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161.
Automatic verification of multi-agent systems by model checking via ordered binary decision diagrams 总被引:1,自引:0,他引:1
We present a methodology for the verification of multi-agent systems, whose properties are specified by means of a modal logic that includes a temporal, an epistemic, and a modal operator to reason about correct behaviour of agents. The verification technique relies on model checking via ordered binary decision diagrams. We present an implementation and report on experimental results for two scenarios: the bit transmission problem with faults and the protocol of the dining cryptographers. 相似文献
162.
Fabiana Franco Alan Fogel Daniel S. Messinger Christopher A. Frazier 《Infant and child development》1996,5(3):119-127
This is a study of differences in physical contact and tactile interpersonal behaviours between Hispanic and Anglo mothers and infants living in the United States. Infants were 9 months old and 52 mother–infant dyads, 26 Hispanic and 26 Anglo, were videotaped during free play without toys in a university laboratory playroom. Coders judged the interpersonal distance, physical contact and affectionate touch from the videotapes and mothers responded to a questionnaire about the importance of physical contact and affectionate touch in their relationship with their infant. From questionnaire data we found that Hispanic and Anglo mothers both touch their infants on a daily basis, although Hispanic mothers report touching more frequently, being more affectionate with their infants and having more skin-to-skin contact. From videotaped observations we found that there were no overall differences in mother–infant touch between the two cultures; however, the Hispanic mothers showed more close touch and more close and affectionate touch compared to Anglo mothers, who showed more distal touch. The results are discussed in terms of the role of touch in infant development and cultural differences in the evaluation of close physical contact and touch. 相似文献
163.
The author tries to differentiate intuitive imagination from delusional imagination and hypothesises that psychosis alters the system of intuitive thinking, which consequently cannot develop in a dynamic and selective way. Scholars of different disciplines, far removed from psychoanalysis, such as Einstein, Hadamard or Poincar, believe that intuitive thinking works in the unconscious by means of hidden processes, which permit a creative meeting of ideas. Thanks to Bion's work, psychoanalysts have begun to understand that waking thinking is unconsciously intertwined with dream‐work. The delusional construction is similar to a dreamlike sensorial production but, unlike a real dream, it remains in the waking memory and creates characters which live independently of the ‘dreamer's’ awareness. It is a dream that never ends. On the contrary, the real dream disappears when it has brought its communicative task to an end. In the analysis of psychotic patients it is very important to analyse the delusional imagination which dominates the personality and continuously transforms the mental state, twisting emotional truth. The delusional imagination is so deeply rooted in the patient's mental functioning that, even after systematic analysis, the delusional world, which had seemed to disappear, re‐emerges under new configurations. The psychotic core remains encapsulated; it produces unsteadiness and may induce further psychotic states in the patient. The author reports some analytic material of a patient, who, after a delusional episode treated with drugs, shows a vivid psychotic functioning. Some considerations are added on the nature of the psychotic state and on the therapeutic approach used to transform the delusional structure. This paper particularly deals with the difficulty in working through the psychotic episode and in ‘deconstructing’the delusional experience because of the terror connected with it. In the reported case, the analytic work changed the delusional construction into a more benign one characterised by phobic qualities. The analysis of the psychotic transference allowed the focus to be on the hidden work which had been continuously influencing the transferential picture of the analyst and the patient's psychic reality. 相似文献
164.
Augusto Buchweitz Lucas Araújo de Azeredo Breno Sanvicente-Vieira Valentina Metsavaht Car Nathlia Bianchini Esper Ricardo Bernardi Soder Jaderson Costa da Costa Mirna Wetters Portuguez Alexandre Rosa Franco Rodrigo Grassi‐Oliveira 《Developmental science》2019,22(5)
The present study investigated exposure to violence and its association with brain function and hair cortisol concentrations in Latin‐American preadolescents. Self‐reported victimization scores (JVQ‐R2), brain imaging (fMRI) indices for a social cognition task (the ‘eyes test’), and hair cortisol concentrations were investigated, for the first time, in this population. The eyes test is based on two conditions: attributing mental state or sex to pictures of pairs of eyes (Baron‐Cohen, Wheelwright, Hill, Raste, & Plumb, 2001). The results showed an association among higher victimization scores and (a) less activation of posterior temporoparietal right‐hemisphere areas, in the mental state condition only (including right temporal sulcus and fusiform gyrus); (b) higher functional connectivity indices for the Amygdala and Right Fusiform Gyrus (RFFG) pair of brain regions, also in the mental state condition only; (c) higher hair cortisol concentrations. The results suggest more exposure to violence is associated with significant differences in brain function and connectivity. A putative mechanism of less activation in posterior right‐hemisphere regions and of synchronized Amygdala: RFFG time series was identified in the mental state condition only. The results also suggest measurable effects of exposure to violence in hair cortisol concentrations, which contribute to the reliability of self‐reported scores by young adolescents. The findings are discussed in light of the effects of exposure to violence on brain function and on social‐cognitive development in the adolescent brain. A video abstract of this article can be viewed at https://www.youtube.com/watch?v=qHcXq7Y9PBk 相似文献
165.
Bornstein MH Putnick DL Heslington M Gini M Suwalsky JT Venuti P de Falco S Giusti Z Zingman de Galperín C 《Developmental psychology》2008,44(3):666-680
This study used a cross-national framework to examine country, region, and gender differences in emotional availability (EA), a prominent index of mutual socioemotional adaptation in the parent-child dyad. Altogether 220 Argentine, Italian, and U.S. mothers and their daughters and sons from both rural and metropolitan areas took part in home observations when the children were 20 months old. In terms of country, Italian mothers were more sensitive and optimally structuring, and Italian children were more responsive and involving, than Argentine and U.S. dyads. In terms of region, rural mothers were more intrusive than metropolitan mothers, and boys from metropolitan areas were more responsive than boys from rural areas. In terms of gender, mothers of girls were more sensitive and optimally structuring than mothers of boys, and daughters were more responsive and involving than sons. Understanding how country, region, and gender influence EA exposes forces that shape child development, parent-infant interaction, and family systems. 相似文献
166.
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169.
Franco De Masi 《The International journal of psycho-analysis》2006,87(3):789-807
The author attempts to distinguish between the world of fantasy and the imagination (which fuels our capacity to ‘dream’) from a withdrawal into fantasy. In this withdrawal, the foundations of which are laid in childhood, a dissociation from psychic reality starts and from it the delusional world arises and constitutes the adult illness. During therapies of adult patients who have experienced a psychotic state, it is often possible to reconstruct the state of infantile withdrawal and understand how their dissociation from reality was ignored or unknowingly encouraged by their parents. Children destined to develop psychosis enter into the dissociated world not just as a defence against anguish or loneliness, but also for the pleasure of experiencing a delusional self‐suffi ciency and a gratifying omnipotence in which anything is possible. Mental workings that take place in the withdrawal do not follow the rules governing normal psychic functioning. Those fantasies cannot be either repressed or ‘dreamed’ in order to be transformed into thoughts. These psychopathological structures, which develop early and autonomously, have to be understood during analytical therapy in their origins and ‘deconstructed’ in order to help the patient to escape from their dominion. By means of clinical examples, the author tries to shed light on the possible ways of reaching patients in their psychotic shelters, thereby helping them to re‐emerge into a psychic reality. 相似文献
170.
Psychological empowerment, job satisfaction and performance among Filipino service workers 总被引:2,自引:0,他引:2
Ma. Regina M. Hechanova Ramon Benedicto A. Alampay Edna P. Franco 《Asian Journal of Social Psychology》2006,9(1):72-78
The present study surveyed 954 employees and their supervisors to determine the relationship of empowerment with job satisfaction and performance in five different service sectors: hotels, food service, banking, call centers, and airlines. Psychological empowerment was positively correlated with both job satisfaction and performance. Although intrinsic motivation was associated with higher levels of empowerment and job satisfaction, contrary to hypothesis, intrinsic motivation did not moderate the relationship between empowerment and job satisfaction and performance. Men reported greater empowerment than women even when job level and performance were controlled for. Cross-industry analyses indicated differences in empowerment across different types of service sectors with employees in call centers reporting less empowerment compared to employees in hotel, airlines, food establishments, and banks. 相似文献