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991.
Functional magnetic resonance imaging (fMRI) of the human brain was used to compare changes in amygdala activity associated with viewing facial expressions of fear and anger. Pictures of human faces bearing expressions of fear or anger, as well as faces with neutral expressions, were presented to 8 healthy participants. The blood oxygen-level dependent (BOLD) fMRI signal within the dorsal amygdala was significantly greater to Fear versus Anger, in a direct contrast. Significant BOLD signal changes in the ventral amygdala were observed in contrasts of Fear versus Neutral expressions and, in a more spatially circumscribed region, to Anger versus Neutral expressions. Thus, activity in the amygdala is greater to fearful facial expressions when contrasted with either neutral or angry faces. Furthermore, directly contrasting fear with angry faces highlighted involvement of the dorsal amygdaloid region.  相似文献   
992.
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994.
Inhibitory control and working memory were examined in post-institutionalized (PI) children adopted into United States families from Russian institutions. The PI sample originated from institutions that were less severely depriving than those represented in previous studies and approximated the level of psychosocial deprivation, which is characterized by adequate physical resources but a lack of consistent and responsive caregiving. PI children (N?=?75; 29 male) ranged in age from 8–17 years (M?=?12.97; SD?=?3.03) and were grouped according to whether they were adopted after 14 months or before 9 months. A non-adopted comparison group (N?=?133; 65 male) ranged in age from 8–17 years (M?=?12.26; SD?=?2.75). PI children adopted after 14 months of age displayed poorer performance on the stop-signal and spatial span tasks relative to PI children adopted before 9 months of age after controlling for age at assessment. The two PI groups did not differ in their performance on a spatial self-ordered search task. Older-adopted PI children also showed poorer spatial span task performance compared to non-adopted children, but younger-adopted PI children did not. Task performance was significantly associated with parent-rated hyperactive-impulsive behavior in everyday contexts. These findings suggest that exposure to prolonged early institutional deprivation may be linked with inhibitory control and working memory difficulties years after adoption.  相似文献   
995.
A line of research has revealed that a polymorphism in the promoter region of the MAOA gene is related to antisocial phenotypes. Most of these studies examine the effects of low MAOA activity alleles (2-repeat and 3-repeat alleles) against the effects of high MAOA activity alleles (3.5-repeat, 4-repeat, and sometimes 5-repeat alleles), with research indicating that the low MAOA activity alleles confer an increased risk to antisocial phenotypes. The current study examined whether the 2-repeat allele, which has been shown to be functionally different from the 3-repeat allele, was associated with a range of antisocial phenotypes in a sample of males drawn from the National Longitudinal Study of Adolescent Health. Analyses revealed that African-American males who carried the 2-repeat allele were, in comparison with other African-American male genotypes, significantly more likely to be arrested and incarcerated. Additional analyses revealed that African-American male carriers of the 2-repeat allele scored significantly higher on an antisocial phenotype index and on measures assessing involvement in violent behaviors over the life course. There was not any association between the 2-repeat allele and a continuously measured psychopathic personality traits scale. The effects of the 2-repeat allele could not be examined in Caucasian males because only 0.1% carried it.  相似文献   
996.
There are few extant studies of stereotyping of people with facial disfigurement. In the present study, two experiments (both within-participants) showed positive evaluations of people depicted as wheelchair users and, from the same participants, negative evaluations of people with facial disfigurements, compared to controls. The results of Experiment 2 suggested that implicit affective attitudes were more negative toward people with facial disfigurement than wheelchair users and were correlated with evaluation negativity. Social norms were perceived to permit more discrimination against people with facial disfigurement than against wheelchair users. These factors could help to explain the evaluative differences between the two disadvantaged groups.  相似文献   
997.
There is a need to promote growth past basic reading proficiency toward the more substantial idea of reading maturity. The reading maturity construct has a history of being valued, at least in principle. However, it is a complex construct, and this makes its measurement challenging. The present research study addressed aspects of this challenge by using data collected from an instrument called The Reading Maturity Survey, administered twice to 382 college students, to help validate the instrument and to add one piece of validation evidence to the internal structure of the reading maturity construct. Structural equation modeling (SEM) was used to identify the latent literacy constructs and to examine the relationships between these constructs. The findings contribute to further psychometric validation of The Reading Maturity Survey, and add one new piece of quantitative evidence supporting the theory-based construct of reading maturity. Because this study provides some preliminary evidence of viable ways to both measure and define this construct, our hope is that the findings would move the reading field one step closer to being able to better recognize an overarching unified construct of reading maturity, perhaps eventually (re)establishing it as a goal that literacy education could pursue.  相似文献   
998.
Elements form a key component of all repertory grid applications. Outside of the clinical context, the majority of applied research still relies on conventional role titles, objects, events, and situation elements for construct elicitation, limiting alternative applications of the technique. This article draws attention to a neglected topic in the grid literature by addressing the importance of element form and wording when eliciting personal constructs. In particular, no discussion to date has addressed the type of elements needed for more complex managerial and organizational phenomena, such as eliciting cognitive perceptions of a system of something (which, in the true sense of the word, may include people, objects, activities and events). The authors propose the use of more heterogeneous elements that would signify a more meaningful range of representativeness of the domain of interest. Once this is established, the elements would need to be reworded into "-ing" words to ensure triadic comparison are comparing like with like. The use of system elements opens up new applications of Kelly's (1955) grid technique.  相似文献   
999.
This article analyses some changes produced in the contemporary ‘postmodern’ self and its consequences for the anthropological study of religion. In this regard, these changes influence deeply the way we westerners represent our ontological structure, and approach other religious systems and ontologies, due to the current processes of globalisation and transnationalisation, the notion of Self often fluctuates between an old stable, autonomous, maximiser (condensed) self and a dispersed, multivocal one. It is argued here that traditional anthropological analyses of religion lack this critical and reflexive awareness. For that reason, cultural phenomena such as shamanism, sorcery, and many forms of religious and cosmological syncretisms, are frequently approached from a distant, naturalistic viewpoint In this paper a more existential view of religion is proposed; it approaches the observer to the observed, opening up his/her assumptions about the ‘order of things’. A collection of notions, such as critical hermeneutics, critical intersubjectivity, dialectics, and ontological language is discussed, to build a fresh inquiry into the realms of numinous life.  相似文献   
1000.
Abstract

On December 21, 1988, a terrorist bomb blew Pan Am Flight 103 out of the sky over Lockerbie, Scotland, 54 minutes after it took off from London's Heathrow Airport. The explosion sent 259 passengers and crew members tumbling 6 miles to their deaths, killed 11 people on the ground, and created waves of shock and grief that continue to reverberate across the globe. My friend Miriam Wolfe, one of 35 students returning from a semester in London under the auspices of Syracuse University, was on that flight. Her death was the final, jarring event in a traumatic year that had brought me the accidental deaths of four other friends in an Easter plane crash and the breast cancer that would force my mother to endure a mastecotomy and painful years of chemotherapy and drug treatments. While it is tempting to canonize the victims of violent disaster, Miriam was different–and inarguably deserving of such hagiography. A tribute written for one of three memorial scholarships established in her honor calls her a rare and gifted young woman who lived life to the fullest; actively worked to change the world for the better; and gave a great deal of love, joy and wisdom to all who knew her!' Her death yanked me from the comfortable naivete of my youth and forced me to confront the pain and confusion of the adult world. It destroyed my faith in the inherent good of mankind but showed me how disaster can bring out the best in people. It gave me a nihilistic view of life but forced me to make the most of every moment I have. It made me appreciate the people around me but gave me little tolerance for anyone who wastes my time. And it instilled in me a knee-jerk animus toward religion and nearly all things Middle Eastern. Ultimately, though, Miriam's life and death taught me how to live and love and survive in ways I never thought necessary—or possible.  相似文献   
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