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571.
Change blindness is the relative inability of normally sighted observers to detect large changes in scenes when the low-level signals associated with those changes are either masked or of extremely low magnitude. Change detection can be inhibited by saccadic eye movements, artificial saccades or blinks, and 'mud splashes'. We now show that change detection is also inhibited by whole image motion in the form of sinusoidal oscillations. The degree of disruption depends upon the frequency of oscillation, which at 3 Hz is equivalent to that produced by artificial blinks. Image motion causes the retinal image to be blurred and this is known to affect object recognition. However, our results are inconsistent with good change detection followed by a delay due to poor recognition of the changing object. Oscillatory motion can induce eye movements that potentially mask or inhibit the low-level signals related to changes in the scene, but we show that eye movements promote rather than inhibit change detection when the image is moving. 相似文献
572.
Borderline personality disorder (BPD) is a severe and generally chronic disorder that presents patients and their family members with multiple challenges. Little is currently known about how much family members of patients with BPD know about this disorder. Thirty-two family members of BPD patients were assessed for their level of knowledge about BPD. Knowledge level was then correlated with family members' burden, depression, distress, and expressed emotion. Contrary to expectation, greater knowledge about BPD was associated with higher levels of family members' burden, distress, depression, and greater hostility toward patients. These findings raise concerns about (a) the value of information family members receive about BPD and (b) the importance of the source and accuracy of the information they receive. Further research is warranted and may provide additional information to this understudied area. 相似文献
573.
574.
Executive and visuospatial sketchpad resources in euthymic bipolar disorder: Implications for visuospatial working memory architecture 总被引:2,自引:0,他引:2
Thompson JM Hamilton CJ Gray JM Quinn JG Mackin P Young AH Ferrier IN 《Memory (Hove, England)》2006,14(4):437-451
Visuospatial working memory theory is used to interpret the cognitive impairment in euthymic bipolar disorder. Such patients show deficits in the Corsi Blocks Test (CBT) and executive control. To understand these deficits, 20 euthymic bipolar patients and controls were administered the CBT, Visual Patterns Test (VPT), and a new visual memory task designed to make minimal demands on executive resources. Initial analyses validated the visual memory task and implicated executive involvement in the CBT and VPT. Subsequent analyses on a number of tests confirmed CBT and executive deficits while performance was normal on the VPT and visual memory test. ANCOVA indicated that impaired executive function underpinned patients' CBT performance. Implications for the interface between executive and slave systems of working memory are discussed. 相似文献
575.
Snyder CR Berg C Woodward JT Gum A Rand KL Wrobleski KK Brown J Hackman A 《Journal of personality》2005,73(2):287-312
Hope theory (see Snyder, 1994) is presented as a useful framework for understanding reactions to pain. In Study 1, persons scoring higher on the trait Hope Scale (Snyder, Harris et al., 1991) kept their hands in the freezing water (of a cold pressor task) for significantly longer. In Study 2, the higher-hope males, and not females, as measured by both trait and state hope (Snyder, Sympson et al., 1996), recognized the onset of the pain threshold significantly later. Moreover, in Study 2, results showed that individual differences measures of optimism, self-efficacy, depression, and positive and negative affects did not relate to the pain onset and tolerance variables. The implications of hope as related to the pain process and related research are discussed. 相似文献
576.
Although there is an emerging consensus that social desirability does not meaningfully affect criterion-related validity, several researchers have reaffirmed the argument that social desirability degrades the construct validity of personality measures. Yet, most research demonstrating the adverse consequences of faking for construct validity uses a fake-good instruction set. The consequence of such a manipulation is to exacerbate the effects of response distortion beyond what would be expected under realistic circumstances (e.g., an applicant setting). The research reported in this article was designed to assess these issues by using real-world contexts not influenced by artificial instructions. Results suggest that response distortion has little impact on the construct validity of personality measures used in selection contexts. 相似文献
577.
Two studies assessed the relation between gender role and executive function. In Study One (N = 234) analyses indicated that among college students executive function, assessed by the Coolidge and Griego scale, is related to masculine gender-role classification, measured by the Bem Sex-role Inventory. This relationship remained significant when biological sex was controlled. Further, factor analysis of the Bem Sex-role Inventory identified six components, three related to executive function. Two of these scales were associated with masculine characteristics, and the third was associated with the denial of several feminine items. Study Two (N = 53) further assessed the relationship among undergraduates through additional measures of executive functions and mood, in addition to the Bem Sex-role Inventory. In this study, executive functioning, as measured by the Coolidge and Griego scale, was again generally related to masculinity. Psychological well-being was not related to gender identity or executive functioning. 相似文献
578.
579.
Timing is essential to human behaviour, but the neural mechanisms underlying time perception are still unclear. New findings from a brain-imaging study by Coull et al. show that activity in a network of motor-related areas varies parametrically with attention to time. Given that a system in which timing is important (but not the primary function) is recruited when temporal judgements are required, we should perhaps reassess the notion of a dedicated timing system in the brain. 相似文献
580.
Patricia Keoughan Harvey Joanning Jill Sudak-Allison 《The American journal of family therapy》2013,41(2):155-163
Recent federal legislation encourages states to increase noncustodial parents' access and visitation with their children following separation or divorce. The State of Iowa Department of Human Services Bureau of Collections commissioned a pilot study to provide a beginning picture of how parents and professionals experience the child access and visitation process. Two midsized urban centers and a rural community were studied. A total of 14 divorced parents and 16 professionals who work with divorced individuals were interviewed using a 2-hour focus group format. Study findings identified problematic themes regarding child access and visitation, potential solutions, and suggested services to address these problems. The services suggested by the study all fall within the professional expertise of marriage and family therapists. A primary finding of the study was the need for therapy and mediation focused on relational issues. 相似文献