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331.
Temporal expectation is a process by which people use temporally structured sensory information to explicitly or implicitly predict the onset and/or the duration of future events. Because timing plays a critical role in crossmodal interactions, we investigated how temporal expectation influenced auditory–visual interaction, using an auditory–visual crossmodal congruity effect as a measure of crossmodal interaction. For auditory identification, an incongruent visual stimulus produced stronger interference when the crossmodal stimulus was presented with an expected rather than an unexpected timing. In contrast, for visual identification, an incongruent auditory stimulus produced weaker interference when the crossmodal stimulus was presented with an expected rather than an unexpected timing. The fact that temporal expectation made visual distractors more potent and visual targets less susceptible to auditory interference suggests that temporal expectation increases the perceptual weight of visual signals. 相似文献
332.
Neil McMillan Allison H. Hahn Jenna V. Congdon Kimberley A. Campbell John Hoang Erin N. Scully Marcia L. Spetch Christopher B. Sturdy 《Animal cognition》2017,20(4):655-663
Chickadees are high-metabolism, non-migratory birds, and thus an especially interesting model for studying how animals follow patterns of food availability over time. Here, we studied whether black-capped chickadees (Poecile atricapillus) could learn to reverse their behavior and/or to anticipate changes in reinforcement when the reinforcer contingencies for each stimulus were not stably fixed in time. In Experiment 1, we examined the responses of chickadees on an auditory go/no-go task, with constant reversals in reinforcement contingencies every 120 trials across daily testing intervals. Chickadees did not produce above-chance discrimination; however, when trained with a procedure that only reversed after successful discrimination, chickadees were able to discriminate and reverse their behavior successfully. In Experiment 2, we examined the responses of chickadees when reversals were structured to occur at the same time once per day, and chickadees were again able to discriminate and reverse their behavior over time, though they showed no reliable evidence of reversal anticipation. The frequency of reversals throughout the day thus appears to be an important determinant for these animals’ performance in reversal procedures. 相似文献
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Research continues to confirm that sharing one's life story through the process of life review enhances psychological well-being and increases life satisfaction. Although researchers have outlined techniques and activities that may be used in life review with older adults, little work has focused on the use of life review methods with terminally ill patients. Additionally, researchers have suggested that life review can take on the form of a spiritual assessment; and that such spiritually oriented life reviews may enhance a sense of meaning and foster reconciliation as one approaches dying. In this article, the authors provide a brief review of the research on and the practice of life review. Further, by merging concepts of life review with systematic theology, they offer a sample instrument--using the example of one faith framework--with which pastoral caregivers can better approach the spiritual needs of patients and facilitate a less traumatic death in the terminally ill. 相似文献
336.
The development of explicit memory for basic perceptual features 总被引:1,自引:0,他引:1
Gulya M Rossi-George A Hartshorn K Vieira A Rovee-Collier C Johnson MK Chalfonte BL 《Journal of experimental child psychology》2002,81(3):276-297
In three experiments with 164 individuals between 4 and 80 years old, we examined age-related changes in explicit memory for three perceptual features--item identity, color, and location. In Experiments 1-2, feature recognition was assessed in an incidental learning, gamelike task resembling the game Concentration. In Experiment 3, feature recognition was assessed using a pencil-and-paper task after intentional learning instructions. The form of the explicit memory function across the life span varied with the particular perceptual feature tested and the type of task. Item recognition was excellent at all ages but was significantly poorer for older adults than children, color recognition peaked in late childhood on the gamelike task, and location recognition peaked in early adulthood on the pencil-and-paper task. These findings indicate that performance on explicit memory tests is not a consistent inverted U-shaped function of age across various features. Explicit memory performance depends on what is measured and how. Because explicit memory typically reflects a composite of different features, age-related changes in explicit memory will not necessarily correspond to the function for any single one. 相似文献
337.
Jack M Fletcher Barbara R Foorman Amy Boudousquie Marcia A Barnes Christopher Schatschneider David J Francis 《Journal of School Psychology》2002,40(1):27
Assessment practices for children with learning disabilities (LD) in reading are driven by the three primary components of the federal definition of LD: discrepancy, heterogeneity, and exclusion. This article reviews the implications of these three components for the assessment of children with reading disabilities and other forms of LD. We propose a rationale and procedures for more efficient approaches to the identification of children as learning disabled in reading or at-risk for these disabilities that are aligned with research on reading disabilities and other forms of LD. This approach emphasizes the assessment of academic skills and their components in an effort to develop intervention plans. Intelligence tests are not necessary for the identification of children as learning disabled and do not contribute to intervention planning. 相似文献
338.
Christine J. Lee Danielle M. Shpigel Kate S. Segal Hannah Esan David R. Estey Marcia G. Hunt 《Military psychology》2018,30(1):10-26
Posttraumatic stress disorder (PTSD) is one of the most common psychiatric disorders diagnosed in U.S. veterans. PTSD is associated with high smoking prevalences and difficulty quitting in the general U.S. population. The current study reviewed research on smoking and PTSD in U.S. veteran samples to summarize past research and identify areas in need of additional inquiry. MEDLINE and PsycINFO searches identified papers on smoking in samples of U.S. veterans with PTSD published from January 2006 through December 2016. Thirty-four articles met all of the inclusion criteria: (a) part of the sample consisted of U.S. veterans with PTSD or PTSD symptoms, and (b) the study examined some aspect of smoking behavior. U.S. veterans with PTSD were more likely to report smoking, heavy smoking, nicotine dependence, and late-onset smoking compared to veterans without PTSD. Smoking behaviors (e.g., current smoking, heavy smoking, smoking expectancies) differed by PTSD symptoms and by combat exposure. Smoking cessation feasibility studies examined the integration of smoking treatment into PTSD clinics and found favorable outcomes. Future research on veterans with PTSD would benefit from extending topics beyond rates of smoking to better understand the treatment needs of veterans. Research on smoking-related behaviors can help identify areas to target for interventions. 相似文献
339.
Deborah Kendzierski Marcia Cauley Costello 《Journal of applied social psychology》2004,34(12):2437-2451
The nutrition behavior of female college students who differed in healthy eater self‐schema status was investigated. Forty‐nine female students enrolled in a nutrition class (27 schematics, 22 nonschematics) provided 4‐day food diaries. Analyses revealed that students who saw themselves as healthy eaters consumed more fiber and less total fat than did those without such a self‐schema. In addition, higher percentages of healthy eater schematics met the dietary guidelines for fiber, total fat, and dietary cholesterol. No group differences were found for either saturated fat or sugar intake. 相似文献
340.
Heather B. Taylor Susan H. Landry Marcia Barnes Paul Swank Leslie B. Cohen Jack Fletcher 《Infant behavior & development》2010,33(4):365-372
This study focuses on the development of early visual information processing among infants with spina bifida (SB) compared to typically developing infants using the habituation–dishabituation paradigm. Analyses were conducted in two stages. First infants were evaluated to determine if 18-month old infants (SB = 47; Control = 40) differed in their ability to shift attention and habituate to two female faces, as well as their responses to composite and novel stimuli. Second, relations between these variables and infant motor and mental functioning were evaluated. The results of the study indicated that difficulties with visual attention skills can be detected as early as 18 months of age among infants with SB. Infants with SB differed significantly from controls on attention getting. Although there were no differences found on habituation and composite tasks, infants with SB differed significantly from controls on their ability to dishabituate. Implications are discussed. 相似文献