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排序方式: 共有96条查询结果,搜索用时 31 毫秒
81.
Ayala Borghini Blaise Pierrehumbert Raphaële Miljkovitch Carole Muller‐Nix Margarita Forcada‐Guex Franois Ansermet 《Infant mental health journal》2006,27(5):494-508
The effects of premature birth on attachment have generally been examined from the infant's perspective. There is a lack of data concerning parental attachment representations toward a premature child. Because of the psychological stress engendered in parents confronted with a premature birth, we hypothesized that their attachment representations would be altered during the first months after the hospital discharge. Fifty families with a premature infant (25–33 gestation weeks) and a control group of 30 families with a full‐term infant participated to the study. Perinatal risks were evaluated during hospitalization. To assess mothers' representations of their infant, the Working Model of the Child Interview (WMCI, Zeanah & Benoit, 1995 & Benoit, Zeanah, Parker, Nicholson, & Coolbear, 1997) were administered when their children were 6 and 18 months old. The severity of the perinatal risks was found to have an impact on the mothers' attachment representations. At six months, only 20% of the mothers of a prematurely born infant (30% at 18 months) had secure attachment representations, vs. 53% for the control group (57% at 18 months). Furthermore, mothers of low‐risk premature infants more often had disengaged representations, whereas distorted representations were more frequent in the high‐risk group of premature children. These findings suggest that the parental response to a premature birth is linked to the severity of postnatal risks. The fact that secure attachment representations are affected in mothers of low‐risk infants just as much as they are in mothers of high‐risk infants points to the need to conduct further studies aimed at evaluating whether preventive intervention for both low‐risk and high‐risk premature will be helpful. 相似文献
82.
Sherry Glied Christina W. Hoven A. Bowen Garrett Robert E. Moore Philip Leaf Hector R. Bird Sherryl Goodman Darrel Regier Margarita Alegria 《Journal of child and family studies》1997,6(2):177-190
Epidemiological studies of the prevalence of mental health disorders typically contain multiple measures of mental health, using different instruments and different informants (child, parent, and interviewer). We used the Methods for the Epidemiology of Child and Adolescents Mental Disorder (MECA) study of U.S. youth to assess the effects of employing a range of these measures in mental health services research. We examined the effect of including various measures of mental health status in regressions of income on mental health service use. The estimated effect of income on service use varied widely, depending on the measure of mental health status used. Some measures of mental health status have little explanatory power in service use regressions. Measures of mental health status based on parental assessment of impairment or need, such as the Columbia Impairment Scale, are less costly to collect and also have good explanatory power, but are more strongly correlated with income. The Non-Clinician Child Global Assessment Scale (NC-CGAS) performs best in terms of explanatory power and correlation with income. Higher income parents appeared to judge behaviors differently from lower income parents, so analyses based on measures derived from parental report may lead to an understatement of the effect of income on service use. 相似文献
83.
Drawing on frameworks of blocked opportunity, social identity, and immigrant adaptation processes, we tested competing hypotheses about Latino achievement, focusing on variation in the ways in which Latino students at elite colleges perceive and navigate minority status. Using data from 916 participants in the National Longitudinal Survey of Freshmen, cluster analyses identify three profiles of perceived opportunity and social exclusion. Students in the assimilation profile do not believe minority status impacts opportunity. Those in the accommodation profile believe unequal opportunity can be overcome by individual effort. Finally, students in the resistance profile are most skeptical about opportunity for minorities, and these students also report more on-campus ethnic prejudice than their peers. As freshmen, perceived prejudice predicted lower grades only for students in the accommodation profile; however, accommodators later report higher academic achievement than resisters as sophomores. We discuss the conceptual utility of examining multiple beliefs about opportunity in concert. 相似文献
84.
85.
Carballo-Márquez A Vale-Martínez A Guillazo-Blanch G Martí-Nicolovius M 《Neurobiology of learning and memory》2009,91(1):98-101
We examined the involvement of muscarinic receptors in the basolateral amygdala (BLA) in the social transmission of food preference (STFP) learning by assessing the effects of scopolamine (20 microg/side), injected prior to social training, on a 24-h food-choice test. Muscarinic receptor blockade in the BLA significantly impaired STFP, as shown by the rats' chance preference for the odorized trained food. The present results are consistent with the suggestion that intact cholinergic transmission in the BLA is necessary for acquisition and/or initial consolidation and provide evidence that BLA integrity is part of the underlying circuit of STFP learning. 相似文献
86.
Quiroz-Padilla MF Guillazo-Blanch G Vale-Martínez A Torras-García M Martí-Nicolovius M 《Neurobiology of learning and memory》2007,88(2):198-207
To investigate whether the parafascicular (PF) nucleus of the thalamus is involved in different learning and memory tasks, two experiments were carried out in adult male Wistar rats that were submitted to pre-training bilateral N-methyl-d-aspartate PF infusions (0.15M, pH 7.4; 1.2 microl/side, 0.2 microl/min). In Experiment 1, we evaluated the effects of PF lesions in two identical 30-trial training sessions, separated by a 24-h interval, of a two-way active avoidance conditioning. PF-lesioned rats exhibited impaired performance in both sessions, measured by number of avoidance responses. In Experiment 2, the effects of PF lesions were assessed in a training session (5 trials) and a 24-h retention test (2 retention trials and 2 relearning trials) of an odor-discrimination task. PF lesions did not significantly disrupt the acquisition or the first retention trial, which was not rewarded. However, lesioned animals' performance was clearly affected in subsequent trials, following the introduction of the single non-rewarded trial. Current data are discussed considering evidence that lesions of the PF nucleus affect learning and memory functions mediated by anatomically related areas of the frontal cortex and striatum. 相似文献
87.
Boix-Trelis N Vale-Martínez A Guillazo-Blanch G Martí-Nicolovius M 《Neurobiology of learning and memory》2007,87(4):659-668
Previous findings demonstrate the involvement of the cholinergic NBM in the acquisition of the social transmission of food preference (STFP), a relational associative odor-guided learning task. There is also evidence that muscarinic receptors in the medial prefrontal cortex, an important NBM target area, may modulate olfactory associative memory. The present experiment determined the consequences of blocking muscarinic cholinergic receptors in a component of the medial prefrontal region (the prelimbic cortex) on the STFP task. Adult male Wistar rats were bilaterally infused with scopolamine (20 microg/site) prior to training and showed a severe impairment in the expression of the task measured in two retention sessions, both immediately and 24h after training. Local scopolamine injections in the prelimbic cortex did not affect other behavioral measures such as olfactory perception, social interaction, motivation to eat, neophobia, or exploration. Results suggest that muscarinic transmission in the prelimbic cortex is essential for the STFP, supporting the hypothesis that ACh in a specific prefrontal area is important for this naturalistic form of olfactory relational memory. Current data are discussed in the context of disruption of learning as a result of interferences in PLC functions such as behavioral flexibility, attention, and strategic planning. 相似文献
88.
Claudia Bassarak Margarita Leib Dorothee Mischkowski Sabrina Strang Andreas Glöckner Shaul Shalvi 《决策行为杂志》2017,30(4):964-975
When people can profit financially by lying, they do so to the extent to which they can justify their lies. One type of justification is the observation and production of desirable counterfactual information. Here, we disentangle observing and producing of desired counterfactuals and test whether the mere observation is sufficient or whether one actually needs to produce the information in order to justify lying. By employing a modified version of the Die‐Under‐Cup task, we ask participants to privately roll a die three times and to report the outcome of the first die roll (with higher values corresponding to higher payoffs). In all three conditions, participants produce (roll the die) and observe the first die roll, which is relevant for pay. We manipulate whether participants produce and observe versus only observe the second and third die roll outcomes, which are both irrelevant for pay. Results reveal that people lie to the same extent—when producing and observing the counterfactuals, and when merely observing them. It seems that merely observing counterfactual information is sufficient to allow people to use this information to justify their lies. We further test whether creativity and moral disengagement are associated with dishonesty and replicate the finding showing that unethical behavior increases with creativity. Copyright © 2017 John Wiley & Sons, Ltd. 相似文献
89.
The incremental validity and clinical utility of the recently developed Minnesota Multiphasic Personality Inventory-2 (MMPI-2) Infrequency Posttraumatic Stress Disorder Scale (Fptsd) was examined in relation to the family of MMPI-2 F scales in distinguishing feigned post-traumatic stress disorder (PTSD) from disability claimants with PTSD. Research participants instructed to feign PTSD when completing the MMPI-2 scored significantly higher on the MMPI-2 family of F scales and the Fptsd scale compared with their responses when completing the MMPI-2 under standard instructions and the sample of claimants with PTSD. Although comparable in magnitude, effect sizes derived from mean group differences and hierarchical logistic regressions for the Fptsd scale never exceeded those for F(B), and F(P), F, F(B), and F(P) added incrementally to Fptsd in the prediction of feigned PTSD. These results suggest that the Fptsd scale does not afford any incremental predictive utility for detecting feigned PTSD relative to the complement of the existing family of F scales. 相似文献
90.
Findings from research on psychiatric epidemiology, disaster effects, discrepancies in service use, and cross-cultural psychology are reviewed to generate guidelines for culturally responsive postdisaster interventions. Ethnicity and culture influence mental health care at various points: on need for help; on availability and accessibility of help; on help-seeking comfort (stigma, mistrust), and on the probability that help is provided appropriately. There are aspects of disaster mental health practice that may ameliorate many of barriers that contribute to ethnic disparities in service use. It is proposed that interventions should give greater attention to socially engaged emotions and functioning. To promote disaster recovery, practitioners are advised to: assess community needs early and often; provide easily accessible services; work collaboratively and proactively to reduce stigma and mistrust and engage minorities in care; validate and normalize distress and help-seeking; value interdependence as well as independence as an appropriate developmental goal; promote community action; and advocate for, facilitate, or conduct treatment and evaluation research. Notwithstanding the pain and stress they cause, disasters create opportunities to de-stigmatize mental health needs and build trust between providers and minority communities. 相似文献