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131.
Microsaccadic responses in a bimodal oddball task 总被引:1,自引:0,他引:1
In a visual oddball task the presentation of rare targets induces a prolonged microsaccadic inhibition as compared to standards.
Here, we replicated this effect also in the auditory modality. In addition, although auditory standards induced a more limited
modulation of microsaccadic frequency as compared to visual standards, auditory oddballs induced a prolonged microsaccadic
inhibition. With bimodal standard stimuli the microsaccadic response was determined by the attended modality, resembling that
produced by attended unimodal stimuli. The present findings support the idea that the microsaccadic response to oddball and
standard stimuli is partly driven by cognitive mechanisms common to both the visual and the auditory modality, and that microsaccades
can be used as an implicit behavioral measure of ongoing cognitive processes. 相似文献
132.
133.
Within a clinical–theoretical framework focused on transference–countertransference dynamics, the authors reflect on role-reversal and on the reasons it has been neglected for a long time in literature. This primitive inter- and intra-psychic process, often at the forefront in our practice, will be discussed in its principal aspects (patient's unconscious identification with parents’ psychic culture and concomitant dissociation of the infant part of the self), signaling how the enactment can be an inevitable element which, putting into play the past dissociated object relationships, becomes a source of mutative understanding. 相似文献
134.
Vieno A Santinello M Pastore M Perkins DD 《American journal of community psychology》2007,39(1-2):177-190
Influences of different sources of social support (from parents and friends), school sense of community, and self-efficacy on psychosocial well being (as measured by self-reported life satisfaction and psychological symptoms) in early adolescence were investigated in an integrative model. The model was tested using structural equation modeling. Multi-group comparisons were used to estimate differences between sex and age groups. The survey sample was composed of 7,097 students in Northern Italy (51.4% male) divided into three age cohorts (equivalent to 6th, 8th, and 10th grades with median ages of 11, 13, and 15). Findings obtained using SEM were consistent with self-efficacy and school sense of community mediating effects of social support on psychosocial adjustment. The multi-group comparison indicates a need for more complex developmental models and more research on how changing forms of support interact with each other as their effects also change during this important stage of the life. Implications for primary prevention and cross-cultural comparisons are discussed. 相似文献
135.
Faes L Nollo G Ravelli F Ricci L Vescovi M Turatto M Pavani F Antolini R 《Perception & psychophysics》2007,69(2):254-262
Despite the widespread use of up-down staircases in adaptive threshold estimation, their efficiency and usability in forced-choice experiments has been recently debated. In this study, simulation techniques were used to determine the small-sample convergence properties of stochastic approximation (SA) staircases as a function of several experimental parameters. We found that satisfying some general requirements (use of the accelerated SA algorithm, clear suprathreshold initial stimulus intensity, large initial step size) the convergence was accurate independently of the spread of the underlying psychometric function. SA staircases were also reliable for targeting percent-correct levels far from the midpoint of the psychometric function and performed better than classical up-down staircases with fixed step size. These results prompt the utilization of SA staircases in practical forced-choice estimation of sensory thresholds. 相似文献
136.
Giannoni M 《The Journal of analytical psychology》2004,49(2):161-175
We are living the passage from the positivistic ideal to a new cultural climate which may be called post-modernism, subjectivism or perspectivism and in which we have lost the conviction that it is possible to reach an absolute knowledge. This climate can become a strong stimulus to a dialogue and a comparison among different psychoanalytical schools and between psychoanalysis and empirical research to find some of the reference points we need in our work. In my paper I will compare self psychology and analytic psychology in order to point out several strong analogies. Firstly, they are based on the same methodological option which gathers knowledge through an empathic understanding 'from within'. According to both Jung and Kohut the individual has within himself a psycho-biological potential, an individual pre-formed core that asks to evolve completely: the central motivation of human beings is the realization of their own individuality. This shared theoretical and epistemological ground conveys convergences in the clinical field between the two disciplines (interpretation of dreams, respect of resistance, diminishing attitude regarding sexual drives, etc.) and specifically determines an attitude of the analyst, which respects the individual process of development, which pays attention to the inner experience, and which gives importance to the analyst's and the patient's subjective experience. 相似文献
137.
Audio-visual crossmodal interactions in environmental perception: an fMRI investigation 总被引:1,自引:1,他引:0
138.
Sgoifo A Pozzato C Meerlo P Costoli T Manghi M Stilli D Olivetti G Musso E 《Stress (Amsterdam, Netherlands)》2002,5(1):23-35
This study investigated the effects of exposure to an intermittent homotypic stressor on: (i) habituation of acute autonomic responsivity (i.e. cardiac sympathovagal balance and susceptibility to arrhythmias), and (ii) circadian rhythmicity of heart rate, body temperature, and physical activity. After implantation of a transmitter for the radiotelemetric recording of electrocardiogram (ECG), body temperature and physical activity, adult male rats (Rattus norvegicus, Wild Type Groningen strain) were repeatedly exposed (10 consecutive times, on alternate days) to either a social stressor (defeat by a con-specific, n = 15) or an open-field, control challenge (transfer to a new cage; n = 8). ECGs, body temperature and physical activity were continuously recorded in baseline, test and recovery periods (each lasting 15 min), at the 1st and 10th episodes of both defeat and open-field challenge. The circadian rhythms of heart rate, body temperature and physical activity were monitored before (5 days), during (16 days) and after (21 days) the intermittent stress protocol. This study indicates that there is no clear habituation of either acute cardiac autonomic responsivity (as estimated by means of time-domain indexes of heart rate variability) or arrhythmia occurrence to a brief, intermittent, homotypic challenge, regardless of the nature of the stressor (social or non-social). On the other hand, rats exposed to social challenge also failed to show adaptation of acute temperature and activity stress responsiveness, whereas rats facing open-field challenge developed habituation of activity and sensitization of temperature responses. Repeated social challenge produced remarkable reductions of the heart rate circadian rhythm amplitude (this effect being significantly greater than that produced by intermittent open-field), but only minor changes in the daily rhythms of body temperature and physical activity. 相似文献
139.
Michela Lenzi Alessio Vieno Massimo Santinello Douglas D. Perkins 《American journal of community psychology》2013,51(3-4):451-467
According to the norms and collective efficacy model, the levels of social connectedness within a local community are a function of neighborhood structural characteristics, such as socioeconomic status and ethnic composition. The current work aims to determine whether neighborhood structural and institutional features (neighborhood wealth, percentage of immigrants, population density, opportunities for activities and meeting places) have an impact on different components of neighborhood social connectedness (intergenerational closure, trust and reciprocity, neighborhood-based friendship and personal relationships with neighbors). The study involved a representative sample of 389 early and middle adolescents aged 11–15 years old, coming from 31 Italian neighborhoods. Using hierarchical linear modeling, our findings showed that high population density, ethnic diversity, and physical and social disorder might represent obstacles for the creation of social ties within the neighborhood. On the contrary, the presence of opportunities for activities and meeting places in the neighborhood was associated with higher levels of social connectedness among residents. 相似文献
140.
Massimo Mugnai 《逻辑史和逻辑哲学》2013,34(4):297-314
According to the received view (Bocheński, Kneale), from the end of the fourteenth to the second half of nineteenth century, logic enters a period of decadence. If one looks at this period, the richness of the topics and the complexity of the discussions that characterized medieval logic seem to belong to a completely different world: a simplified theory of the syllogism is the only surviving relic of a glorious past. Even though this negative appraisal is grounded on good reasons, it overlooks, however, a remarkable innovation that imposes itself at the beginning of the sixteenth century: the attempt to connect the two previously separated disciplines of logic and mathematics. This happens along two opposite directions: the one aiming to base mathematical proofs on traditional (Aristotelian) logic; the other attempting to reduce logic to a mathematical (algebraical) calculus. This second trend was reinforced by the claim, mainly propagated by Hobbes, that the activity of thinking was the same as that of performing an arithmetical calculus. Thus, in the period of what Bocheński characterizes as ‘classical logic’, one may find the seeds of a process which was completed by Boole and Frege and opened the door to the contemporary, mathematical form of logic. 相似文献