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201.
Specht K Hugdahl K Ofte S Nygård M Bjørnerud A Plante E Helland T 《Scandinavian journal of psychology》2009,50(1):79-91
In this fMRI-study, 6-year-old children considered at risk for dyslexia were compared with an age-/gender-matched control group for differences in brain activation when presented with visual stimuli differing in demands for literacy processing. Stimuli were nameable pictures, brand logos familiar to children, and written words - these were either regularly spelled using early-acquired rules ("alphabetic") or more complex ("orthographic"). Brain responses distinguished between the presentation conditions, as a function of group, within many cortical areas. Activation in the alphabetic and orthographic conditions in the left angular gyrus correlated with individual at-risk index scores, and activation in inferior occipito-temporal regions further indicated differential activation for the two groups related to orthographic processing, especially. Since similar patterns are reported in adult dyslexics when processing written words, it appears that sensitivity to the cortical differentiation of reading networks is established prior to formal literacy training. 相似文献
202.
Sonja Engmann Bernard M. ’t Hart Thomas Sieren Selim Onat Peter König Wolfgang Einhäuser 《Attention, perception & psychophysics》2009,71(6):1337-1352
In natural vision, shifts in spatial attention are associated with shifts of gaze. Computational models of such overt attention typically use the concept of a saliency map: Normalized maps of center-surround differences are computed for individual stimulus features and added linearly to obtain the saliency map. Although the predictions of such models correlate with fixated locations better than chance, their mechanistic assumptions are less well investigated. Here, we tested one key assumption: Do the effects of different features add linearly or according to a max-type of interaction? We measured the eye position of observers viewing natural stimuli whose luminance contrast and/or color contrast (saturation) increased gradually toward one side. We found that these feature gradients biased fixations toward regions of high contrasts. When two contrast gradients (color and luminance) were superimposed, linear summation of their individual effects predicted their combined effect. This demonstrated that the interaction of color and luminance contrast with respect to human overt attention is—irrespective of the precise model—consistent with the assumption of linearity, but not with a max-type interaction of these features. 相似文献
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The present study investigates mean-level differences in eight comic styles (fun, benevolent humor, nonsense, wit, irony, satire, sarcasm, and cynicism) depending on the sociodemographic variables gender, age, education, political spectrum, and religious affiliation. A large and varied Chilean adult sample (N = 1,272, 60.1% women; age M = 39.94, SD = 17.33) was recruited in face-to-face interviews and online testing. They completed self-reports of the comic styles (the Comic Style Markers) and sociodemographic variables. Overall, small, but meaningful, differences in comic styles were found for the different sociodemographic groups. Men scored higher than women in all comic styles except for benevolent humor, and six styles decreased with age. Having lower education was associated with more cynicism, while the reverse pattern was found for satire and wit. Religious people showed lower scores in four styles than non-religious people, and cynicism was higher in those identifying with left wing rather than right-wing attitudes. The present study thus provides insights into who is more likely to engage in different kinds of humor in their everyday lives. 相似文献
205.
A series of experiments investigated what determines people's degree of belief in conditionals and their readiness to draw inferences from them. Information on the frequency of exceptions to conditional rules was contrasted with information about the number of different disabling conditions causing these exceptions. Experiments 1 and 2, using conditionals with arbitrary contents, revealed a strong effect of frequency information and no effect of disabling information. Experiment 3 established that, in the absence of frequency information, the disabling condition information used in Experiments 1 and 2 affected belief in the conditionals and inference acceptance, as has been found in many previous studies (Byrne, 1989; DeNeys, Schaeken, & d'Ydewalle, 2003b). Experiment 4 extended the results of Experiments 1 and 2 to everyday conditionals. The results show that belief in a conditional, and the confidence in inferences subsequently drawn from it, both depend on the subjective conditional probability of the consequent given the antecedent. This probability is estimated from the relative frequency of exceptions regardless of what causes them. 相似文献
206.
Jessie Wetherbe Hayman Sharon Robinson Kurpius Christy Befort Megan Foley Nicpon Elva Hull‐Blanks Sonja Sollenberger Laura Huser 《Counseling and values》2007,52(1):55-70
The authors investigated the relationships between spirituality, body image, self‐esteem, and stress in 204 college freshmen who identified themselves as being highly spiritual. A positive relationship was found between spirituality and self‐esteem. Although self‐esteem was found to be negatively related to stress, spirituality served as a buffer in this relationship. When gender of participants was examined, men and women did not differ in spirituality. Greater spirituality was related to lower body surveillance, an aspect of body image, for men, but it was not related to body image for women. Overall, however, women experienced greater body image dissatisfaction than did men. 相似文献
207.
The relationship between the incapacity to adapt behaviour to external requirements and biological irregularities of the menstrual cycle was investigated in 30 healthy females divided according to a questionnaire on behavioural adaptability into good (GAs) and bad (BAs) adaptors. Emotional states and blood samples for determination of hormones were obtained on ten defined days of the menstrual cycle, which were individually synchronized to six phases according to biological indicators. Comparison of GAs and BAs revealed that the incapacity of behavioural adaptation is associated with higher neuroticism related traits and states and that BAs exhibited higher cortisol and testosterone levels, lower luteal and follicular levels of estrogen, and lower luteal levels of progesterone. Furthermore, significantly more BA subjects suffered from corpus luteum deficiency. Results are discussed with respect to chronobiological biobehavioural mechanisms. © 1998 John Wiley & Sons, Ltd. 相似文献
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Research on information sharing in group decision-making has widely assumed a cooperative context and focused on the exchange of shared or unshared information in the hidden profile paradigm (36 and 37), neglecting the role of information importance. We argue that information sharing is a mixed-motive conflict setting that gives rise to motivated strategic behavior. We introduce a research paradigm that combines aspects of the traditional information sampling paradigm with aspects of a public good dilemma: the information pooling game. In three experiments, we show that information sharing is strategic behavior that depends on people’s pro-social or pro-self motivation, and that people consider information sharedness and information importance when deciding whether to reveal, withhold, or falsify their private or public information. Pro-social individuals were consistently found to honestly reveal their private and important information, while selfish individuals strategically concealed or even lied about their private and important information. 相似文献