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Auditory recognition without identification 总被引:1,自引:0,他引:1
When visual recognition test items are unidentifiable--through fragmentation, for example--participants can discriminate between unidentifiable items that were presented recently and those that were not. The present study extends this recognition without identification phenomenon to the auditory modality. In several experiments, participants listened to words and were then presented with spoken recognition test items that were embedded in white noise. Participants attempted to identify each spoken word through the white noise, then rated the likelihood that the word was studied. Auditory recognition without identification was found: Participants discriminated between studied and unstudied words in the absence of an ability to identify them through white noise, even when the voice changed from male to female and when the study list was presented visually. The effect was also found when identification was hindered through the isolation of particular phonemes, suggesting that phoneme information may be present in memory traces for recently spoken words. 相似文献
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Communication by shared meaning, themastery of word semantics,metarepresentation and metamentation aremental abilities, uniquely human, that share a sense ofintentionality or reference. The latteris developed by a naive psychology or interpretation – acompetence dedicated to representingintentional relations between conspecifics and the world. Theidea that interpretation builds new mentalabilities around a sense of reference is based on three linesof analysis – conceptual, psychological andevolutionary. The conceptual analysis reveals that a senseof reference is at the heart of the abilitiesin question. Psychological data track tight developmentalcorrelations between interpretation and theabilities it designs. Finally, an evolutionary hypothesislooks at why interpretation designed thosenew abilities around a sense of reference. 相似文献
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Preclinical studies suggest that stress exerts depressogenic effects by impairing hedonic capacity; in humans, however, the precise mechanisms linking stress and depression are largely unknown. As an initial step towards better understanding the association between stress and anhedonia, the present study tested, in two independent samples, whether individuals reporting elevated stress exhibit decreased hedonic capacity. The Perceived Stress Scale (PSS) measured the degree to which participants appraised their daily life as unpredictable, uncontrollable, and overwhelming. Hedonic capacity was objectively assessed using a signal-detection task based on a differential reinforcement schedule. Decreased reward responsiveness (i.e., the participants' propensity to modulate behavior as a function of reward) was used as an operational measure of hedonic capacity. In both Study 1 (n=88) and Study 2 (n=80), participants with high PSS scores displayed blunted reward responsiveness and reported elevated anhedonic symptoms. Additionally, PSS scores predicted reduced reward responsiveness even after controlling for general distress and anxiety symptoms. These findings are consistent with preclinical data highlighting links between stress and anhedonia, and offer promising insights into potential mechanisms linking stress to depression. 相似文献
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Mishara BL Chagnon F Daigle M Balan B Raymond S Marcoux I Bardon C Campbell JK Berman A 《Suicide & life-threatening behavior》2007,37(3):308-321
A total of 2,611 calls to 14 helplines were monitored to observe helper behaviors and caller characteristics and changes during the calls. The relationship between intervention characteristics and call outcomes are reported for 1,431 crisis calls. Empathy and respect, as well as factor-analytically derived scales of supportive approach and good contact and collaborative problem solving were significantly related to positive outcomes, but not active listening. We recommend recruitment of helpers with these characteristics, development of standardized training in those methods that are empirically shown to be effective, and the need for research relating short-term outcomes to long-term effects. 相似文献
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Izabela Ewelina Kaźmierczak Jan Strelau Bogdan Zawadzki 《Anxiety, stress, and coping》2013,26(4):443-455
Abstract The relationship between the sense of coherence (SOC) and the intensity of posttraumatic stress disorder (PTSD) was examined in order to determine its nature and to resolve the inconsistencies between (1) a growing body of empirical research that indicates a linear relationship between these variables, and (2) the schema-based theories of PTSD that suggest a curvilinear relationship between cognitions and the intensity of PTSD. In this cross-sectional study an attempt was also made to identify some psychological factors that moderate this relationship. Participants were a sample of 1132 motor vehicle accident (MVA) survivors. The results showed that gender and temperamental predisposition to PTSD constituted moderator variables of the relationship between SOC and the intensity of PTSD. This supported both the empirical evidence on the linear and negative relationship between SOC and the intensity of PTSD and the theories that postulated the curvilinear relationship. 相似文献
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Bogdan Zawadzki Jan Strelau Rainer Riemann Alois Angleitner Frank M. Spinath 《欧洲人格杂志》2003,17(3):207-220
This study of 1555 adult mono‐ and dizygotic twins reared together estimates the heritability of temperament traits in a Polish and a German sample. We test whether the etiology of temperament traits differs between the two cultures and between different temperament traits. We assessed temperament traits with the Formal Characteristics of Behaviour–Temperament Inventory (FCB‐TI), the Pavlovian Temperament Survey (PTS), the Revised Dimensions of Temperament Survey (DOTS‐R), and the Emotionality–Activity–Sociability Temperament Survey (EAS‐TS). Taking error of measurement into account, genetic sources of variance explained about 50% of the variance of temperament traits. We found neither reliable cultural differences nor robust differences in the etiology of the traits. However, the four questionnaires differed systematically with respect to the proportion of genetic and environmental influences on their scales. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献