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201.
Across two studies participants completed a learning phase comprised of two types of trials: context pairing trials in which two (valenced or non-valenced) words were identical or opposite to one another and evaluative conditioning (EC) trials in which a CS was paired with a US. Based on the idea that EC occurs because CS-US pairings function as a symbolic cue about the relation between the CS and the US, we hypothesised that the nature of context pairings (identical or opposite) might moderate EC effects. Results indicate that identity-based context pairs led to typical assimilative explicit and implicit effects whereas opposition-based pairs led to attenuated effects. Implications and different accounts of our findings are discussed. 相似文献
202.
Catherine M Jordan Andrea L Johnson Steven J Hughes Elsa G Shapiro 《Child neuropsychology》2008,14(1):21-41
Few methods exist to measure declarative (explicit) memory in children during the toddler and preschool stages of development. We report the development and psychometric properties of a new measure of declarative memory for this age group, the Color Object Association Test (COAT). In pilot testing and large scale application of the test, the COAT was demonstrated to be a reliable and a valid measure of declarative memory for healthy children ages 18-36 months, living in a disadvantaged community. The test shows a linear developmental trajectory, which allows longitudinal examination of the development of declarative memory in children. 相似文献
203.
Early problem behaviors are associated with a variety of cognitive deficits: in verbal ability, executive function (EF) and
theory of mind (ToM). Previous studies with different age-groups yield contrasting results: for 2-year-olds, ToM skills appear
particularly salient (Hughes & Ensor, 2006), but for 4-year-olds EF appears more important (Hughes, White, Sharpen, & Dunn,
2000). To examine this apparent developmental change in the relative salience of cognitive deficits we followed 122 children
from Hughes and Ensor’s (2006) sample at ages 3 and 4. Tests of ToM, EF and verbal ability were included at each time-point
and multi-informant, multi-measure, multi-setting ratings provided aggregate measures of problem behaviors. ToM and verbal
ability showed non-specific associations with problem behaviors, but associations between EF and problem behaviors were strong
and specific. In addition, age-3 EF mediated relations between age-2 verbal ability and age-4 problem behaviors. 相似文献
204.
Melanie Dobson Hughes 《Journal of religion and health》2008,47(2):237-252
In the midst of the multifarious healthcare of the 21st century an Anglican clergyman from the 18th century named John Wesley
can serve as a valuable resource for contemporary Christians seeking to faithfully live a life of well-being which incorporates
different forms of medicine. In order to explore Wesley’s contributions to integrative care this essay will first situate
Wesley in his 18th century context—a time period not completely unlike our own in which medicine was also experiencing dramatic
shifts in practice and philosophy. In order to demonstrate his integration of the medical knowledge of his day the essay will
look at Wesley’s own medical practices and his relationships to physicians as forging a “middle way” between physic and empiricism. The essay will examine Wesley’s theology as a practical piety which is grounded in a holistic sotieriology
that sustains an integrative medicine (caring for body, mind, and spirit). Finally, the essay concludes with possibilities
for integrated medicine in our own day as informed by a Wesleyan “way” of holistic practice.
Melanie Dobson Hughes MDiv, Th.M is a current Th.D candidate in theology and ethics at Duke University Divinity School. She is also an ordained elder in the Desert Southwest conference of the United Methodist church. Her research interests include healing, spiritual practices, and suffering. 相似文献
Melanie Dobson HughesEmail: |
Melanie Dobson Hughes MDiv, Th.M is a current Th.D candidate in theology and ethics at Duke University Divinity School. She is also an ordained elder in the Desert Southwest conference of the United Methodist church. Her research interests include healing, spiritual practices, and suffering. 相似文献
205.
Ta WM Pitts RC Hughes CE McLean AP Grace RC 《Journal of the experimental analysis of behavior》2008,89(1):71-91
The purpose of this study was to examine effects of d-amphetamine on choice controlled by reinforcement delay. Eight pigeons responded under a concurrent-chains procedure in which one terminal-link schedule was always fixed-interval 8 s, and the other terminal-link schedule changed from session to session between fixed-interval 4 s and fixed-interval 16 s according to a 31-step pseudorandom binary sequence. After sufficient exposure to these contingencies (at least once through the pseudorandom binary sequence), the pigeons acquired a preference for the shorter reinforcement delay within each session. Estimates of the sensitivity to reinforcement immediacy were similar to those obtained in previous studies. For all pigeons, at least one dose of d-amphetamine attenuated preference and, hence, decreased estimates of sensitivity to reinforcement immediacy; in most cases, this effect occurred without a change in overall response rates. In many cases, the reduced sensitivity to reinforcement delay produced by d-amphetamine resulted primarily from a decrease in the asymptotic level of preference achieved within the session; in some cases, d-amphetamine produced complete indifference. These findings suggest that a reduction in the sensitivity to reinforcement delay may be an important behavioral mechanism of the effects of psychomotor stimulants. 相似文献
206.
This study examined whether individuals with a laryngectomy are at risk for stereotyping and victim blaming. Undergraduate students (3 men and 41 women) volunteered to listen to a recording of a man who used tracheoesophageal speech or a man who was a typical adult speaker. A written vignette was provided prior to the listening activity to assess whether knowing that the speaker did or did not have a history of smoking affected the listeners' judgments of the speaker. Semantic differential data and qualitative responses indicated that participants did not report victim blaming; however, they did report that users of tracheoesophageal speech were less highly employable than typical adult speakers. Participants also indicated they relied on the vocal characteristics of speakers and used empathy- or experienced-based reactions to make judgments about users of such speech. 相似文献
207.
Flexible, context-dependent linkages between stimulus and response are fundamental to adaptive behavior. In the present article, we evaluate the limits of this flexibility by exploring the asymptotic efficiency of people’s ability to switch between two different sensorimotor mappings. Two stimulus—response (S—R) mappings were learned, either both on the same hand (unimanual condition) or one mapping per hand (intermanual condition). The S—R mappings presented bivalent stimuli and employed the same response keys. A novel training regimen successfully reduced task-switch costs to approximately 20 msec, suggesting that residual switch costs cannot be eliminated. These costs cannot be entirely attributed to the cognitive control process of task-set reconfiguration, because they are observed over cued switch intervals of several seconds. Two additional issues in motor learning were addressed: the single or dual loci of manual motor control and the coordinate system of task representation. First, the results favored the notion of independent controllers for each hand instead of a single dominant controller, since intermanual performance was superior to unimanual performance. Second, a transfer task tested internal (egocentric) and external (allocentric) coordinate systems. Transfer was more effective using the external coordinate system, suggesting that the S—R mappings reflected the association between the bivalent stimuli and external goals (i.e., the individual keys) rather than the concrete pattern of muscle contractions (i.e., the finger pressing the key). Finally, retention tests revealed that these learned S—R associations were remarkably durable, since no decrements in fluent task-switching performance were observed after 10 months without practice. 相似文献
208.
209.
210.
GENDER, JOB AND FAMILY CONDITIONS, AND PSYCHOLOGICAL SYMPTOMS 总被引:1,自引:0,他引:1
This study examined the hypothesis that gender differences in psycho-logical distress are mediated by job and family role conditions. Previous research has failed to directly test such mediational hypotheses but rather has inferred effects of role conditions from simple role-occupancy variables. The sample consisted of full-time employed married respondents including 161 women with full-time employed spouses, 142 men with nonemployed spouses, and 126 men with full-time employed spouses. Although the sample reported low psychological symptomatology overall, the women in dual-earner families reported more psychological symptomatology than did either group of men. Hierarchical regression equations indicated that work and family conditions fully attenuated this gender differential. Women in dual-earner families also reported less job enrichment, less time at work, and more household labor inequity than did either group of men. They also reported more childcare difficulty than did men with nonemployed spouses. Work-family interference predicted psychological symptomatology and partially accounted for its relationship with some job and family conditions. We discuss processes through which gender affects psychological distress. 相似文献