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81.
Selective attention in obsessive-compulsive disorder 总被引:12,自引:0,他引:12
Recent information-processing studies have suggested that a selective attention deficit may be involved in the symptomatology of obsessive-compulsive disorder (OCD). In this study, individuals diagnosed with OCD were distinguished from those with panic disorder and from control participants by their relatively poorer performance on a series of psychometric tasks of selective attention. These results are interpreted as supporting the hypothesis of a diminished ability of people with OCD to selectively ignore competing external (sensory) and internal (cognitive) stimuli, especially intrusive thoughts. 相似文献
82.
Over four hundred young people from Britain, Hawaii and Singapore estimated their own, their parents and their siblings IQ score on each of Gardner (1983) fundamental human intelligences: verbal (linguistic), logical (mathematical), spatial, musical, body-kinesthetic, interpersonal and intrapersonal. They also answered six simple questions concerning intelligence tests. There were both cultural and sex differences in the estimation of overall own intelligence score. Males gave higher scores than females (109 vs 107) while the British gave the highest score (109) compared with the Singaporeans (106) and Hawaiians (104). Factor analysis of the seven dimensions yielded either a two or three factor solution, the latter being verbal (verbal, inter-intrapersonal), mathematical (mathematical and spatial), and musical (musical, body-kinesthetic). There were consistent sex differences in the estimations of the three factors for self, but not of parents, and only marginally of sisters. Males more than females, and the British more than the other groups, were more likely to believe in sex and race difference in intelligence. 相似文献
83.
Smallwood J Schooler JW Turk DJ Cunningham SJ Burns P Macrae CN 《Consciousness and cognition》2011,20(4):1120-1126
Current accounts suggest that self-referential thought serves a pivotal function in the human ability to simulate the future during mind-wandering. Using experience sampling, this hypothesis was tested in two studies that explored the extent to which self-reflection impacts both retrospection and prospection during mind-wandering. Study 1 demonstrated that a brief period of self-reflection yielded a prospective bias during mind-wandering such that participants’ engaged more frequently in spontaneous future than past thought. In Study 2, individual differences in the strength of self-referential thought — as indexed by the memorial advantage for self rather than other-encoded items — was shown to vary with future thinking during mind-wandering. Together these results confirm that self-reflection is a core component of future thinking during mind-wandering and provide novel evidence that a key function of the autobiographical memory system may be to mentally simulate events in the future. 相似文献
84.
Denis Edwards 《Theology & Science》2013,11(2):245-247
AbstractThe article examines the notion of self-organization and explores the reality of biological processes from an epistemological point of view. First, I briefly analyze what is currently regarded as one of the most important discoveries not only in physics, but also in biology—namely, complex systems and deterministic chaos; secondly, I offer some reflections on the new frontiers of contemporary biology— namely, functional genomics and systems biology. The central part of the article focuses on the epistemological transition from genetic determinism to the new conception of “meaning” as emergence. 相似文献
85.
Guided by a heuristic account of social-cognitive functioning, researchers have attempted to identify the cognitive benefits that derive from a categorical approach to person construal. While revealing, this work has overlooked the fact that, prior to the application of categorical thinking as an economizing mental tool, perceivers must first extract category-triggering information from available stimulus cues. It is possible, therefore, that basic perceptual processes may also contribute to people's propensity to view others in a category-based manner. This possibility was explored in 3 experiments in which the authors investigated the ease with which perceivers can extract categorical and identity-based knowledge from faces under both optimal and suboptimal (i.e., inverted faces, blurred faces, rapidly presented faces) processing conditions. The results confirmed that categorical knowledge is extracted from faces more efficiently than identity-related knowledge, a finding that underscores the importance of perceptual operations in the generation of categorical thinking. 相似文献
86.
B S Edwards 《The Journal of clinical ethics》1990,1(1):74-9; discussion 79-84
87.
Recently it has been claimed by Livingstone and Hubel that, of three anatomically and functionally distinct visual channels (the magnocellular, parvocellular interblob, and blob channels), only the magnocellular channel is involved in the processing of stereoscopic depth. Since the magnocellular system shows little overt colour opponency, the reported loss of the ability to resolve random-dot stereograms defined only by colour contrast seems consistent with this view. However, Julesz observed that reversed-contrast stereograms could be fused if correlated colour information was added. In the present study, 'noise' (non-corresponding) pixels were injected into random-dot stereograms in order to increase fusion time. All six subjects tested were able to achieve stereopsis in less than three minutes when there was only correspondence in colour and not in luminance, and three when luminance contrast was completely reversed. This ability depends on information about the direction of colour contrast, not just the presence of chromatic borders. When luminance and chromatic contrast are defined in terms of signal-to-noise ratios at the photoreceptor mosaic, chromatic information plays at least as important a role in stereopsis as does luminance information, suggesting that the magnocellular channel is not uniquely involved. 相似文献
88.
89.
Recognition memory judgments have long been assumed to depend on the contributions of two underlying processes: recollection
and familiarity. We measured recollection with receiver-operating characteristic (ROC) data and remember-know judgments. Under
standard remember-know instructions, the two estimates of recollection diverged. When subjects were told they might need to
justify theirremember responses to the experimenter, the two estimates were more likely to agree. The data support the conclusion thatremember responses are generally based on a continuous underlying process but that specific task instructions can produce data that
appear consistent with a high-threshold recollective process. Models based on signal detection theory provide a better account
of these data than does the dual-process model (Yonelinas, 1994) or process-pure interpretations. 相似文献
90.
Neil Dagnall Andrew Denovan Kenneth Drinkwater Andrew Parker Peter Clough 《Applied cognitive psychology》2017,31(4):368-378
Previous research proposes that endorsement of anomalous beliefs is associated with proneness to conjunction error. This supposition ignores important differences between belief types. Correspondingly, the present study examined the degree to which components of statistical bias predicted conspiratorial ideation and belief in the paranormal. Confirmatory factor analysis and structural equation modelling revealed that conjunction error was associated with conspiratorial ideation, whilst perception of randomness most strongly predicted belief in the paranormal. These findings opposed the notion that anomalous beliefs, by virtue of possession of common characteristics, relate similarly to conjunction error. With regard to conspiracy, conjunction‐framing manipulations produced only minor variations in relationship strength. This supported the notion that conspiratorial ideation was associated with a domain‐general susceptibility to conjunction error. Framing, however, did influence the relationship between belief in the paranormal and conjunction; whilst paranormal conjunctions were generally easier to solve, performance declined as level of paranormal belief increased.Copyright © 2017 John Wiley & Sons, Ltd. 相似文献