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541.
Monica S. Castelhano Alexander Pollatsek Keith Rayner 《Attention, perception & psychophysics》2009,71(3):490-502
In two experiments, memory was tested for changes in viewpoints in naturalistic scenes. In the key study condition, participants viewed two images of the same scene from viewpoints 40° apart. There were two other study conditions: The two study images were identical or were of different scenes. A test image followed immediately, and participants judged whether it was identical to either of the study images. The scene in the test image was always the same as in a study image and was at least 20° from any study image on different trials. Two models were tested: (1) views stored and retrieved independently and (2) views combined at retrieval. The crucial test of these hypotheses involved a comparison (in the key study condition) of the interpolation condition (the test image was presented between the two study images and 20° from both) and the extrapolation condition (it was 20° from one study image and 60° from the other). Performance in the interpolation condition was far worse than what was predicted by the first model, whereas the second model fit the data quite well. The latter model is parsimonious in that it integrates previous experiences without requiring the integration of the views in memory. We review some of this model’s broader implications. 相似文献
542.
Martina Blank Laura D. Guerim Reinaldo F. Cordeiro Monica R.M. Vianna 《Neurobiology of learning and memory》2009,92(4):529-534
The behavioral tasks aiming to evaluate learning and memory mechanisms currently available to zebrafish (Danio rerio) involve long training sessions frequently along multiple days and are based on shuttle box or active-avoidance protocols, preventing a detailed analysis of cellular and molecular time-dependent processes involved in memory acquisition and consolidation. In order to explore zebrafish’s potential contribution to the characterization of the molecular machinery underlying learning and memory rapidly acquired and reliable paradigms are necessary. In this study we present a rapid and effective learning protocol in a single-trial inhibitory avoidance in zebrafish. In a simple apparatus, adult animals learned to refrain from swimming from a white into a dark compartment in order to avoid an electric shock during a single-trial training session that lasted less than 2 min. The resulting memory is robust, long-lasting and sensitive to NMDA-receptor antagonist MK-801 given in the tank water immediately after training. Experiments aiming to further characterize the events underlying memory formation, retrieval or extinction or those looking for cognitive profiling of mutants, neurotoxicological studies and disease models may benefit from this task, and together with complementary strategies available for zebrafish may significantly improve our current knowledge on learning and memory mechanisms. 相似文献
543.
Monica Hartzell Jaakko Seikkula Anne-Liis von Knorring 《Contemporary Family Therapy》2009,31(3):177-192
The first meeting in psychotherapeutic and psychosocial work, has a big impact on the continuation. It is a less explored
research field. Children’s “voices” tend to come in the back-ground in family therapy and other settings. In a project at
CAP (Child and Adolescent Psychiatry) the children’s views were collected in interviews with parents and therapists present.
The grounded theory analysis process was used. The children addressed the importance of the therapist’s actions and positions
in helping them to be able to communicate and to be in a dialogue. To be accepted and allowed to express feelings was important,
and so was how the therapist managed to adjust to each person in the room and give space for various perspectives. 相似文献
544.
Monica K. B. G. Wong 《Contemporary Family Therapy》2009,31(4):251-261
The importance of preparing for marriage is apparent when one considers the consequences of marital distress and the high
rate of divorce. Pre-marital inventories help couples’ prepare for marriage by identifying their personal risks and resilience
profiles as well as other factors that may influence their marriage. Research demonstrates the benefits of pre-marital inventories;
however, there is little research on their effectiveness for interracial couples. In this review challenges facing interracial
couples are identified, the benefits of using eco-systems theory in the creation of pre-marital inventories are discussed,
and suggestions on how pre-marital inventories can become more applicable to interracial couples are offered. 相似文献
545.
Xeres Delmendo John C. Borrero Kenneth L. Beauchamp Monica T. Francisco 《Journal of applied behavior analysis》2009,42(3):609-625
We conducted preference assessments with 4 typically developing children to identify potential reinforcers and assessed the reinforcing efficacy of those stimuli. Next, we tested two predictions of economic theory: that overall consumption (reinforcers obtained) would decrease as the unit price (response requirement per reinforcer) increased and that the cost and benefit components that defined unit price would not influence overall consumption considerably when unit price values were equal. We tested these predictions by arranging unit price such that the denominator was one (e.g., two responses produced one reinforcer) or two (e.g., four responses produced two reinforcers). Results showed that consumption decreased as unit price increased and that unit price values with different components produced similar consumption. 相似文献
546.
Otilia M. Blaga D. Jill Shaddy Christa J. Anderson Kathleen N. Kannass Todd D. Little John Colombo 《Intelligence》2009,37(1):106-113
We evaluated over 200 participants semiannually from 12 to 48 months of age on measures of intellectual (Bayley Scales, Stanford–Binet Scale) and verbal (MacArthur–Bates Inventory, Peabody Picture Vocabulary Test) status. Structural equation modeling and hierarchical linear (growth curve) analyses were applied to address the nature of development and individual differences during this time. Structural analyses showed a strong and robust simplex model from infancy to the preschool period, with no evidence of qualitative reorganizations or discontinuities. Growth-curve modeling revealed significant associations between level factors across the early and later measures of cognition, providing further evidence of continuity; the growth trajectory from the Bayley through 24 months predicted growth in a nonverbal factor, but not in a verbal factor. Altogether, the findings reveal continuous and stable development in intellectual function from late infancy through the preschool years. Additionally, the high level of continuity demonstrated across these ages was observed to be largely independent of growth in vocabulary. 相似文献
547.
Bruce D. Bartholow Monica A. Riordan Sarah A. Lust 《Journal of experimental social psychology》2009,45(4):655-666
This experiment investigated the role of conflict in the response and evaluative categorization systems in the affective congruency effect using event-related brain potentials (ERPs). Participants completed a primed evaluative decision task in which the proportion of congruent to incongruent trials was manipulated. The size of the affective congruency effect increased along with the proportion of congruent trials. ERP data identified the locus of this effect in the response system: the lateralized readiness potential (LRP) showed that preferential response activation occurred in motor cortex following prime onset, and the fronto-central N2 (conflict monitoring) component indicated that conflict occurred when the response activated by the prime differed from the target response, irrespective of the affective congruency of the prime and target. The extent of this conflict covaried with strategic processing of primes, as participants directed less attention to primes that were likely to elicit conflict. These data support a response conflict account of affective congruency effects in the evaluative decision task and indicate that strategic control of attention is important in determining the extent to which conflict occurs. 相似文献
548.
Kimberly Kelly Howard Leventhal Deborah Toppmeyer Judy Much James Dermody Monica Marvin Jill Baran Marvin Schwalb 《Journal of genetic counseling》2003,12(4):351-371
This repeated measures study examines (1) the change in subjective risk of mutations pre- to postcounseling, (2) the accuracy of BRCAPRO estimates of mutations, and (3) the discrepancy between subjective risk and BRCAPRO estimates of mutations before and after genetic counseling. Ninety-nine Ashkenazi Jewish individuals pursued testing for BRCA1/2 mutations. Most had a personal cancer history (N = 51; family only: N = 48); and received uninformative negative results (N = 66; positives: N = 23; informative negative: N = 10). The coping strategy of defensive pessimism predicts that individuals will believe the worst case scenario to better cope with a potential negative outcome. Consistent with this, most felt they would have a mutation, if not mutations in both genes. The BRCAPRO model appeared to overestimate risk of having a mutation in this sample (p < .001). BRCAPRO overestimates notwithstanding, genetic counseling increased accuracy of subjective risk (p < .01). Individuals with a family-only cancer history had the least accurate estimates of risk (p < .05) and may need further intervention to either manage anxiety or improve knowledge. 相似文献
549.
Angela Bryan Monica S. Ruiz Dennis O'Neill 《Journal of applied social psychology》2003,33(12):2565-2586
Prison inmates have high prevalence rates for both HIV and AIDS, creating a great need for HIV prevention efforts. We tested the theory of planned behavior (TPB) in 3 domains: intention to engage in condom use when released, intention to not share tattoo equipment in prison, and intention to not share needles or tattoo equipment when released. A total of 478 inmates (87% male) completed TPB and sexual and needle‐use risk behavior measures. TPB constructs accounted for a significant variance in intention to use condoms among African American, Hispanic, and Caucasian inmates, though the strength of the relationships differed by ethnicity. The TPB was less successful for intention to share tattooing equipment and not to share needles or tattoo equipment after release. 相似文献
550.
Infant Attention Grows Up: The Emergence of a Developmental Cognitive Neuroscience Perspective 总被引:2,自引:0,他引:2
John Colombo 《Current directions in psychological science》2002,11(6):196-200
Visual attention has long been regarded as a tool for studying the development of basic cognitive skills in infancy and early childhood. However, over the past decade, the development of attention in early life has emerged as an important topic of research in its own right. This essay describes recent changes in the methods used to study attention in infancy, and in the nature of inferences about the early development of attention, as both research and theory in the area have become progressively integrated with models of attention from cognitive science and neuroscience. 相似文献