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When a word perception task was studied under conditions of binocular rivalry, the meaningful one of two rivalling strings of letters was identified more often than the other. Differences in frequency of the trigrams in the Norwegian language had no effect. 相似文献
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The frontal hypothesis of cognitive aging: factor structure and age effects on four frontal tests among healthy individuals 总被引:1,自引:0,他引:1
With 101 healthy aging adult participants, the authors investigated whether executive functions are a unitary concept. The authors established the factor structure of the Wisconsin Card Sorting Test (WCST; E. A. Berg, 1948), the Stroop color and word test (C. J. Golden, 1978), verbal fluency using the Controlled Oral Word Association Test (COWAT; Benton, 1967), and the Digits Backwards subtest of the Wechsler Adult Intelligence Scale-Revised (WAIS-R; D. Wechsler, 1981). The authors also evaluated the extent to which age and other demographic variables predicted common underlying properties of these frontal tests. Results revealed an age-related decline in executive abilities differentially reflected by the selected tasks. These data suggest caution using the COWAT to evaluate executive abilities in older people. The authors interpret findings to support the unitary view of executive abilities and the executive decline proposed by the frontal hypothesis. 相似文献
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Espen J. Folmo Sigmund W. Karterud Kjetil Bremer Kristoffer L. Walther Elfrida H. Kvarstein Geir A. F. Pedersen 《Scandinavian journal of psychology》2017,58(4):341-349
Few group psychotherapy studies focus on therapists' interventions, and instruments that can measure group psychotherapy treatment fidelity are scarce. The aim of the present study was to evaluate the reliability of the Mentalization‐based Group Therapy Adherence and Quality Scale (MBT‐G‐AQS), which is a 19‐item scale developed to measure adherence and quality in mentalization‐based group therapy (MBT‐G). Eight MBT groups and eight psychodynamic groups (a total of 16 videotaped therapy sessions) were rated independently by five raters. All groups were long‐term, outpatient psychotherapy groups with 1.5 hours weekly sessions. Data were analysed by a Generalizability Study (G‐study and D‐study). The generalizability models included analyses of reliability for different numbers of raters. The global (overall) ratings for adherence and quality showed high to excellent reliability for all numbers of raters (the reliability by use of five raters was 0.97 for adherence and 0.96 for quality). The mean reliability for all 19 items for a single rater was 0.57 (item range 0.26–0.86) for adherence, and 0.62 (item range 0.26–0.83) for quality. The reliability for two raters obtained mean absolute G‐coefficients on 0.71 (item range 0.41–0.92 for the different items) for adherence and 0.76 (item range 0.42–0.91) for quality. With all five raters the mean absolute G‐coefficient for adherence was 0.86 (item range 0.63–0.97) and 0.88 for quality (item range 0.64–0.96). The study demonstrates high reliability of ratings of MBT‐G‐AQS. In models differentiating between different numbers of raters, reliability was particularly high when including several raters, but was also acceptable for two raters. For practical purposes, the MBT‐G‐AQS can be used for training, supervision and psychotherapy research. 相似文献
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Congenital hypothyroidism (CH) has devastating effects upon brain development if left untreated. Despite early start of thyroxine treatment, patients still show subtle cognitive deficits compared to controls. We aimed to study auditory event related potentials (ERPs) in young CH adults (N = 12) to verify previous reports of normal attention functions measured by P3 in CH children. We also include ERP components (P1, N1, P2) allowing assessment of a wider range of auditory processing functions. No significant change in P3 latency or amplitude was found in the CH group, but a more subtle change in amplitude topography. A later start of thyroxine treatment was related to increased P3 latency and reduced amplitude. Group differences were found in early ERP components tapping sensory processing, sensory gating and selective attention. The results suggest persisting abnormalities in auditory processing and selective attention that may have influenced cognitive development. 相似文献
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Previous studies revealed a pre-functional stage of concept learning, in that the relevant stimulus attribute aquired perceptual distinctiveness at a stage of learning when subjects as yet were unable to sort instances into appropriate categories. This early stage of perceptual learning prior to behavioral manifestation could not be identified under the novel conditions introduced in the present experiment: sensory predifferentiation training and an extra request to verbalize the concept. 相似文献
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Rn Rishovd Rund PL Zeiner Kjetil Sundet Merete &slash;Ie Grete Bryhn 《Scandinavian journal of psychology》1998,39(2):101-107
Vigilance deficits have been found in both schizophrenic and ADHD subjects. The two patient groups have never been directly compared on any vigilance measure, however. In the present study 20 early-onset schizophrenics were compared to 20 ADHD adolescents on a Degraded Stimulus Continuous Performance Test (DS-CPT). A comparison group of 30 normal adolescents was also included. Results showed no significant differences between the three groups on any of the DS-CPT measures. Different hypotheses are put forth to explain the findings, among them that the task may be insensitive to identifying sustained attention deficits in adolescent populations. 相似文献
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Ragnar Rommetveit 《Inquiry (Oslo, Norway)》2013,56(1-2):77-99
A survey of a wide range of social‐scientific disciplines reveals a definite convergence of theoretical interest in human cognition and communication as situated, concerned, and embedded in social commitment. Recent contributions within situation semantics and cognitive science explicitly reject some of the constraints inherent in their shared philosophical heritage and prepare novel ground for dialogues between fields as far apart as formal semantics and ‘dialogical’ text theory. Issues such as purely cognitive versus motivational aspects of human situatedness, and the relationship between models of individual information processing, on the one hand, and hermeneutic‐dialectic assumptions about social and collective features of meaning and mind, on the other, are thus made topics of cross‐disciplinary discussions. These are some of the many problems in need of further clarification if we want to explore the possibility of bridging and/or transcending the gulf between analytic‐rationalist and hermeneutic‐dialectic contributions to our insight into human cognition and communication. 相似文献