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301.
Solomonova E Nielsen T Stenstrom P Simard V Frantova E Donderi D 《Consciousness and cognition》2008,17(1):49-63
Isolated sleep paralysis (ISP) is a common parasomnia characterized by an inability to move or speak and often accompanied by hallucinations of a sensed presence nearby. Recent research has linked ISP, and sensed presence more particularly, with social anxiety and other psychopathologies. The present study used a large sample of respondents to an internet questionnaire (N=193) to test whether these associations are due to a general personality factor, affect distress, which is implicated in nightmare suffering and hypothesized to involve dysfunctional social imagery processes. A new measure, ISP distress, was examined in relation to features of ISP experiences, to self-reported psychopathological diagnosis, to scores on the Leibowitz Social Anxiety Scale and to scores on a new questionnaire subscale assessing social imagery in a variety of waking states. Three main results were found: (1) ISP experiences are only weakly associated with a prior diagnosis of mental disorder, (2) sensed presence during ISP is associated preferentially with ISP distress, and (3) ISP distress is associated with dysfunctional social imagery. A general predisposition to affective distress may influence the distress associated with ISP experiences; overly passive social imagery may, in turn, be implicated in this affect distress influence. 相似文献
302.
Bergouignan L Lemogne C Foucher A Longin E Vistoli D Allilaire JF Fossati P 《Behaviour research and therapy》2008,46(3):322-333
Research on autobiographical memory (AM) and the ability to retrieve specific autobiographical events in euthymic depressed patients yielded divergent results. The main goal of the present study was to further explore episodic specificity of AM among fully remitted depressed patients. Twenty euthymic depressed patients and 20 matched healthy controls were given a semi-structured interview, which assesses episodic specificity of positive and negative autobiographical memories regarding event and details' specificity, autonoetic consciousness (remember/know procedure) and visual perspective (field/observer procedure). Results showed an impairment of episodic specificity of AM in euthymic depressed patients. This impairment was explained by a field perspective deficit for positive memories only. These results suggest that euthymic patients continue to exhibit discrepancy between their current self and their self for positive past behaviors, which maintains an unfavorable view of their current self. Specific cognitive interventions may improve the self-relevance of their positive memories. 相似文献
303.
Peter Marien Philippe Paquier Sebastiaan Engelborghs Peter P. De Deyn 《Brain and language》2001,79(3):426-443
In contrast to the estimated low incidence of crossed aphasia in dextral adults (among 1%), crossed aphasia in children has been considered a common finding for almost a century. However, reviewing the literature on crossed aphasia in dextrals (CAD) and its related topics from 1975 onward, we encountered only 5 children in a corpus of 180 cases (2.7%). Critical analysis rendered three of the reported cases ambiguous and hence not suitable to draw potentially relevant conclusions. In this review, the neurobehavioral manifestations of the two representative childhood CAD cases are analyzed and compared with adult CAD and acquired childhood aphasia (ACA). In the light of our findings, which support the position of innate cerebral specialization for language, the long-standing controversy as to whether lateralized hemispheric specialization for language is innate or develops progressively during maturation is briefly discussed. 相似文献
304.
A test is made to determine whether South African Black–White differences on various tests of cognitive performance are like the Black–White differences in the United States in being positively associated with a test's g loadings, where g is the general factor of intelligence. Data are analyzed from Skuy, Schutte, Fridjhon and O'Carroll [Skuy, M., Schutte, E., Fridjhon, P., & O'Carroll, S. (2001). Suitability of published neuropsychological test norms for urban African secondary school strudents in South Africa. Personality and Individual Differences, 30, 1413–1425) of 154 13- to 15-year-old secondary school students in Soweto, Johannesburg, on the Wechsler Intelligence Scale for Children–Revised (WISC-R). The more highly correlated a sub-test was with g, the more it predicted the African–White difference (r =0.77, p=0.05). The effect remained even when the Vocabulary sub-test was excluded or when g was extracted from the Black rather than from the White standardization sample (r=0.60, P<0.05), as it did as well if Spearman's rho was used instead of Pearson's r (g from Whites=0.74, g from Blacks=0.74, P< 0.005). Understanding observed Black–White differences around the world requires new research on the nature and nurture of g. 相似文献
305.
The role of spatial scales (or spatial frequencies) in the processing of faces, objects, and scenes has recently seen a surge
of research activity. In this review, we will critically examine two main theories of scale usage. The fixed theory proposes
that spatial scales are used in a fixed, perceptually determined order (coarse to fine). The flexible theory suggests instead
that usage of spatial scales is flexible, depending on the requirements of visual information for the categorization task
at hand. The implications of the theories are examined for face, object, and scene categorization, attention, perception,
and representation. 相似文献
306.
The relations between rationality and optimizationhave been widely discussed in the wake of HerbertSimon's work, with the common conclusion that therationality concept does not imply the optimizationprinciple. The paper is partly concerned with addingevidence for this view, but its main, more challengingobjective is to question the converse implication fromoptimization to rationality, which is accepted even bybounded rationality theorists. We discuss three topicsin succession: (1) rationally defensible cyclicalchoices, (2) the revealed preference theory ofoptimization, and (3) the infinite regress ofoptimization. We conclude that (1) and (2) provideevidence only for the weak thesis that rationalitydoes not imply optimization. But (3) is seen todeliver a significant argument for the strong thesisthat optimization does not imply rationality. 相似文献
307.
Rmi Radel Philippe Sarrazin Pascal Legrain Lucie Gobanc 《Journal of research in personality》2009,43(4):695-698
Recent literature indicates that a motivational orientation can be unconsciously primed. This study examined whether motivational priming influences students’ academic performance within an educational setting and whether this effect is moderated by students’ degree of mindfulness. Two randomly assigned groups of students received an identical lesson. However, the teacher’s slideshow contained different subliminal words according to the condition (autonomous vs. controlled motivation). Results demonstrated an interaction between students’ dispositional mindfulness and priming conditions. The more mindful students were immune to the manipulation whereas the less mindful students were affected by the priming: those primed with autonomous motivation obtained better results than those primed with controlled motivation. These findings contribute to priming research specifying individual differences of priming responsiveness. 相似文献
308.
Lemogne C Bergouignan L Piolino P Jouvent R Allilaire JF Fossati P 《Memory (Hove, England)》2009,17(1):1-7
Autobiographical memory (AM) specificity is impaired in depression and post-traumatic stress disorder. Previous studies emphasised the role of cognitive avoidance of intrusive memories in this impairment. This study aimed to examine the association of cognitive avoidance of intrusive memories with specificity, autonoetic consciousness, and self-perspective. A total of 38 healthy participants were given the revised Impact of Event Scale (IES-R) and an AM task designed to assess positive and negative memories regarding specificity, autonoetic consciousness (remember/know procedure), and self-perspective (field/observer procedure). Taking into account age, verbal IQ, mood, harm avoidance, and executive resources, the IES-R avoidance subscale was negatively correlated with specificity and remember responses for positive memories, and with remember and field responses for negative memories. These findings suggest that cognitive avoidance of intrusive memories is associated with a decrease of the episodic components of AM retrieval. 相似文献
309.
A recent meta-analysis by Munafò, Durrant, Lewis, and Flint (2009) [Munafò, M. R., Durrant, C., Lewis, G., & Flint, J. (2009). Gene × environment interactions at the serotonin transporter locus. Biological Psychiatry, 65, 211–219] questioned the meaning of studies searching for endophenotypes associated with the serotonin-transporter-linked promoter region (5-HTTLPR) polymorphism, including our study on visual perspective during autobiographical memory retrieval. However, the association of 3rd person perspective with vulnerability for depression does not rely only on genetics. External consistency is provided by the influence of the 5-HTTLPR polymorphism on brain regions involved in emotion regulation and autobiographical memory retrieval (e.g. the medial prefrontal cortex). Internal consistency is provided by the increased prevalence of 3rd person perspective in both currently and previously depressed patients, as well as in depression-prone individuals. Further studies should examine therapeutic opportunities. 相似文献
310.
Visual laterality responses to different emotive stimuli by red-capped mangabeys, Cercocebus torquatus torquatus 总被引:1,自引:1,他引:0
Hemispheric asymmetry in emotional perception has been put forward by different theories as the right hemisphere theory or
the valence theory. But no consensus was found about the role played by both hemispheres. So, in order to test the different
theories, we investigated preferential use of one eye in red-capped mangabeys, at the individual as well as at the group level.
In this study we investigated the influence of the emotional value of stimuli on the direction and strength of visual preference
of 14 red-capped mangabeys. Temporal stability of the bias of use of a given eye was evaluated by comparing our current results
to those obtained 2.5 months previously. Two experimental devices, a tube and a box, tested five different stimuli: four food
types varying in palatability and a neutral stimulus. The subjects’ food preferences were evaluated before testing the laterality.
The mangabeys used their left eyes predominantly at the group level for the tube task. The majority of the subjects showed
a visual preference at the individual level for the box task, but this bias was not present at the group level. As the palatability
of the stimuli increased, the number of lateralized subjects and the number of subjects using preferentially their left eye
increased. Similarly, the strength of laterality was related to food preference. Strength of laterality was significantly
higher for subjects using their left eye than for subjects using their right eye. Preferential use of a given eye was stable
over short periods 2.5 months later. Our data agree with reports on visual laterality for other species. Our results support
the valence theory of a hemispheric sharing of control of emotions in relation to their emotional value. 相似文献