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31.
Induction of lucid dreams: A systematic review of evidence 总被引:1,自引:0,他引:1
In lucid dreams the dreamer is aware of dreaming and often able to influence the ongoing dream content. Lucid dreaming is a learnable skill and a variety of techniques is suggested for lucid dreaming induction. This systematic review evaluated the evidence for the effectiveness of induction techniques. A comprehensive literature search was carried out in biomedical databases and specific resources. Thirty-five studies were included in the analysis (11 sleep laboratory and 24 field studies), of which 26 employed cognitive techniques, 11 external stimulation and one drug application. The methodological quality of the included studies was relatively low. None of the induction techniques were verified to induce lucid dreams reliably and consistently, although some of them look promising. On the basis of the reviewed studies, a taxonomy of lucid dream induction methods is presented. Several methodological issues are discussed and further directions for future studies are proposed. 相似文献
32.
The study examines whether self-efficacy mediates between intention and behavior, and whether appearance norms and self-efficacy are additive or synergistic predictors of sunscreen use. At two measurement points in time, 14 weeks apart, 154 individuals responded to an online questionnaire. Moderated mediation was tested by hierarchical regression analyses. Self-efficacy mediated the intention-behavior relationship, whereas appearance norms emerged as a moderator of the self-efficacy-sunscreen use relationship. The model accounted for 22% of the behavior variance at time 2. For individuals who believe that they would look more attractive with a tan, self-efficacy did not have a strong effect on behavior. Thus, for skin-protection motivation to become effective, self-efficacy is needed in conjunction with less positive appearance norms. Implications for public health promotion and mass media sunscreen use campaigns are discussed. 相似文献
33.
Thomas Schäfer Arun Tipandjan Peter Sedlmeier 《International journal of psychology》2012,47(5):370-380
Is the use of music in everyday life a culturally universal phenomenon? And do the functions served by music contribute to the development of music preferences regardless of the listener's cultural background? The present study explored similarities and dissimilarities in the functions of music listening and their relationship to music preferences in two countries with different cultural backgrounds: India as an example of a collectivistic society and Germany as an example of an individualistic society. Respondents were asked to what degree their favorite music serves several functions in their life. The functions were summarized in seven main groups: background entertainment, prompt for memories, diversion, emotion regulation, self‐regulation, self‐reflection, and social bonding. Results indicate a strong similarity of the functions of people's favorite music for Indian and German listeners. Among the Indians, all of the seven functions were rated as meaningful; among the Germans, this was the case for all functions except emotion regulation. However, a pronounced dissimilarity was found in the predictive power of the functions of music for the strength of music preference, which was much stronger for Germans than for Indians. In India, the functions of music most predictive for music preference were diversion, self‐reflection, and social bonding. In Germany, the most predictive functions were emotion regulation, diversion, self‐reflection, prompt for memories, and social bonding. It is concluded that potential cultural differences hardly apply to the functional use of music in everyday life, but they do so with respect to the impact of the functions on the development of music preference. The present results are consistent with the assumption that members of a collectivistic society tend to set a higher value on their social and societal integration and their connectedness to each other than do members of individualistic societies. 相似文献
34.
The study investigated the transfer of attachment working models onto autonomous agents in a virtual social environment (VSE). Participants from a community sample (N = 422; mean age = 29 years; mean relationship duration = 4.8 years) encountered three attachment‐related key scenes in a VSE: a separation with a subsequent reunion, a conflict, and an illness. In these scenarios, participants gave instructions to the main character (the “protagonist”), who had a romantic relationship with one of the other agents (the “virtual spouse”). Recorded were numerous behaviors as well as emotions participants ascribed to the protagonist. Generally, participants' attachment styles correlated as predicted with their behavior toward the virtual spouse, with βs up to.42. Thus, the study demonstrates that internal working models are transferred to the virtual relationship. This approach opens new ways to investigate attachment‐related behavior by using VSEs that allow experimental variations of the virtual partner's reactions and other situational variables. 相似文献
35.
Listeners perceive speech sounds relative to context. Contextual influences might differ over hemispheres if different types of auditory processing are lateralized. Hemispheric differences in contextual influences on vowel perception were investigated by presenting speech targets and both speech and non-speech contexts to listeners’ right or left ears (contexts and targets either to the same or to opposite ears). Listeners performed a discrimination task. Vowel perception was influenced by acoustic properties of the context signals. The strength of this influence depended on laterality of target presentation, and on the speech/non-speech status of the context signal. We conclude that contrastive contextual influences on vowel perception are stronger when targets are processed predominately by the right hemisphere. In the left hemisphere, contrastive effects are smaller and largely restricted to speech contexts. 相似文献
36.
This article tests the hypothesis that a lack of experiences of relatedness is linked to negative outcomes such as envy and indirect aggression in particular if individuals are characterized by a high implicit affiliation-intimacy motive. Assumptions were examined in a sample of 273 adults from Germany and Cameroon. Components of the affiliation-intimacy motive, i.e., needs for affiliation and intimacy, were assessed with a picture story exercise. Additionally, participants reported on experiences of relatedness, indirect aggression, and envy. Low experiences of relatedness are associated with enhanced levels of envy and indirect aggression among individuals with a pronounced implicit affiliation-intimacy motive. Those effects hold true across cultural groups. Findings point to the prominent role of the implicit affiliation-intimacy motive for interpersonal emotions and behavior. 相似文献
37.
Four visual-world experiments, in which listeners heard spoken words and saw printed words, compared an optimal-perception account with the theory of phonological underspecification. This theory argues that default phonological features are not specified in the mental lexicon, leading to asymmetric lexical matching: Mismatching input (pin) activates lexical entries with underspecified coronal stops (tin), but lexical entries with specified labial stops (pin) are not activated by mismatching input (tin). The eye-tracking data failed to show such a pattern. Although words that were phonologically similar to the spoken target attracted more looks than did unrelated distractors, this effect was symmetric in Experiment 1 with minimal pairs (tin-pin) and in Experiments 2 and 3 with words with an onset overlap (peacock-teacake). Experiment 4 revealed that /t/-initial words were looked at more frequently if the spoken input mismatched only in terms of place than if it mismatched in place and voice, contrary to the assumption that /t/ is unspecified for place and voice. These results show that speech perception uses signal-driven information to the fullest, as was predicted by an optimal perception account. 相似文献
38.
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
39.
40.
Daniela Oertig Julia Schüler Veronika Brandstätter Adam A. Augustine 《Journal of personality》2014,82(3):171-181
In the present research, we conducted two studies designed to examine the joint influence of avoidance temperament and avoidance‐based achievement goals on the experience of flow on a creativity task. In both a laboratory study (N = 101; Mage = 22.61, SDage = 4.03; 74.3% female) and a naturalistic study (N = 102; Mage = 16.23, SDage = 1.13; 48% female), participants high in avoidance temperament were shown to experience greater flow when performance‐avoidance goals were induced; no differences were found in any of the other three achievement goal conditions from the 2 × 2 achievement goal framework. These findings reveal a short‐term benefit for a disposition‐goal match grounded in avoidance motivation, and point to the need for more research on both avoidance‐based matches and the short‐term versus long‐term implications of such matches. 相似文献