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851.
Díaz D Rodríguez-Carvajal R Blanco A Moreno-Jiménez B Gallardo I Valle C van Dierendonck D 《Psicothema》2006,18(3):572-577
The aim of this paper is to adapt to Spanish the D. van Direndonck version of Carol Ryff's Psychological Well-Being Scales, and to analyse its consistency and factorial validity. All the scales exhibited good internal reliabilities, with Cronbach alpha's ranging from 0.83 (Self-acceptance) to 0.68 (Personal growth). However, confirmatory factor analyses didn't corroborate the six-factor model (Self-acceptance, Positive relations, Autonomy, Environmental mastery, Purpose in life, and Personal growth) with a second order factor called Psychological Well-Being . To improve the psychometric properties, a new reduced version was proposed that indeed will facilitate the application. The scales of the new version maintain and raise its internal consistency (Cronbach alpha's 0.84 to 0.70). Furthermore, the scales shown an excellent fit to the theoretical model proposed by D. van Dierendonck. 相似文献
852.
In this study we analyze the attentional performance using different cognitive load attentional tasks: low-load cognition (0-CPT) and high-load cognition (DS-CPT). Participants were a group of schizophrenic patients and two groups of normal population psychometrically classified as low schizotypy and high schizotypy according to the SPQ. Our results show that schizophrenic patients were more sensitive to increments on cognitive load, being their attentional performace worse than the rest of the groups. The lack of significant findings in vigilance on the schizotypal traits group is discussed in terms of conceptual and methodological issues about the utility of psychometric strategies to identify vulnerable populations within the spectrum of the schizophrenic disorders. 相似文献
853.
Associative learning theories assume that cue interaction and, specifically, retrospective revaluation occur only when the target cue is previously trained in compound with the to-be-revalued cue. However, there are recent demonstrations of retrospective revaluation in the absence of compound training (e.g., Matute & Pine?o, 1998a, 1998b). Nevertheless, it seems reasonable to assume that cue interaction should be stronger when the cues are trained together than when they are trained apart. In two experiments with humans, we directly compared compound and elemental training of cues. The results showed that retrospective revaluation in the elemental condition can be as strong as and, sometimes, stronger than that in the compound condition. This suggests that within-compound associations are not necessary for retrospective revaluation to occur and that these effects can possibly be best understood in the framework of general interference theory. 相似文献
854.
The neural correlates of implicit and explicit sequence learning: Interacting networks revealed by the process dissociation procedure 总被引:5,自引:0,他引:5
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Destrebecqz A Peigneux P Laureys S Degueldre C Del Fiore G Aerts J Luxen A Van Der Linden M Cleeremans A Maquet P 《Learning & memory (Cold Spring Harbor, N.Y.)》2005,12(5):480-490
In two H2(15)O PET scan experiments, we investigated the cerebral correlates of explicit and implicit knowledge in a serial reaction time (SRT) task. To do so, we used a novel application of the Process Dissociation Procedure, a behavioral paradigm that makes it possible to separately assess conscious and unconscious contributions to performance during a subsequent sequence generation task. To manipulate the extent to which the repeating sequential pattern was learned explicitly, we varied the pace of the choice reaction time task-a variable that is known to have differential effects on the extent to which sensitivity to sequence structure involves implicit or explicit knowledge. Results showed that activity in the striatum subtends the implicit component of performance during recollection of a learned sequence, whereas the anterior cingulate/mesial prefrontal cortex (ACC/MPFC) supports the explicit component. Most importantly, we found that the ACC/MPFC exerts control on the activity of the striatum during retrieval of the sequence after explicit learning, whereas the activity of these regions is uncoupled when learning had been essentially implicit. These data suggest that implicit learning processes can be successfully controlled by conscious knowledge when learning is essentially explicit. They also supply further evidence for a partial dissociation between the neural substrates supporting conscious and nonconscious components of performance during recollection of a learned sequence. 相似文献
855.
Is facial expression recognition marked by specific event-related potentials (ERPs) effects? Are conscious and unconscious elaborations of emotional facial stimuli qualitatively different processes? In Experiment 1, ERPs elicited by supraliminal stimuli were recorded when 21 participants viewed emotional facial expressions of four emotions and a neutral stimulus. Two ERP components (N2 and P3) were analyzed for their peak amplitude and latency measures. First, emotional face-specificity was observed for the negative deflection N2, whereas P3 was not affected by the content of the stimulus (emotional or neutral). A more posterior distribution of ERPs was found for N2. Moreover, a lateralization effect was revealed for negative (right lateralization) and positive (left lateralization) facial expressions. In Experiment 2 (20 participants), 1-ms subliminal stimulation was carried out. Unaware information processing was revealed to be quite similar to aware information processing for peak amplitude but not for latency. In fact, unconscious stimulation produced a more delayed peak variation than conscious stimulation. 相似文献
856.
Michael?MoranEmail author Kevin?J.?Flannelly Andrew?J.?Weaver Jon?A.?Overvold Winifred?Hess Jo?Clare?Wilson 《Pastoral Psychology》2005,53(3):255-266
Clergy (N = 179) in the catchment areas of four hospitals in New York and Connecticut were surveyed about their pastoral care activities. Factor analysis revealed two separate sets of problems presented in pastoral counseling, with respect to clergys ratings of their competence to address them. The first factor included grief, death and dying, anxiety, and marital problems, in descending order of frequency. The second factor consisted of depression, alcohol/drugs, domestic violence, severe mental illness, HIV/AIDS, and suicide. Clergy were significantly less confident of their ability to deal with Factor 2 problems, yet clergy rarely consulted with mental-health professionals about either type of problem. Less than half of the clergy had training in Clinical Pastoral Education, but those who did tended to feel they were more competent to deal with both types of problems. On average, clergy devoted 3.7 hours per week to visiting patients and nearly 55% said they were definitely more likely to refer a patient to a hospital with a pastoral care department. 相似文献
857.
José?Júlio?AlferesEmail author Federico?Banti Antonio?Brogi Jo?o?Alexandre?Leite 《Studia Logica》2005,79(1):7-32
Over recent years, various semantics have been proposed for dealing with updates in the setting of logic programs. The availability
of different semantics naturally raises the question of which are most adequate to model updates. A systematic approach to
face this question is to identify general principles against which such semantics could be evaluated. In this paper we motivate
and introduce a new such principle the refined extension principle. Such principle is complied with by the stable model semantics for (single) logic programs. It turns out that none of the
existing semantics for logic program updates, even though generalisations of the stable model semantics, comply with this
principle. For this reason, we define a refinement of the dynamic stable model semantics for Dynamic Logic Programs that complies with the principle. 相似文献
858.
Pineño O Urushihara K Miller RR 《Journal of experimental psychology. Animal behavior processes》2005,31(2):172-183
This article demonstrates and analyzes spontaneous recovery of stimulus control following both forward and backward blocking in a conditioned suppression preparation with rats. Experiment 1 found, in first-order conditioning, robust forward blocking and an attenuation of it following a retention interval. Experiment 2 showed, in sensory preconditioning, recovery of responding following both forward and backward blocking. Also, the results of this experiment indicated that response recovery to the blocked stimulus cannot be explained by an impaired status of the blocking stimulus after a retention interval. Experiment 3, also in sensory preconditioning, suggested that spontaneous recovery following both forward and backward blocking in Experiment 2 was due to impaired associative activation of the blocking stimulus' representation during testing with the blocked stimulus. Although no contemporary model of associative learning can explain these results, a modification of R. R. Miller and L. D. Matzel's (1988) comparator hypothesis is proposed to do so. 相似文献
859.
The development of interindividual sharing of knowledge and beliefs in 5- to 9-year-old children 总被引:1,自引:0,他引:1
The authors studied the evolution of interindividual intentionality in children and showed that the sharing of knowledge and beliefs requires more complex operations than those involved in usual false-belief tasks. The authors conducted 3 experiments on 380 children (aged 5 years, 0 months to 9 years, 6 months). They assessed the children's ability to attribute to a character an intended action that was compatible with the belief held by another character interacting with that character. The observed lag in performances is explained both in terms of information processing and at the Piagetian concrete operational level. 相似文献
860.