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The authors investigated whether the size of the attention focus can influence saccadic adaptation, and whether this influence changes in older age. Using the scrambled sentence task, young and older participants were either primed for a wide attention focus, or primed of a narrow attention focus, or were not primed for any specific attention focus. Subsequently, all participants underwent a double-step saccadic adaptation paradigm aimed at changing the direction of reflexive saccades. The authors found that compared to the nonprimed control group, priming for a wide attention focus enhanced saccadic adaptation in both age groups by a similar amount; the benefit persisted throughout the adaptation phase, but was absent during the deadaptation phase. In contrast, the authors found no effects of priming with a narrow attention focus on saccadic adaptation. From this the authors conclude that a wide attention focus is beneficial for workaround strategies but not for adaptive recalibration, and that those benefits are similar in young and older persons.  相似文献   
103.
Several studies have provided evidence of a women's better accuracy in interpreting emotional states. Despite this difference is generally ascribed to the primary role of female gender in the affective relation with the offspring, to date, little information is available regarding gender differences in the ability to interpret infant facial expressions. In the present study, we examined the roles of gender and expertise in interpreting infant expression in 34 men and women who differed in their experience with infants. Women showed a significantly higher level of decoding accuracy compared to men. Expertise positively affected facial expressions decoding among women only. Our results suggest that in judging emotional facial expressions of infants, there is an interaction of biological (i.e., gender) and cultural factors that is independent of a woman's socioeconomic status.  相似文献   
104.
Using vision, humans can accurately judge distances to locations on the ground surface up to distances of at least 20 m. Most theories of depth perception assume that this ability is associated with the fact that we live in a terrestrial world in which locations of interest often appear on the ground and for which feedback about distance is often available from nonvisual sources such as walking. Much less is known about the ability of humans to judge absolute distances to locations other than on or supported by the ground plane beyond a few meters, at which point binocular stereo provides at best limited information about distance scaling. We show that one commonly used action measure for probing absolute distance perception exhibits accurate performance, even for targets located on the ceiling of a large room. We follow this with evidence that distance to ceiling locations is recovered with a mechanism that depends, at least in part, on the angle from the line of sight to the target location and a gravity-based frame of reference.  相似文献   
105.
Patterns of adaptation to conflict in persons with Obsessive-Compulsive Disorder were assessed with the Serial Color-Word Test. Obsessive-Compulsive patients (n=50) were compared with an age- and sex-matched group of nonclinical volunteers. Measures of linear and nonlinear change in reading times during each of the five consecutive trials of the test were compared between groups by means of a multivariate model with doubly repeated measures. The multivariate analysis yielded a significant between-groups result (Wilks Lambda = .76, p < .001), mainly supported by higher values of nonlinear change in the Obsessive-Compulsive group. Thus, the discriminative ability of the Serial Color-Word Test was confirmed when individual differences were removed from the error term.  相似文献   
106.
In his 2011 Laszlo, E. (2011). Global bifurcation: The decision window. Journal of Globalization Studies, 2(2), pp. 36. [Google Scholar] article “Global Bifurcation: The Decision Window” Ervin Laszlo notes that “we have reached a watershed in our social and cultural evolution. The sciences of systems tell us that when complex open systems … approach a condition of critical instability, they face a moment of truth: they either transform or break down.” (p. 108) In this article we provide our own vision of this Global Bifurcation. This work stems naturally from the research highlighted in the article titled “Transition to Crisis-Free Development: A Myth or Reality?” that was published in World Futures (Bondarenko, 2014a Bondarenko, V. (2014a). Transition to crisis-free development: A myth or reality? World Futures, 70, 93119.[Taylor &; Francis Online] [Google Scholar]). In our new article, we move forward suggesting that crises-free development is not only possible but is also very likely, and paradoxically the world is now going through the most challenging transition from one paradigm of development to another. Based on our previous research as well as the findings of the Fifth Report to the Club of Rome, we suggest reasons for the development and implementation of a megaproject featuring a new model of life so as to make the paradigm shift possible, exclude negative implications of the upcoming technological “singularity,” and foster the achievement of an objectively defined goal of development, and this should reasonably require support from and direct involvement of the United Nations. The mechanism for implementation of this model suggests coordinating interests of the government, society, and business communities on each level with interests of particular individuals.  相似文献   
107.
The aim of this study was to investigate developmental changes in heart rate response to repeated low-intensity (85 dB) sound stimulation in fetuses between 32 and 37 weeks of gestation. We measured amplitude changes in heart rate as our index of fetal response. At 35 to 37 weeks of gestation, the majority of fetuses showed a deceleratory response at the first trial. Amplitude decreased with further trials using the same stimulus before recovering when exposed to another type of stimulation. In contrast, responses in fetuses at 32 to 34 weeks of gestation were variable across trials and there was no recovery with exposure to another type of stimulation. Our results suggest that fetal habituation of cardiac response changes with developmental age.  相似文献   
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Early findings from Broca and Wernicke led to the classical view of hemispheric specialization, where the main idea relates to left-hemisphere language capabilities compared to right-hemisphere visual capabilities. Federmeier and Benjamin (2005) have suggested that semantic encoding for verbal information in the right hemisphere can be more effective when memory demands are higher. In light of this, our main goal was to study the effect of retention level of verbal information on hemispheric processes. However, regarding the cross-linguistic differences in orthography and their subsequent effects on word recognition (Frost, Katz, & Bentin, 1987), our intent was also to test prior predictions of Federmeier and Benjamin (2005) for a \"shallow\" orthography language, where words have a clear correspondence between graphemes and phonemes, as opposed to English, which is a \"deep\" orthography language. Portuguese concrete nouns were selected. The participants were submitted to a visual half-field word presentation using a continuous recognition memory paradigm. The retention level included 1, 2, 4, 8, 20 or 40 words. Results showed that recognition accuracy was higher for words studied in the right visual field, compared to those studied in the left visual field, when the retention interval included 2, 4, or 20 words. No significant differences were found for the remaining intervals. Further analysis on accuracy data for intermediate retention levels showed that recognition accuracy was higher for the 2 words retention level than for the levels including 4, 8, or 20 words; it was higher for left-hemisphere encoding as well. Our results also indicated that reaction times were slower for left-hemisphere encoding and for the 40 words retention level when compared to that of 20 words. In summary, the current results are in partial agreement with those of Federmeier and Benjamin (2005) and suggest different hemispheric memory strategies for the semantic encoding of verbal information.  相似文献   
110.
    
The authors propose a reflection on a time-limited psychoanalytic group for children, adolescents and families, run in a public service. Some patients in the group give accounts of violent relationships and traumatic experiences. The accounts of violent, interpersonal and intrapsychic relationships influence the group’s capacity of thinking, which leads to difficulties in the processing of symbolic aspects. The fundamental question is that of whether it is possible to work in a time-limited, institutional, psychoanalytical framework, in which psychotherapists have to attempt to give meaning to experiences which take place in a repetitive present, in a space/time in which the prospect of a conclusion appears to be inconceivable. By means of a clinical example, and with particular emphasis on the first sessions and the dream brought up by a patient who has been a victim of domestic violence, the authors discuss the possibility of modifying, chiefly from within, the feeling of the immutability of early psychic material, which is itself intrinsically violent.  相似文献   
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