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Covert shifts of attention have been shown to improve detection and discrimination thresholds for a range of visual stimuli. Although there is some evidence to suggest that the allocation of attention to a particular region of interest occurs in a retinotopic frame of reference, the importance of an allocentric, or object-based, framework has gained widespread empirical support. The current experiment investigates the nature of the spatial representation in which covert shifts of attention occur in response to a reflexive prime. Primes and targets were presented in four conditions designed to vary systematically the validity of the spatial relationship between the prime and target in egocentric or allocentric coordinate frameworks. A significant advantage, in terms of reaction time and correct identification, was found for targets located in positions previously primed in an egocentric (but not allocentric) framework whereas there was no advantage for locations primed in an allocentric (but not egocentric) framework. These results suggest that the allocation of covert spatial attention within an egocentric framework may be more important than previously thought. 相似文献
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Elizabeth Léonie Simpson 《Psychology of women quarterly》1980,5(1):116-126
As an exemplar of the fulfilled and integrative life, Harvard Professor Emerita Anne Roe provides a model of both personal and professional achievement. In her adult life the roles of researcher, administrator and teacher have been in dialectical interaction with those of wife and mother defined in the normative terms of the times. Her work, complicated by years of chronic illness, has been concerned with the intellectual functions of normal, aphasic and mentally disordered adults; behavior of newborn infants; status of foster children from different backgrounds; the effects of alcohol; personalities of artists and scientists; the psychology of occupations; behavior and evolution; the psychology of creativity; and the relations between early experiences and career patterns. Professional recognition has taken many forms, including entry in the World Who's Who in Science in which she and her husband George Caylord Simpson, the evolutionist, are separately listed for achievement in distinct fields. Forced curtailment of professional life has led to development in arts and crafts as a new occupational endeavor. 相似文献
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Keren Lehavot PhD Tracy L. Simpson PhD Jillian C. Shipherd PhD 《Suicide & life-threatening behavior》2016,46(5):507-524
Correlates of past‐year suicidal ideation and lifetime suicide risk among a national sample of transgender veterans were examined. An online, convenience sample of 212 U.S. transgender veterans participated in a cross‐sectional survey in February–May 2014. We evaluated associations between sociodemographic characteristics, stigma, mental health, and psychosocial resources with past‐year suicidal ideation and lifetime suicide plans and attempts. Participants reported high rates of past‐year suicidal ideation (57%) as well as history of suicide plan or attempt (66%). Transgender‐related felt stigma during military service and current posttraumatic stress disorder and depressive symptoms were associated with suicide outcomes as were economic and demographic factors. 相似文献
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Raymond P. Tucker Rylan J. Testa Mark A. Reger Tracy L. Simpson Jillian C. Shipherd Keren Lehavot 《Suicide & life-threatening behavior》2019,49(1):155-166
Research suggests the prevalence of suicide ideation and suicide attempts in the transgender veteran community may be upwards of 20 times higher than nontransgender veterans, who are known to be at increased risk than the general US population. This study aimed to understand the potential influence of external and internal minority stress experienced during and after military service on past‐year and recent suicide ideation in a sample of 201 transgender veterans. Nonparametric bootstrapping analyses indicated past‐year transgender‐specific discrimination and rejection (external minority stress) indirectly predicted frequency of both past‐year and past 2‐week suicide ideation through past‐year shame related to gender identity (internal minority stress). This result was significant when controlling for symptoms of depression and demographics. Similar patterns emerged when examining relationships among military external and internal minority stress on suicide outcomes. These results suggest that attempts to reduce both the experience and impact of minority stressors related to gender identity during and after military service may be an important avenue for suicide prevention. 相似文献