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41.
Chiara Ferrari Tomaso Vecchi Alexander Todorov Zaira Cattaneo 《Cognitive, affective & behavioral neuroscience》2016,16(4):626-634
In our everyday social interactions we often need to deal with others’ unpredictable behaviors. Integrating unexpected information in a consistent representation of another agent is a cognitively demanding process. Several neuroimaging studies point to the medial prefrontal cortex (mPFC) as a critical structure in mediating social evaluations. Our aim here was to shed light on the possible causal role of the mPFC in the dynamic process of forming and updating social impressions about others. We addressed this issue by suppressing activity in the mPFC by means of 1 Hz offline transcranial magnetic stimulation (TMS) prior to a task requiring participants to evaluate other agents’ trustworthiness after reading about their social behavior. In two different experiments, we found that inhibiting activity in the mPFC increased perceived trustworthiness when inconsistent information about one agent’s behavior was provided. In turn, when only negative or positive behaviors of a person were described, TMS over the mPFC did not affect judgments. Our results indicate that the mPFC is causally involved in mediating social impressions updating—at least in cases in which judgment is uncertain due to conflicting information to be processed. 相似文献
42.
Maurizio Codispoti Andrea De Cesarei Simone Biondi Vera Ferrari 《Cognitive, affective & behavioral neuroscience》2016,16(6):1063-1073
The interference produced by the viewing of emotional distractors has been interpreted as evidence that emotional cues are processed in a fairly mandatory fashion, and that they divert attention from the primary ongoing task. However, few studies have examined how behavioral emotional interference varies with repeated presentation of the same emotional distractors. In two experiments, while participants were engaged in a parity judgment task, we investigated the effects of repetition of task-irrelevant emotional pictures, as reflected in both behavioral interference (Experiments 1 and 2) and neural activity (Experiment 2). Both experiments showed that the slowing of reaction times that was observed when viewing emotional, compared to neutral, scenes disappeared after only a few repetitions, suggesting diminished attention allocation to repeated emotional pictures. Conversely, in Experiment 2, neural correlates of picture processing revealed that the late positive potential (LPP) amplitude continued to be enhanced for emotional, compared to neutral, distractors despite picture repetition and the presence of a concurrent task. Altogether, these findings suggest that while evaluative processes are mandatory, and continue to engage cortico-limbic appetitive and defensive systems even after massive repetition, as suggested by the affective modulation of the LPP, attentional processes are not necessary after several repetitions of the same stimulus, as indicated by the rapid decline of behavioral emotional interference. 相似文献
43.
This study demonstrated the use of quantitative content validity procedures in the development of a job-related behavioral rating scale criterion for entry-level psychiatric aides. Work behavior items were developed by staff from 6 state psychiatric hospitals, placed in a content validity questionnaire using the Lawshe format, and given to a representative sample of 38 aides and supervisors. Seventy-eight of 83 items were found to be significantly job-relevant using the computation procedures of both Lawshe and Aiken. After the significant items were grouped into 4 categories with high interjudge agreement and placed in a rating scale format, ratings were obtained on 72 psychiatric aides from 4 hospitals. Items in the 4 categories were found to be internally consistent using coefficient alpha. Significant but low concurrent validities were established for 2 verbal ability selection tests using the rating criterion. The validities found were interpreted to be especially significant when the factors of low selection ratio, restriction in range, and limited rater training were considered. 相似文献
44.
This study was designed to investigate the evolution of emotional processing over the whole adult life span as a function of stimulus arousal and participants’ gender. To this end, self-reported affective evaluation and attentional capture prompted by pleasant and unpleasant pictures varying in arousal were measured in a large sample of participants (n?=?211) balanced by gender and equally spread across seven decades from 20 to 90 years. Results showed age differences only for affective evaluation of pleasant stimuli, with opposite patterns depending on stimulus arousal. As age increased, low-arousing pleasant cues (e.g. images of babies) were experienced as more pleasant and arousing by both males and females, whereas high-arousing stimuli (e.g. erotic images) were experienced as less pleasant only by females. In contrast, emotional pictures (both pleasant and unpleasant) were effective at capturing attention in a similar way across participants, regardless of age and gender. Taken together, these findings suggest that specific emotional cues prompt different subjective responses across different age groups, while basic mechanisms involved in attentional engagement towards both pleasant and unpleasant stimuli are preserved in healthy ageing. 相似文献
45.
How international transracial adoptees and immigrants cope with discrimination? The moderating role of ethnic identity in the relation between perceived discrimination and psychological well‐being 下载免费PDF全文
Laura Ferrari Rosa Rosnati Elena Canzi Anna Ballerini Sonia Ranieri 《Journal of community & applied social psychology》2017,27(6):437-449
Research has consistently shown that discrimination based on ethnic group membership affects the psychological well‐being of ethnic minorities. Recent studies revealed that discrimination is also a relevant experience for international transracial adoptees, who have experienced a unique migration process. Yet, there is still a paucity of studies focused on similarities and differences between how immigrants and international transracial adoptees perceive discrimination and on how perceived discrimination impacts psychological well‐being, also depending on ethnic identity. Our study aimed to fill these gaps by investigating the moderating role of ethnic identity affirmation in the association between perceived discrimination and psychological well‐being, measured in terms of self‐esteem. A comparison between international transracial adoptees and immigrants was carried out in the Italian context. Participants were 119 international transracial adoptees and 90 immigrants, aged between 15 and 24, all categorizing themselves as Latinos. Findings revealed that immigrants perceived more discrimination and showed higher levels of ethnic identity affirmation than did adoptees, but no difference emerged with respect to self‐esteem. Ethnic identity affirmation buffered the detrimental effects of perceived discrimination on self‐esteem among international transracial adoptees but not among immigrants. Results are discussed in relation to practical implications for preventive interventions. 相似文献
46.
In communities of high biodiversity, the ability to distinguish predators from non-predators is crucial for prey success.
Learning often plays a vital role in the ability to distinguish species that are threatening from those that are not. Many
prey animals learn to recognise predators based on a single conditioning event whereby they are exposed to the unknown predator
at the same time as alarm cues released from injured conspecifics. The remarkable efficiency of such learning means that recognition
mistakes may occur if prey inadvertently learn that a species is a predator when it is not. Latent inhibition is a means by
which prey that are pre-exposed to an unknown species in the absence of negative reinforcement can learn that the unknown
animal is likely not a threat. Learning through latent inhibition should be conservative because mistakenly identifying predators
as non-predators can have fatal consequences. In this study, we demonstrated that a common coral reef fish, lemon damselfish,
Pomacentrus moluccensis can learn to recognise a predator as non-threatening through latent inhibition. Furthermore, we showed that we could override
the latent inhibition effect by conditioning the prey to recognise the predator numerous times. Our results highlight the
ability of prey fish to continually update the information regarding the threat posed by other fishes in their vicinity. 相似文献
47.
48.
One of the aims of the DEEPEN project was to deepen ethical understanding of issues related to emerging nanotechnologies through
an interdisciplinary approach utilizing insights from philosophy, ethics, and the social sciences. Accordingly, part of its
final report was dedicated to the question of what was accomplished with regards to this aim and what further research is
required. It relates two insights: Nanotechnologies intensify the ambivalence of ongoing, long-term developments; and yet,
our intuitions and received story-lines fail us as a guide to ethical and political matters concerning nanotechnologies. 相似文献
49.
Majer JM Jason LA North CS Ferrari JR Porter NS Olson B Davis M Aase D Molloy JP 《American journal of community psychology》2008,42(1-2):145-153
A longitudinal analysis of psychiatric severity was conducted with a national sample of recovering substance abusers living in Oxford Houses, which are self-run, self-help settings. Outcomes related to residents' psychiatric severity were examined at three follow-up intervals over one year. Over time, Oxford House residents with high versus low baseline psychiatric severity reported significantly more days using psychiatric medication, decreased outpatient psychiatric treatment, yet no significant differences for number of days abstinent and time living in an Oxford House. These findings suggest that a high level of psychiatric severity is not an impediment to residing in self-run, self-help settings such as Oxford House among persons with psychiatric comorbid substance use disorders. 相似文献
50.
Around the end of the 1920s, Vygotsky introduced his integrative framework for psycho-logical research to the Soviet Union. This framework was not abandoned and forgotten until its rediscovery in Russia and America in the 1950s, as some claim. In fact, even after his untimely death in 1934, Vygotsky remained the spiritual leader of a group of his for-mer students and collaborators, who became known as the Kharkov School. This paper reconstructs the early intellectual history of Vygotskian psychology, as it emerged, around the time of Vygotsky's death, in the research program of the Kharkov School. 相似文献