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921.
Holmes SD Roberts B 《Journal of experimental psychology. Human perception and performance》2011,37(6):1988-2000
Onset asynchrony is an important cue for auditory scene analysis. For example, a harmonic of a vowel that begins before the other components contributes less to the perceived phonetic quality. This effect was thought primarily to involve high-level grouping processes, because the contribution can be partly restored by accompanying the leading portion of the harmonic (precursor) with a synchronous captor tone an octave higher, and hence too remote to influence adaptation of the auditory-nerve response to that harmonic. However, recent work suggests that this restoration effect arises instead from inhibitory interactions relatively early in central auditory processing. The experiments reported here have reevaluated the role of adaptation in grouping by onset asynchrony and explored further the inhibitory account of the restoration effect. Varying the frequency of the precursor in the range ± 10% relative to the vowel harmonic (Experiment 1), or introducing a silent interval from 0 to 320 ms between the precursor and the vowel (Experiment 2), both produce effects on vowel quality consistent with those predicted from peripheral adaptation or recovery from it. However, there were some listeners for whom even the smallest gap largely eliminated the effect of the precursor. Consistent with the inhibitory account of the restoration effect, a contralateral pure tone whose frequency is close to that of the precursor is highly effective at restoring the contribution of the asynchronous harmonic (Experiment 3). When the frequencies match, lateralization cues arising from binaural fusion of the precursor and contralateral tone may also contribute to this restoration. 相似文献
922.
Social support is typically thought to protect people from bad events, whereas capitalization support augments people's reactions to good events. Because social support and capitalization support apply to different classes of events, most theory predicts that measures of perceived support and capitalization support should be empirically distinct. We tested a new theory that hypothesizes that the main effects between perceived support and mental health do not reflect stress and coping primarily, but instead reflect ordinary, yet affectively consequential conversations and shared activities, some of which include positive events. According to this view, perceived support and capitalization support should be substantially correlated, should have similar links to other constructs, and their links to favorable affect should overlap, yet not be completely redundant. In three samples, results were consistent with the new theory, when correlations reflected social influences. When correlations reflected trait influences, perceived and capitalization support showed greater overlap. 相似文献
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Data concerning 127 persons aged 35 years or above who died by suicide (as determined in consecutive cases by a Sydney coroner) were analyzed. Psychological autopsy (PA) interviews were conducted in 52 cases, and details were compared with the 75 cases where data were available only from coroner's files (CF). Most characteristics of the two groups were similar, although more CF suicide victims were of Asian background and unable to speak English fluently. Consensus diagnoses were reached following detailed discussion about PA and CF cases. Logistic regression showed no significant difference between age-groups in the proportion diagnosed with major depression, which contrasts with the results of an earlier U.S. study. 相似文献
925.
Stepfamily education programs are becoming increasingly common. While research on these programs is also increasing, the extant
literature tends to be quantitative and cross-sectional. To more fully understand the stepfamily education experience, this
case study focuses on the perceptions, feelings, and reports of one participating couple in the Smart Steps program. The nuances
and complexities of this single case highlight the sequentiality and reasons for seeking out and participating in stepfamily
education. A holistic portrayal of the perceived benefits of attending is also provided, including improvements with spouse,
ex-spouse, and children. 相似文献
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Growing Suburbs,Relocating Churches: The Suburbanization of Protestant Churches in the Chicago Region, 1925–1990
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Brian J. Miller 《Journal for the scientific study of religion》2017,56(2):342-364
This study examines the locations of Protestant churches in the Chicago region between 1925 and 1990 based on data from the Church Federation of Greater Chicago. The analysis adds two insights to existing explanations of white flight and the corresponding suburbanization of churches: suburbanization patterns were not the same across Protestant groups and churches moving to the suburbs were adding to churches already present in those communities. As the percentage of suburban Protestant churches in the Chicago region started increasing after 1925, the new suburban locations were influenced by settlement patterns in the Chicago region—first along railroad lines and then in between with new sites easier to access by automobile—in addition to racial changes in Chicago neighborhoods and the ethnic composition of denominations. Suggestions for further research include examining the suburbanization of religious groups in more metropolitan regions (particularly beyond the North), comparing the discussions about moving to the suburbs across denominations and congregations, and considering how religious congregations have helped shape suburban communities. 相似文献