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21.
Visual speech processing: Word-decoding and word-discrimination related to sentence-based speechreading and hearing-impairment 总被引:3,自引:3,他引:0
Two aspects of visual speech processing in speechreading (word decoding and word discrimination) were tested in a group of 24 normal hearing and a group of 20 hearing-impaired subjects. Word decoding and word discrimination performance were independent of factors related to the impairment, both in a quantitative and a qualitative sense. Decoding skill, but not discrimination skill, was associated with sentence-based speechreading. The results were interpreted such that, in order to represent a critical component process in sentence-based speechreading, the visual speech perception task must entail lexically induced processing as a task-demand. The theoretical status of the word decoding task as one operationalization of a speech decoding module was discussed (Fodor, 1983). An error analysis of performance in the word decoding/discrimination tasks suggested that the perception of heard stimuli, as well as the perception of lipped stimuli, were critically dependent on the same features; that is, the temporally initial phonetic segment of the word (cf. Marslen-Wilson, 1987). Implications for a theory of visual speech perception were discussed. 相似文献
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The aim of this study was to determine whether fear of pain and related fear constructs are elevated in people with co-occurring trauma-related stress and social anxiety symptoms relative to people with 1 or neither of these conditions. Eighty students were selected from a larger sample and divided into 4 equal groups comprising those with both high trauma-related stress and social anxiety symptom scores (TRS/SAS), only high trauma-related stress symptom scores (TRS), only high social anxiety symptom scores (SAS), or neither (N). Results indicated that the TRS/SAS group had significantly higher scores on all fear of pain measures, anxiety sensitivity, and illness/injury sensitivity than any other group, even when level of current pain was included as a covariate. These findings suggest that people with co-occurring trauma-related and social anxiety symptoms are most likely to be fearful of pain and to thereby be at increased risk of developing chronic and disabling pain. Implications for future research and treatment are discussed. 相似文献
24.
TORBJÖRN TÄNNSJÖ 《Journal of Happiness Studies》2007,8(1):79-98
Narrow hedonism is defined and defended, as a view according to which pleasurable states are individuated as concrete and
total experiential situations of a sentient being at a time. Typical of such situations is that, when we are in them, we are
at a certain hedonic level. They feel in a certain way for the creature in them. On this understanding of narrow hedonism,
which is the only one making good sense of the theory and which was probably also intended by classical hedonists such as
Bentham and Edgeworth, standard objections to hedonism, based on the claim that different pleasures have nothing in common,
can be set to one side as misplaced and irrelevant. It is also hard to see how this kind of hedonism can be refined, or revised,
in the direction indicated by J.S. Mill, when he wants to distinguish “higher” pleasures from “lower” ones. On this understanding
of hedonism, we must claim that, those who want to follow Mill will have to rely on non-hedonistic intuitions and thus desert
the hedonist camp altogether. 相似文献
25.
The relationship of fear of falling and balance confidence with balance and dual tasking performance
Hadjistavropoulos T Carleton RN Delbaere K Barden J Zwakhalen S Fitzgerald B Ghandehari OO Hadjistavropoulos H 《Psychology and aging》2012,27(1):1-13
According to traditional conceptualizations of the relationship between fear of falling and falls in older adults, fear of falling is considered to be predictive of falls because it leads to activity avoidance which, in turn, leads to de-conditioning that increases fall risk. The recent literature has begun to challenge such conceptualizations. Specifically, it has been argued that fear of falling and anxiety, in and of themselves, have a direct negative effect on balance. In this study we manipulated anxiety level by asking older research participants to walk either on the floor (low anxiety condition) or an elevated platform (high anxiety condition). Half the time participants carried a tray (dual tasking) and half the time they did not. Manipulation checks (involving heart rate, galvanic skin response, and self-reported anxiety measurement) confirmed that the experimental manipulation was successful in affecting anxiety level. The results demonstrate that the experimental manipulation (platform vs. floor) affected balance parameters and dual tasking performance with the platform condition resulting in a less stable gait. In addition, increased task demand (i.e., dual tasking) also had a negative effect on balance performance. Finally, the results demonstrate that the paper and pencil measures of fear can also predict balance performance (although the variance accounted for is small) even after controlling for medical risk factors for falling. Implications for models of fear of falling are discussed. 相似文献
26.
Carleton B. Christensen 《International Journal of Philosophical Studies》2013,21(2):123-150
Many still seem confident that the kind of semantic theory Putnam once proposed for natural kind terms is right. This paper seeks to show that this confidence is misplaced because the general idea underlying the theory is incoherent. Consequently, the theory must be rejected prior to any consideration of its epistemological, ontological or metaphysical acceptability. Part I sets the stage by showing that falsehoods, indeed absurdities, follow from the theory when one deliberately suspends certain devices Putnam built into it , presumably in order to block such entailments. Part II then raises the decisive issue of at what cost these devices do the job they need to do. It argues that - apart from possessing no other motivation than their capacity to block the consequences derived in Part I - they only fulfil this blocking function if they render the theory unable to deal with fiction and related 'make-believe' activities. Part III indicates the affinity Putnam's account has with the classically 'denotative' view of meaning, and thus how its weaknesses may be seen as a variant of the classical weakness of 'denotative' approaches. It concludes that the theory is a conceptual muddle. 相似文献
27.
Carleton B. Christensen 《Inquiry (Oslo, Norway)》2013,56(3):262-288
Current interpretations of Heidegger's notion of das Man are caught in a dilemma: either they cannot accommodate the ontological status Heidegger accords it or they cannot explain his negative evaluation of it, in which it is treated as ontic. This paper uses Simmel's agonistic account of human sociality to integrate the ontological and the ontic, indeed perjorative aspects of Heidegger's account. Section I introduces the general problem, breaks the exclusive link of Heidegger's account to Kierkegaard and delineates the general form of a solution. Section II then sketches Simmel's conception of sociology and sociality. Section III determines what Heidegger is trying to do in Chapter Four of Division I in Being and Time in order to formulate a strictly ontological account of das Man. Section IV uses Simmel's account of sociality to build into this ontological account an inherent tendency to display the negative features Heidegger ascribes to das Man. In conclusion, section V points to how the proposed account of das Man intimates the character of fundamental ontology as nascently a form of critical theory. It also explains the extent to which Heidegger's perjorative characterisations of das Man and the Man-selbst are legitimate. 相似文献
28.
JOHANNES LANGEVELD OLE A. ANDREASSEN BJØRN AUESTAD ANN FÆRDEN LARS JOHAN HAUGE INGE JOA JAN OLAV JOHANNESSEN INGRID MELLE BJORN RISHOVD RUND JAN IVAR RØSSBERG ERIK SIMONSEN PER VAGLUM TOR KETIL LARSEN 《Scandinavian journal of psychology》2013,54(2):160-165
The Positive and Negative Syndrome Scale (PANSS) is the most widely used scale to assess a variety of symptoms in patients with schizophrenia and other psychoses. The factor structure of the PANSS has been examined with confirmatory factor analyses in several studies, but not in a well‐defined first‐episode psychosis sample. The aim of this paper is to examine the statistical fit of five different PANSS models in a first‐episode, non‐affective psychosis sample. Confirmatory factor analyses were performed on PANSS data (n = 588). A main criterion for best fit was defined as the Expected Cross Validation Index (ECVI). No tested model revealed an optimally satisfactory model fit index. The Wallwork/Fortgang five‐factor model demonstrated the most optimal psychometric properties. The corresponding subscales of all evaluated five‐factor models were strongly intercorrelated. The Wallwork/Fortgang five‐factor model was found to be statistically and clinically ideal among patients with first‐episode psychosis. Therefore, we recommend this model in forthcoming studies among patients with first‐episode psychosis. However, to prevent the loss of clinically valuable information on an item level, we do not recommend removing any items from the original form. Our study also implies that the specific choice of model will not have a substantial effect on outcome results in studies on the course and outcome in first‐episode psychosis. 相似文献
29.
R. Nicholas Carleton Michelle J. N. Teale Sapach Chris Oriet Daniel M. LeBouthillier 《Cognitive behaviour therapy》2017,46(1):44-59
Social anxiety disorder (SAD) models posit vigilance for external social threat cues and exacerbated self-focused attention as key in disorder development and maintenance. Evidence indicates a modified dot-probe protocol may reduce symptoms of SAD; however, the efficacy when compared to a standard protocol and long-term maintenance of treatment gains remains unclear. Furthermore, the efficacy of such protocols on SAD-related constructs remains relatively unknown. The current investigation clarified these associations using a randomized control trial replicating and extending previous research. Participants with SAD (n = 113; 71% women) were randomized to complete a standard (i.e. control) or modified (i.e. active) dot-probe protocol consisting of 15-min sessions twice weekly for four weeks. Self-reported symptoms were measured at baseline, post-treatment, and 4-month and 8-month follow-ups. Hierarchical linear modeling indicated significant self-reported reductions in symptoms of social anxiety, fear of negative evaluation, trait anxiety, and depression, but no such reductions in fear of positive evaluation. Symptom changes did not differ based on condition and were maintained at 8-month follow-up. Attentional biases during the dot-probe task were not related to symptom change. Overall, our results replicate support for the efficacy of both protocols in reducing symptoms of SAD and specific related constructs, and suggest a role of exposure, expectancy, or practice effects, rather than attention modification, in effecting such reductions. The current results also support distinct relationships between fears of negative and positive evaluation and social anxiety. Further research focused on identifying the mechanisms of change in attention modification protocols appears warranted. 相似文献
30.