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21.
Here we report six cases of infanticide in the domestic cat directly observed in populations located in the rural environment. This is the first time that infanticide in domestic cats has been witnessed directly and described. All infanticidal males were fully adult and sexually mature unknown males. All kittens killed were within their first week of life. The killing pattern was generally the same as that described in lions. All females reacted aggressively but could not prevent the infanticide. Three hypotheses are discussed : (1) infanticide is a remnant of cat male reproductive strategy selected in the original environment; (2) the conditions of the rural environment have created a selection pressure encouraging a polymorphism of infanticidal and noninfanticidal males to evolve; (3) infanticide is an abnormal behaviour caused by environmental conditions such as human disturbance. Aggr. Behav. 25:445–449, 1999. © 1999 Wiley‐Liss, Inc.  相似文献   
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Background. As familial cancer genetic services moves into community practice increased numbers of trained health professionals are needed to counsel individuals seeking cancer risk information. Nurses have been targeted to provide cancer risk assessment and counseling. To help prepare nurses for this role, a 5-day training in familial cancer risk assessment and counseling followed by a long-distance mentorship to support continued skill development in the work environment was conducted by Fox Chase Cancer Center, Philadelphia, PA. Methods. Four cohorts (N = 41) have completed the training and were randomized to either an immediate or delayed mentorship. A formative evaluation assessed the nurse’s ability to consult with other genetic health professionals and build self-efficacy in counseling skills via responses to questionnaire. A post-mentorship interview evaluated the usefulness, timing and length of the mentorship. Results. For both groups, there was a statistically significant improvement in self-efficacy for all skills from baseline to 6 months and an increased number of nurses consulting with genetic health professionals. All the nurses reported the value of the mentorship and those with less cancer risk counseling experience prior to the training needed support and resources for further skill and program development. Lessons learned from this formative evaluation are provided.  相似文献   
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Drawing on decades of research suggesting an attentional advantage for self‐related information, researchers generally assume that self‐related stimuli automatically capture attention. However, a literature review reveals that this claim has not been systematically examined. We aimed to fill in this dearth of evidence. Following a feature‐based account of automaticity, we set up four experiments in which participants were asked to respond to a target preceded by a cue, which was self‐related or not. In Experiment 1, larger cuing effects (faster reaction times to valid versus invalid trials) were found with a participant's own name compared with someone else's name. In Experiment 2, we replicated these results with unconscious cues. Experiment 3 suggested that these effects are not likely driven by familiarity. In Experiment 4, participants experienced greater difficulties from having their attention being captured by their own compared with someone else's name. We conclude that attentional capture by self‐related stimuli is automatic in the sense that it is unintentional, unconscious, and uncontrolled. Implications for self‐regulation and intergroup relations are discussed. Copyright © 2012 John Wiley & Sons, Ltd.  相似文献   
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Delay discounting is the process by which the value of an expected reward decreases as the delay to obtaining that reward increases. Individuals with higher discounting rates tend to prefer smaller immediate rewards over larger delayed rewards. Previous research has indicated that personality can influence an individual's discounting rates, with higher levels of Extraversion predicting a preference for immediate gratification. The current study examined how this relationship would be influenced by situational mood inductions. While main effects were observed for both Extraversion and cognitive ability in the prediction of discounting rates, a significant interaction was also observed between Extraversion and positive affect. Extraverted individuals were more likely to prefer an immediate reward when first put in a positive mood. Extraverts thus appear particularly sensitive to impulsive, incentive-reward-driven behavior by temperament and by situational factors heightening positive affect.  相似文献   
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Human conscious awareness is commonly seen as the climax of evolution. However, what function-if any-it serves in human behavior is still debated. One of the leading suggestions is that the cardinal function of conscious awareness is to integrate numerous inputs-including the multitude of features and objects in a complex scene-across different levels of analysis into a unified, coherent, and meaningful perceptual experience. Here we demonstrate, however, that integration of objects with their background scenes can be achieved without awareness of either. We used a binocular rivalry technique known as continuous flash suppression to induce perceptual suppression in a group of human observers. Complex scenes that included incongruent objects escaped perceptual suppression faster than normal scenes did. We conclude that visual awareness is not needed for object-background integration or for processing the likelihood of an object to appear within a given semantic context, but may be needed for dealing with novel situations.  相似文献   
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This study presents a patient (JH) suffering from acquired deep dyslexia. According to a cognitive model of reading, JH exhibited a significant impairment in both the phonological and lexical routes to reading. A rehabilitation program was proposed. We decided to focus on the lexical route using a priming paradigm. The written words were associated with a picture and the patient was invited to construct a mental association between the written word and the image. During five sessions, JH was trained to read 50 words. A pre-test, a post-test, and an 8-month follow-up session consisted of reading 140 written words including the 50 trained words. At the post-test, 90% of the trained words were accurately read. At the follow-up session, JH's reading performance for the trained words was still highly accurate at 84%. This strong effect is discussed and ways of increasing the patient's abilities to read are proposed.  相似文献   
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This research examined whether peer relationships amongst ethnic minority status children reflect the social groups to which children belong and the degree to which they identify with these groups. A longitudinal study was conducted to investigate the influence of group identities (i.e., ethnic and national) on children's perceived peer acceptance and preference for same‐ethnic friendships. Measures of ethnic and English identification, perceived peer acceptance, and friendship choice were administered to 207 south‐Asian English children, aged between 5 and 11, at two time points 6 months apart. In line with predictions, longitudinal analysis showed that bicultural identification (i.e., higher ethnic and English identity) was related to higher perceived peer acceptance and less preference for same‐ethnic friendships. Importantly, as hypothesized, this finding was limited to the older children with more advanced social‐cognitive abilities. The results suggest that older children who adopted a bicultural identity were able to strategically ‘flag’ their multiple group identities, within their multicultural peer groups, to obtain acceptance amongst the maximum number of peers and show less preference for same‐ethnic friendships. This study extends previous peer relations research, which has typically focused on individual social deficits or classroom norms, by showing that group identities influence peer relationships amongst ethnic minority status children.  相似文献   
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