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281.
This study examines the cross-cultural generality of Hering's (1878/1964) color-opponent theory of color appearance. English-speaking and Somali-speaking observers performed variants of two paradigms classically used to study color-opponency. First, both groups identified similar red, green, blue, and yellow unique hues. Second, 25 English-speaking and 34 Somali-speaking observers decomposed the colors present in 135 Munsell color samples into their component Hering elemental sensations—red,green,blue, yellow, white, and black—or else responded “no term.” Both groups responded no term for many samples, notably purples. Somali terms for yellow were often used to name colors all around the color circle, including colors that are bluish according to Hering's theory. Four Somali Grue speakers named both green and blue elicitation samples by their term for green. However, that term did not name the union of all samples called blue or green by English speakers. A similar pattern was found among three Somali Achromatic speakers, who called the blue elicitation sample black or white. Thus, color decomposition by these Somali-speaking observers suggests a lexically influenced re-dimensionalization of color appearance space, rather than a simple reduction of the one proposed by Hering. Even some Somali Green-Blue speakers, whose data were otherwise similar to English, showed similar trends in yellow and blue usage. World Color Survey data mirror these results. These within- and cross-cultural violations of Hering's theory do not challenge the long-standing view that universal sensory processes mediate color appearance. However, they do demonstrate an important contribution of language in the human understanding of color. 相似文献
282.
A Closer Examination of Sexual Trauma During Deployment: Not all Sexual Traumas are Associated with Suicidal Ideation 下载免费PDF全文
Lindsey L. Monteith PhD Deleene S. Menefee PhD Jeri E. Forster PhD Nazanin H. Bahraini PhD 《Suicide & life-threatening behavior》2016,46(1):46-54
Military personnel can be exposed to a wide range of sexual trauma while deployed, including sexual harassment and sexual assault. We examined whether different types of sexual trauma during deployment associated with recent suicidal ideation among previously deployed OEF/OIF/OND veterans admitted to trauma‐focused treatment (n = 199). More severe forms of sexual trauma (e.g., sexual assault) were significantly and positively associated with suicidal ideation. In contrast, sexual trauma involving verbal remarks (e.g., sexual harassment) was not associated with suicidal ideation. Our findings suggest that sexual harassment and sexual assault during deployment may be differentially associated with suicidal ideation. 相似文献
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Lindsey L. Monteith PhD Deleene S. Menefee PhD Jeremy W. Pettit PhD Wendy L. Leopoulos PhD John P. Vincent PhD 《Suicide & life-threatening behavior》2013,43(4):418-428
Suicide among veterans is a pressing public health concern. The interpersonal–psychological theory of suicide proposes that perceived burdensomeness and thwarted belongingness lead to suicidal desire, whereas the acquired capability for suicide leads to suicide attempt in the presence of suicidal desire (Joiner, 2005). Two hypotheses derived from the interpersonal–psychological theory of suicide were tested in 185 veterans (96 women) entering inpatient psychiatric treatment. Burdensomeness and its interaction with belongingness significantly predicted current suicidal ideation. The three‐way interaction between burdensomeness, belongingness, and acquired capability did not significantly predict number of past suicide attempts. Clinical implications and directions for future research are discussed. 相似文献
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The development of bystander intentions and social–moral reasoning about intergroup verbal aggression 下载免费PDF全文
Sally B. Palmer Adam Rutland Lindsey Cameron 《The British journal of developmental psychology》2015,33(4):419-433
A developmental intergroup approach was taken to examine the development of prosocial bystander intentions among children and adolescents. Participants as bystanders (N = 260) aged 8–10 and 13–15 years were presented with scenarios of direct aggression between individuals from different social groups (i.e., intergroup verbal aggression). These situations involved either an ingroup aggressor and an outgroup victim or an outgroup aggressor and an ingroup victim. This study focussed on the role of intergroup factors (group membership, ingroup identification, group norms, and social–moral reasoning) in the development of prosocial bystander intentions. Findings showed that prosocial bystander intentions declined with age. This effect was partially mediated by the ingroup norm to intervene and perceived severity of the verbal aggression. However, a moderated mediation analysis showed that only when the victim was an ingroup member and the aggressor an outgroup member did participants become more likely with age to report prosocial bystander intentions due to increased ingroup identification. Results also showed that younger children focussed on moral concerns and adolescents focussed more on psychological concerns when reasoning about their bystander intention. These novel findings help explain the developmental decline in prosocial bystander intentions from middle childhood into early adolescence when observing direct intergroup aggression. 相似文献
288.
Dominic Abrams Julie Van de Vyver Joseph Pelletier Lindsey Cameron 《The British journal of developmental psychology》2015,33(3):277-294
When will children decide to help outgroup peers? We examined how intergroup competition, social perspective taking (SPT), and empathy influence children's (5–10 years, N = 287) prosocial intentions towards outgroup members. Study 1 showed that, in a minimal group situation, prosociality was lower in an intergroup competitive than in a non‐competitive or interpersonal context. Study 2 revealed that, in a real groups situation involving intergroup competition, prosociality was associated with higher empathy and lower competitive motivation. In a subsequent non‐competitive context, there were age differences in the impact of SPT and competitive motivation. With age, relationships strengthened between SPT and prosociality (positively) and between competitiveness and prosociality (negatively). Among older children, there was a carry‐over effect whereby feelings of intergroup competitiveness aroused by the intergroup competitive context suppressed outgroup prosociality in the following non‐competitive context. Theoretical and practical implications for improving children's intergroup relationships are discussed. 相似文献
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Fang Wang Quynh Trang H. Nguyen Blair Kaneshiro Lindsey Hasak Angie M. Wang Elizabeth Y. Toomarian Anthony M. Norcia Bruce D. McCandliss 《Developmental science》2023,26(4):e13352
There are multiple levels of processing relevant to reading that vary in their visual, sublexical, and lexical orthographic processing demands. Segregating distinct cortical sources for each of these levels has been challenging in EEG studies of early readers. To address this challenge, we applied recent advances in analyzing high-density EEG using Steady-State Visual Evoked Potentials (SSVEPs) via data-driven Reliable Components Analysis (RCA) in a group of early readers spanning from kindergarten to second grade. Three controlled stimulus contrasts—familiar words versus unfamiliar pseudofonts, familiar words versus pseudowords, and pseudowords versus nonwords—were used to isolate coarse print tuning, lexical processing, and sublexical orthography-related processing, respectively. First, three overlapping yet distinct neural sources—left vOT, dorsal parietal, and primary visual cortex were revealed underlying coarse print tuning. Second, we segregated distinct cortical sources for the other two levels of processing: lexical fine tuning over occipito-temporal/parietal regions; sublexical orthographic fine tuning over left occipital regions. Finally, exploratory group analyses based on children's reading fluency suggested that coarse print tuning emerges early even in children with limited reading knowledge, while sublexical and higher-level lexical processing emerge only in children with sufficient reading knowledge.
Research Highlights
- Cognitive processes underlying coarse print tuning, sublexical, and lexical fine tuning were examined in beginning readers.
- Three overlapping yet distinct neural sources—left ventral occipito-temporal (vOT), left temporo-parietal, and primary visual cortex—were revealed underlying coarse print tuning.
- Responses to sublexical orthographic fine tuning were found over left occipital regions, while responses to higher-level linguistic fine tuning were found over occipito-temporal/parietal regions.
- Exploratory group analyses suggested that coarse print tuning emerges in children with limited reading knowledge, while sublexical and higher-level linguistic fine tuning effects emerge in children with sufficient reading knowledge.