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871.
872.
Creel SC 《Journal of experimental psychology. Human perception and performance》2011,37(5):1512-1526
Prior knowledge shapes our experiences, but which prior knowledge shapes which experiences? This question is addressed in the domain of music perception. Three experiments were used to determine whether listeners activate specific musical memories during music listening. Each experiment provided listeners with one of two musical contexts that was presented simultaneously with a melody. After a listener was familiarized with melodies embedded in contexts, the listener heard melodies in isolation and judged the fit of a final harmonic or metrical probe event. The probe event matched either the familiar (but absent) context or an unfamiliar context. For both harmonic (Experiments 1 and 3) and metrical (Experiment 2) information, exposure to context shifted listeners' preferences toward a probe matching the context that they had been familiarized with. This suggests that listeners rapidly form specific musical memories without explicit instruction, which are then activated during music listening. These data pose an interesting challenge for models of music perception which implicitly assume that the listener's knowledge base is predominantly schematic or abstract. 相似文献
873.
Two experiments explored the possibility that specific health risks observed among young women may be influenced by attractiveness-enhancement goals associated with mating. Study 1 (n=257) demonstrated that priming women with intersexual courtship and intrasexual competition increased their willingness to go tanning and take dangerous diet pills. Study 2 (n=148) conceptually replicated these results and revealed that increased willingness to take these risks is mediated by diminished feelings of vulnerability to the negative health effects associated with these behaviors when mating goals are salient. Findings provide evidence that mating goals play a role in the continued popularity of these dangerous behaviors in women. Furthermore, the current results bridge the existing gap between health belief and self-presentational models of risk behaviors to yield novel insights into the psychology of risk taking. 相似文献
874.
The present study assessed preferential attentional processing of animal fear-relevant stimuli in two procedures, Search and
Interference tasks, which have been suggested to reflect on attentional capture due to the fear-relevance of the stimuli presented.
In the Search task, participants (N = 154) searched fear-relevant (i.e., snakes and spiders) and non fear-relevant (i.e.,
fish and birds) backgrounds to determine the presence or absence of a deviant animal from the opposite category. In the Interference
task, the same participants searched for the presence or absence of a neutral target (a cat) when either a snake, spider or
no distracter were embedded amongst backgrounds of other animal stimuli. Replicating previous findings, preferential attentional
processing of animal fear-relevant stimuli was evident in both procedures and participants who specifically feared one animal
but not the other showed enhanced preferential processing of their feared fear-relevant animal. However, across the entire
sample, there was no relationship between self-reported levels of animal fear and preferential processing which may reflect
on the fact that substantial preferential attentional processing of fear-relevant animals was evident in the entire sample.
Also, preferential attentional processing as assessed in the two tasks was not related. Delayed disengagement from fear-relevant
stimuli appeared to underlie performance in the search task but not in the interference task. 相似文献
875.
The present study used ERPs to compare processing of fear-relevant (FR) animals (snakes and spiders) and non-fear-relevant
(NFR) animals similar in appearance (worms and beetles). EEG was recorded from 18 undergraduate participants (10 females)
as they completed two animal-viewing tasks that required simple categorization decisions. Participants were divided on a post
hoc basis into low snake/spider fear and high snake/spider fear groups. Overall, FR animals were rated higher on fear and
elicited a larger LPC. However, individual differences qualified these effects. Participants in the low fear group showed
clear differentiation between FR and NFR animals on subjective ratings of fear and LPC modulation. In contrast, participants
in the high fear group did not show such differentiation between FR and NFR animals. These findings suggest that the salience
of feared-FR animals may generalize on both a behavioural and electro-cortical level to other animals of similar appearance
but of a non-harmful nature. 相似文献
876.
Mother–infant relationship disturbances occur in three domains: maternal distress, infant functional problems, and relationship difficulties. They constitute common clinical problems. In Sweden, they are usually handled by nurses as part of public Child Health Centre care. Severe cases are referred to child psychiatry services. This randomized controlled trial compared two groups of mother–infant dyads in a Stockholm sample. One received only Child Health Centre care (the “CHCC” group) while the other received mother–infant psychoanalytic treatment plus CHCC (the “MIP” group). Eighty dyads of mothers and infants under 1½ years of age where the mothers had serious concerns about themselves in their role as mothers, their infants' well‐being, or the mother–baby relationship were randomly selected for either the MIP or the CHCC group. The primary outcomes were mother‐reported depression, mother‐reported infant functional problems, and interviewer‐based relationship assessments, all at 6 months after joining the project. Secondary outcomes were mother‐reported stress and general psychic distress, externally rated video‐recorded interactions, and the consumption of healthcare at the CHC, again all after 6 months. Intent‐to‐treat analyses of Treatment × Time effects significantly favored MIP treatment for maternal depression, mother–infant relationships, and maternal sensitivity. Effects were nearly significant on maternal stress, but nonsignificant on mother‐reported infant functional problems, general psychic distress, maternal interactive structuring and nonintrusiveness, infant responsiveness and involvement, and healthcare consumption. MIP treatment improved mother–infant relationships and maternal sensitivity and depression, all of which are known to influence child development. If effects persist and are reproduced, MIP treatment holds promise for more widespread use. 相似文献
877.
Janssen D Schöllhorn WI Newell KM Jäger JM Rost F Vehof K 《Human movement science》2011,30(5):966-975
The aim of the study was to train and test support vector machines (SVM) and self-organizing maps (SOM) to correctly classify gait patterns before, during and after complete leg exhaustion by isokinetic leg exercises. Ground reaction forces were derived for 18 gait cycles on 9 adult participants. Immediately before the trials 7–12, participants were required to completely exhaust their calves with the aid of additional weights (44.4 ± 8.8 kg). Data were analyzed using: (a) the time courses directly and (b) only the deviations from each individual’s calculated average gait pattern. On an inter-individual level the person recognition of the gait patterns was 100% realizable. Fatigue recognition was also highly probable at 98.1%. Additionally, applied SOMs allowed an alternative visualization of the development of fatigue in the gait patterns over the progressive fatiguing exercise regimen. 相似文献
878.
879.
Previous research has shown that the activation of a goal leads to more implicit positivity toward goal-relevant stimuli. We examined how the actual pursuit of a goal influences subsequent implicit positivity toward such stimuli. Participants were consciously or non-consciously primed with a goal, or not, and then completed a goal-relevant task on which they succeeded or failed. We then measured their goal-relevant implicit attitudes. Those who were primed with the goal (consciously or non-consciously) and experienced success exhibited more implicit positivity toward the goal, compared with the no-goal condition. Experiencing failure in the goal priming conditions reduced implicit positivity toward the goal, indicating disengagement from the goal. We discuss the theoretical implications for understanding the role of implicit attitudes in self-regulation. 相似文献
880.
Sarah L. Berry 《The Journal of medical humanities》2014,35(1):1-18
This essay examines Harriet Jacobs’s Incidents in the Life of a Slave Girl (1861) in light of new archival findings on the medical practices of Dr. James Norcom (Dr. Flint in the narrative). While critics have sharply defined the feminist politics of Jacobs’s sexual victimization and resistance, they have overlooked her medical experience in slavery and her participation in reform after escape. I argue that Jacobs uses the rhetoric of a woman-led health reform movement underway during the 1850s to persuade her readers to end slavery. This essay reconstructs both contexts, revealing that Jacobs links enslaved women’s physical and sexual vulnerability with her female readers’ fears of male doctors’ threats to modesty and of their standard bleed-and-purge treatments. Jacobs illustrates that slavery damages women’s health as much as heroic medicine, and thus merits the political activism of her readers. Specifically, Jacobs dramatizes her conflicts with the rapacious physician-master at moments that are crucial to women’s health: marriage, pregnancy, childbirth, and motherhood. Ultimately, this essay advances a new understanding of the role of health reform in social change: it galvanized other movements such as women’s rights and abolition, particularly around issues of bodily autonomy for women and African Americans. 相似文献