration between Muslim minority and Western majority members, affecting both groups. In Study 1, the more islamophobic majority members were, the more they expected Muslims to give up their heritage culture and the less they wanted them to integrate. In Study 2, only when Muslims experienced substantial religious discrimination did religious identity negatively relate to national engagement and particularly positively relate to ethnic engagement. Together, the studies suggest that religious prejudice in the form of islamophobia is a major obstacle to Muslims' integration because it increases the incongruity between majority and minority members' acculturation attitudes. 相似文献
107.
Clemmont E. Vontress Calvin E. Woodland Lawrence Epp 《Journal of multicultural counseling and development》2007,35(3):130-141
Many African Americans experience low‐grade depression, referred to as dysthymia in the Diagnostic and Statistical Manual of Mental Disorders (4th ed., text rev.; American Psychiatric Association, 2000). After more than 250 years of enslavement, prejudice, and discrimination, dysthymia is reflected in chronic low‐grade sadness, anger, hostility, aggression, self‐hatred, hopelessness, and self‐destructive behaviors. To avoid misdiagnosis, counselors need to understand how cultural factors can elicit a collective psychological condition in an oppressed group. Muchos Afroamericanos experimentan depresión leve, llamada distimia en el Diagnostic and Statistical Manual of Mental Disorders (4a ed., texto rev.; American Psychiatric Association, 2000). Después de más de 250 años de esclavitud, prejuicio y discriminación, la distimia se refleja como tristeza crónica leve, ira, hostilidad, agresividad, odio a uno mismo, desesperanza y comportamientos autodestructivos. Para evitar un diagnóstico erróneo, los consejeros deben comprender cómo los factores culturales pueden acarrear una condición psicológica colectiva en un grupo oprimido. 相似文献
108.
Jerry L. Deffenbacher Calvin C. Kemper Tracy L. Richards 《Journal of psychopathology and behavioral assessment》2007,29(4):220-230
This study explored the relationship of driving anger expression to driving anger, trait anger, general anger expression,
and aggressive and risky behavior while driving. Verbal, physical, and vehicular forms of expressing anger while driving correlated
positively with each other, driving and trait anger, anger-in, and anger-out and negatively with adaptive/constructive driving
anger expression and general anger-control. Adaptive/constructive expression formed small negative correlations with these
measures, except for a positive correlation with anger-control. Regression models controlling for demographic variables and
driving anger, trait anger, or general anger expression demonstrated forms of driving anger expression added variance to predicting
aggressive and risky behavior. Forms of driving anger expression partially mediated the effects for driving anger, trait anger,
and general anger expression on aggressive and risky behavior. No moderation effects were found for age, gender, or miles
driven. Findings provided evidence for convergent and incremental validity for the Driving Anger Expression Inventory. 相似文献
109.
Effective obesity treatments 总被引:3,自引:0,他引:3
To curb the epidemic of obesity in the United States, revised Medicare policy allows support for efficacious obesity treatments. This review summarizes the evidence from rigorous randomized trials (9 lifestyle trials, 5 drug trials, and 2 surgical trials) on the efficacy and risk- benefit profile of lifestyle, drug, and surgical interventions aimed at promoting sustained (= 2 years) reductions in weight. Both lifestyle and drug interventions consistently produced an approximate 7-lb (3.2-kg) weight loss that was sustained for 2 years and was associated with improvements in diabetes, blood pressure, and/or cardiovascular risk factors. Surgical interventions have a less solid empirical base but offer promise for the promotion of significant and sustained weight reduction posttreatment in the morbidly obese but with possible significant short-term side effects. In summary, there is strong and consistent support from rigorous randomized trials that lifestyle or drug interventions result in modest weight loss with minimal risks but disproportionate clinical benefit. Combinations of lifestyle, drug, and, where appropriate, surgical interventions may be the most efficacious approach to achieving sustained weight loss for the widest diversity of patients. 相似文献
110.
Thomsen M 《Science and engineering ethics》2007,13(1):117-127
A course focusing on ethical issues in physics has been taught to undergraduate students at Eastern Michigan University since 1988. The course covers both responsible conduct of research and ethical issues associated with how physicists interact with the rest of society. Since most undergraduate physics majors will not have a career in academia, it is important that a course such as this address issues that will be relevant to physicists in a wide range of job situations. There is a wealth of published work that can be drawn on for reading assignments. 相似文献