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71.
Espeseth T Greenwood PM Reinvang I Fjell AM Walhovd KB Westlye LT Wehling E Lundervold A Rootwelt H Parasuraman R 《Cognitive, affective & behavioral neuroscience》2006,6(1):31-43
In the present study, we investigated age-related changes in interactions between efficiency of neuronal repair mechanisms
and efficiency of cholinergic neurotransmission in the context of attentional orienting. In addition, we explored white matter
volume changes as possible neuronal underpinnings. A sample of 230 healthy middle-aged (53–64 years) and older (65–75 years)
adults was genotyped for polymorphisms of APOE and CHRNA4, a nicotinic receptor subunit gene. Participants were administered
a visuospatial attention task involving letter discrimination with location cues of varying validity. Genotype effects on
white matter volume were also investigated in a subset of participants who received MRI scans. APOE interacted with CHRNA4,
such that APOE-ε4 carriers who were also CHRNA4 TT homozygotes showed disproportionately slowed reaction time (RT) following
invalid location cues. The interaction was stronger in the middle-aged participants than in the older participants. There
was also a trend for individuals with combined APOE-ε4/CHRNA4 TT genotypes to show both lower white matter volume and slower
overall RT on the attention task. The interaction of a neurotransmission gene (CHRNA4) and a susceptibility gene (APOE) suggests
that the efficiency of neuronal repair mechanisms may modulate the cholinergic system to influence attentional function. 相似文献
72.
Tsang PS 《Acta psychologica》2006,121(2):137-175
This study contrasts the structural bottleneck and the resource view of attentional limits in time-sharing performance. The research incorporated features of the psychological refractory period (PRP) and the relative priority paradigm designed to maximize joint performance. A main distinction between the two attention views was their prediction on the extent that graded performance tradeoff was possible with graded priority changes. Detailed analysis of the performance and time-sharing strategies called into question the conclusions based exclusively on the PRP paradigm. 相似文献
73.
This study examined the association between maternal smoking and exposure to environmental tobacco smoke (ETS) during pregnancy and infant heart rate. Participants were 62 mother-infant dyads where mother smoked during pregnancy, 47 dyads where mother did not smoke during pregnancy but was exposed to ETS and 47 dyads where mother did not smoke and was not exposed to ETS. Average heart rate (HR) and respiratory sinus arrhythmia (RSA) were assessed at 2-4 weeks of age during sleep. Infants in both exposure groups had higher HR and lower RSA than nonexposed infants. Furthermore, boys in both exposure groups had higher HR and lower RSA than girls. These results highlight the importance of considering prenatal ETS exposure and infant gender when assessing infant outcomes. 相似文献
74.
Monahan J Steadman HJ Appelbaum PS Grisso T Mulvey EP Roth LH Robbins PC Banks S Silver E 《Behavioral sciences & the law》2006,24(6):721-730
The Classification of Violence Risk (COVR) is an interactive software program designed to estimate the risk that a person hospitalized for mental disorder will be violent to others. The software leads the evaluator through a chart review and a brief interview with the patient. At the end of this interview, the software generates a report that contains a statistically valid estimate of the patient's violence risk-ranging from a 1% to a 76% likelihood of violence-including the confidence interval for that estimate, and a list of the risk factors that the program took into account to produce the estimate. In this article, the development of the COVR software is described and several issues that arise in its administration are discussed. 相似文献
75.
76.
Native Americans have higher rates of alcohol use, frequency of use, and increased rates of fetal alcohol syndrome, compared with other ethnic groups (J. Hisnanick, 1992; P. A. May, 1996; J. M. Wallace et al., 2003). High prevalence rates of alcohol misuse among Native Americans must be understood in light of their unique history, which has resulted in trauma and exposure to many risk factors for problem alcohol use. Many risk factors have been identified in the general population; however, only some of these risk factors have been examined among Native American populations. The unique history and world view of Native Americans mean that, often, risk factors operate differently from the way they do in other populations. The authors discuss interventions and promising treatments. 相似文献
77.
Gerhard Blickle Paula B. Schneider James A. Meurs Pamela L. Perrewé 《Journal of applied social psychology》2010,40(8):1897-1920
Mentoring is prototypically intended to advance the personal and professional growth of new employees at work. Although meta‐analyses have found that receiving mentoring can result in beneficial outcomes for employees' career success, employees may perceive barriers to obtaining a mentor. The present research examined antecedents and consequences to perceived barriers to mentoring in business and administrative jobs in a field study over 2 years. Socioeconomic origin, positive affectivity, organizational development culture, and previous mentoring experience predicted perceived barriers to mentoring after 2 years. New employees' perceived barriers to mentoring at Time 1 predicted changes in mentoring received and income after 2 years. Implications of this study, including a proposed mentoring training program, and directions for future research are discussed. 相似文献
78.
Pamela Cooper-White 《Pastoral Psychology》2010,59(3):365-371
Mourning Religion is a brilliant collection of essays responding both to Freud’s essay “Mourning and Melancholia” and Peter Homans’ assertion
that the academic study of religion represents a creative expression of mourning the loss of religion in secular (western)
society. This essay poses questions concerning the role of theology as a mode of analysis; Ricoeur’s concept of “second naiveté”
in relation to disillusionment and religion; Celia Brickman’s reflections on globalization, marginalization, and a shift in
psychological language from “primitivity” to “vulnerability”; the role of the body in the work of religious studies; melancholia
as “re-membering” amid multiplicity and fragmentation; and mourning as protest and resistance. The essay concludes with a
reflection on ambiguity and transcendence in dialogue with Freud’s essay “On Transience.” 相似文献
79.
The purpose of this study was to investigate the relationship between noninduced mood state and self-perceptions of creativity. Undergraduate teacher education students (N = 287) completed 2 mood state inventories (Teasdale 100-Point Thermometer and Perception of Mood States) and a creative self-perception inventory (What Kind of Person Are You? [Khatena &; Torrance, 1976]). The group expressed overall indications of happiness and normally distributed creativity perceptions. Findings were mixed when the 5 scales of the creativity measure (i.e., Acceptance of Authority, Self-confidence, Inquisitiveness, Awareness of Others, and Disciplined Imagination) were correlated to the 6 dimensions of mood (i.e., Tension/Anxiety, Depression/Dejection, Anger/Hostility, Vigor/Activity, Fatigue/Inertia, and Confusion/Bewilderment). There was, however, some indication that positive mood was related to creative self-perception. Results are discussed and future research is suggested. 相似文献
80.
Kate Hays Ian Maynard Owen Thomas Mark Bawden 《Journal of Applied Sport Psychology》2013,25(4):434-456
This study identified the sources and types of confidence salient to 14 (7 male, 7 female) successful World Class athletes. Nine sources of confidence were identified: Preparation, performance accomplishments, coaching, innate factors, social support, experience, competitive advantage, self-awareness, and trust. A testament to the multi-dimensional nature of sport confidence, six types of sport confidence were also identified: skill execution, achievement, physical factors, psychological factors, superiority to opposition, and tactical awareness. Gender was related to both the sources of confidence and the subsequent types of confidence experienced by the athletes. For example, females placed more importance on good personal performances than males who derived confidence from winning. Results were discussed in the context of previous sport confidence literature and implications for sport psychology and coaching practices were drawn. 相似文献