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151.
ObjectivesTenenbaum's effort-related model has proposed that as physical workload increases, attention allocation shifts from dissociation to association. Owing to equivocal research results regarding gender and experience differences in attention and perceived exertion reports, this study was designed to examine whether attention allocation varied as a function of perceived effort manipulated by physical workload, and whether gender and experience differences would emerge in regards to attention use.DesignA within-subjects study design was employed using measures of attention, perceived exertion, heart rate, and power output.MethodsSixty high school and collegiate rowers were recruited, and were divided into 30 experienced (15 men and 15 women) and 30 novice rowers (15 men and 15 women). After establishing a maximal power output value for each rower using the rowing ergometer, participants were asked to row at 30%, 50%, and 75% relative workload intensities for 10 min in a counterbalanced order. At each minute, measures of heart rate, attention, and perceived exertion were taken. Participants also recorded their thoughts during the session after each task.ResultsResults demonstrated that attention significantly (p<.01) shifted from dissociation to association as workload increased. The workload increase also resulted in elevated perceived exertion and heart rate. Similarly, thought classifications validated attention shift as workload increased. Experience and gender were not found to be discriminatory factors for attention allocation.ConclusionsAttention shifted from dissociation to association as workload increased; as environmental demands increase, physiological sensations dominate the individual's attention. Attention is forced to shift internally and narrow (i.e., associative) to adapt to these demands. During low or moderate workload, attention can be more flexible and voluntarily shift between associative and dissociative modes because the task demands are not overwhelming. 相似文献
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The Psychological Record - Three types of evidence are considered for the view that the propensity of humans to fear snakes is derived from our evolutionary history. It is argued that findings from... 相似文献
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Social effects of oxytocin in humans: context and person matter 总被引:1,自引:0,他引:1
Building on animal research, the past decade has witnessed a surge of interest in the effects of oxytocin on social cognition and prosocial behavior in humans. This work has generated considerable excitement about identifying the neurochemical underpinnings of sociality in humans, and discovering compounds to treat social functioning deficits. Inspection of the literature, however, reveals that the effects of oxytocin in the social domain are often weak and/or inconsistent. We propose that this literature can be informed by an interactionist approach in which the effects of oxytocin are constrained by features of situations and/or individuals. We show how this approach can improve understanding of extant research, suggest novel mechanisms through which oxytocin might operate, and refine predictions about oxytocin pharmacotherapy. 相似文献
159.
Melanie J. Zimmer-Gembeck Nicole Hughes Marguerite Kelly Jennifer Connolly 《Motivation and emotion》2012,36(3):311-322
Individuals?? goals can direct their own social behavior and development. We extended and validated a social dating goals measure (SDGS-R) to assess identity, intimacy and status goals, and compared goals by age, gender, sexual orientation and romantic status. Participants were 121 adolescents and 249 emerging adults (age M?=?20.6). The expected 3-factor structure of the SDGS-R was found and confirmed (18 items). Identity, intimacy and status goals had small correlations with each other and analyses validated the meaning and uniqueness of each goal. Participants reported more identity and intimacy goals than status goals. Intimacy goals were more prominent among older compared to teenage participants and those with a partner rather than without one. Females reported more identity dating goals than males. There was no difference in the goals of same-sex and other-sex attracted youth. The availability of the SDGS-R will allow further study of romantic development and relationship functioning. 相似文献
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Ryan J. Fitzgerald Heather L. Price Deborah A. Connolly 《Applied cognitive psychology》2012,26(4):585-593
The impact of stress on children's face identification is not well understood, partly because of the ethical and methodological challenges posed by this line of research. In the present research, such challenges were addressed by having 4‐year‐old and 5‐year‐old children (n = 80) participate in swimming lessons that were anxiety provoking for some, but not all, children. Information processing conditions were also manipulated by varying event frequency and retention interval. Children's identifications were examined after both a short (1.5–4 weeks) and long (1 year) delay. Anxiety was largely unrelated to the accuracy of children's swimming instructor identifications; however, after a long delay, anxiety had a negative effect on correct line‐up rejections. In addition, the confidence–accuracy relation was influenced by the quality of the information processing conditions but only after a short delay. Implications for child witnesses are discussed. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献