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171.
Dr Karl Schweizer 《The British journal of mathematical and statistical psychology》2009,62(2):217-232
Fixed‐links models enable the investigation of experimental effects in combination with processing strategies in the framework of repeated measures designs. The consideration of different processing strategies is reasonable whenever the task requirements can be met in different ways. Effects due to specific processing strategies become obvious in comparing the models representing these processing strategies and also by investigating the variances of the corresponding latent variables. The usefulness of such models is demonstrated by the reaction time data of a cognitive task including three treatment levels. Two different processing strategies were considered: analytic and holistic. The results indicated that the participants applied both processing strategies. The analytic strategy was primarily applied for performing with respect to the second and third treatment levels and the holistic strategy with respect to the first treatment level. 相似文献
172.
Paula I. Martin Margaret A. Naeser Michael Ho Karl W. Doron Jacquie Kurland Jerome Kaplan Yunyan Wang Marjorie Nicholas Errol H. Baker Felipe Fregni Alvaro Pascual-Leone 《Brain and language》2009,111(1):20-35
Two chronic, nonfluent aphasia patients participated in overt naming fMRI scans, pre- and post-a series of repetitive transcranial magnetic stimulation (rTMS) treatments as part of a TMS study to improve naming. Each patient received 10, 1-Hz rTMS treatments to suppress a part of R pars triangularis. P1 was a ‘good responder’ with improved naming and phrase length; P2 was a ‘poor responder’ without improved naming.Pre-TMS (10 years poststroke), P1 had significant activation in R and L sensorimotor cortex, R IFG, and in both L and R SMA during overt naming fMRI (28% pictures named). At 3 mo. post-TMS (42% named), P1 showed continued activation in R and L sensorimotor cortex, R IFG, and in R and L SMA. At 16 mo. post-TMS (58% named), he also showed significant activation in R and L sensorimotor cortex mouth and R IFG. He now showed a significant increase in activation in the L SMA compared to pre-TMS and at 3 mo. post-TMS (p < .02; p < .05, respectively). At 16 mo. there was also greater activation in L than R SMA (p < .08). At 46 mo. post-TMS (42% named), this new LH pattern of activation continued. He improved on the Boston Naming Test from 11 pictures named pre-TMS, to scores ranging from 14 to 18 pictures, post-TMS (2–43 mo. post-TMS). His longest phrase length (Cookie Theft picture) improved from three words pre-TMS, to 5–6 words post-TMS.Pre-TMS (1.5 years poststroke), P2 had significant activation in R IFG (3% pictures named). At 3 and 6 mo. post-TMS, there was no longer significant activation in R IFG, but significant activation was present in R sensorimotor cortex. On all three fMRI scans, P2 had significant activation in both the L and R SMA. There was no new, lasting perilesional LH activation across sessions for this patient. Over time, there was little or no change in his activation. His naming remained only at 1–2 pictures during all three fMRI scans. His BNT score and longest phrase length remained at one word, post-TMS.Lesion site may play a role in each patient’s fMRI activation pattern and response to TMS treatment. P2, the poor responder, had an atypical frontal lesion in the L motor and premotor cortex that extended high, near brain vertex, with deep white matter lesion near L SMA. P2 also had frontal lesion in the posterior middle frontal gyrus, an area important for naming (Duffau et al., 2003); P1 did not. Additionally, P2 had lesion inferior and posterior to Wernicke’s area, in parts of BA 21 and 37, whereas P1 did not.The fMRI data of our patient who had good response following TMS support the notion that restoration of the LH language network is linked in part, to better recovery of naming and phrase length in nonfluent aphasia. 相似文献
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175.
In previous work (Cesari & Newell, 2002), we used a graphical dimensional analysis to show that grip transitions obey the body-scaled relation K = lnL(o) + InM(o)h/(a + bM(h) + cL(h)), where L. and Mo are the object's length and mass, and Lh and Mh the length and mass of the grasper's hand. However, the generality of the equation was limited by the ad hoc graphical method that defined the lines for grip separation and by the assumption that these lines be negatively sloped and parallel to one another. This article reports an independent test of this relation by the geometrical and statistical categorization of body-scaled invariants for the transition of human grip configurations through support vector machines (SVMs). The SVM analysis confirmed the fit of linear, negatively sloped, and approximately parallel transition boundaries in the scaling of human grip configuration within a single hand. The SVM analysis has provided a theoretical refinement to the scaling model of human grip configurations. 相似文献
176.
Alexandra Reis Karl Magnus Petersson Alexandre Castro-Caldas Martin Ingvar 《Brain and cognition》2001,47(3):397-411
The modulatory influence of literacy on the cognitive system of the human brain has been indicated in behavioral, neuroanatomic, and functional neuroimaging studies. In this study we explored the functional consequences of formal education and the acquisition of an alphabetic written language on two- and three-dimensional visual naming. The results show that illiterate subjects perform significantly worse on immediate naming of two-dimensional representations of common everyday objects compared to literate subjects, both in terms of accuracy and reaction times. In contrast, there was no significant difference when the subjects named the corresponding real objects. The results suggest that formal education and learning to read and to write modulate the cognitive process involved in processing two- but not three-dimensional representations of common everyday objects. Both the results of the reaction time and the error pattern analyses can be interpreted as indicating that the major influence of literacy affects the visual system or the interaction between the visual and the language systems. We suggest that the visual system in a wide sense and/or the interface between the visual and the language system are differently formatted in literate and illiterate subjects. In other words, we hypothesize that the pattern of interactions in the functional-anatomical networks subserving visual naming, that is, the interactions within and between the visual and language processing networks, differ in literate and illiterate subjects. 相似文献
177.
Guided by the idea that alexithymia and other psychopathological phenomena are connected with decreased sensitivity to internal emotional states, Lane and Schwartz (1987) presented a cognitive-developmental theory describing different “Levels of Emotional Awareness”. In 1990, Lane et al. developed a performance measure to identify different states of sensivity to internal emotional states, the “Levels of Emotional Awareness Scale” (LEAS). Subjects are asked to describe anticipated own feelings and those of another person in 20 scenes in a short written answer. We present the results of a study using the German version of the LEAS, the 20-item-version of the Toronto Alexithymia-Scale (TAS 20) and the state-version of the State-Anxiety-Inventory (STAI) on 338 Students of medicine of the Cologne university. The study is discussed with regard to a similar study conducted in the USA (Lane et al. 1996). Theoretical background and psychometric charateristics of the LEAS are related to actual trends in research on alexithymia. 相似文献
178.
Nils Inge Landrø Emily Pape–Ellefsen Karl Otto Hagland & Torleiv Odland 《Scandinavian journal of psychology》2001,42(5):459-465
The aim of the present study was to examine different dimensions of memory functioning in young schizophrenics with normal general intellectual abilities. Thirty-three patients with schizophrenia and 33 healthy controls were included in the study. The results suggest that immediate short-term memory is intact, though there emerged a working memory deficit in the schizophrenia group. Deficient encoding of verbal material was observed in some, but not in other, testing conditions. There also seemed to be a retrieval deficit for verbal material in schizophrenia, though no storage deficit was indicated. Impaired memory for non-verbal material was also revealed. These results occurred in a context of intact executive functioning as measured by the Wisconsin Card Sorting Test. The results indicate that temporal and frontal structures, as well as their interconnections, may be compromised in schizophrenia. 相似文献
179.
An Integrative Model for Ethnocultural Counseling and Psychotherapy of Victims of Organized Violence
Karl Peltzer 《Journal of Psychotherapy Integration》2001,11(2):241-262
The author researched sociocultural factors related to psychotherapy with victims of organized violence from different perspectives: a refugee counseling center in a metropolis (Frankfurt, 1991–95) and refugee camps in neighboring countries (Uganda, 1994–96). At first the psychopathology of victims of organized violence is described. Then a review of treatment approaches follows and a conceptual model for integrative psychotherapy is developed. On the basis of qualitative analysis of client–therapist interactions, case discussions, supervision, evaluation of treatment, and literature review, an eclectic model for ethnocultural counseling and psychotherapy was developed. This eclectic model can be divided into (1) therapeutic relationship and transference, (2) modeling techniques, (3) extrapsychic techniques, (4) somatic techniques,(5) working through traumatic/grief/repressive experiences, and (6) reeducative and supportive techniques. 相似文献
180.
Karl Schmitz-Moormann 《Zygon》1986,21(2):249-257
Abstract. Recent progress in neurophysiology research has created a certain uneasiness in the modes of explanation. Starting with body experiences this research has progressed to borderline experiences and confronts us anew with the age-old mind-body problem. At this point science is especially exposed to the dangers of reductionism as they have been spelled out by Carl Jung. Evolution, understood not as the deployment of pre-existing properties of matter but as the continued emergence of new realities which integrate and transform the pre-existing realities, may lead to a more profound understanding of humanity, which came into being through the emergence of mind. Archetypes and the human religious dimension or the capability to experience God may be the most significant mark of this emergence. 相似文献