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11.
The perceptually bistable character of point-light walkers has been examined in three experiments. A point-light figure without explicit depth cues constitutes a perfectly ambiguous stimulus: from all viewpoints, multiple interpretations are possible concerning the depth orientation of the figure. In the first experiment, it is shown that non-lateral views of the walker are indeed interpreted in two orientations, either as facing towards the viewer or as facing away from the viewer, but that the interpretation in which the walker is oriented towards the viewer is reported more frequently. In the second experiment the point-light figure was walking backwards, making the global orientation of the point-light figure opposite to the direction of global motion. The interpretation in which the walker was facing the viewer was again reported more frequently. The robustness of these findings was examined in the final experiment, in which the effects of disambiguating the stimulus by introducing a local depth cue (occlusion) or a more global depth cue (applying perspective projection) were explored. 相似文献
12.
Dougherty DM Mathias CW Marsh DM Papageorgiou TD Swann AC Moeller FG 《Suicide & life-threatening behavior》2004,34(4):374-385
The purpose of this study was to examine the relationship between laboratory behavioral measured impulsivity (using the Immediate and Delayed Memory Tasks) and suicidal attempt histories. Three groups of adults were recruited, those with either: no previous suicide attempts (Control, n = 20), only a single suicide attempt (Single, n = 20), or multiple suicidal attempts (Multiple, n = 10). As hypothesized, impulsive responses increased with the number of suicide attempts (Control < Single < Multiple). This study helps to demonstrate how laboratory behavioral measures of impulsivity can be used to discriminate groups based on suicidal histories among samples not currently exhibiting significant suicidal behaviors. 相似文献
13.
This study is one in a series investigating the relationship between impulsive behavior on a Continuous Performance Test (i.e., the Immediate and Delayed Memory Task) and other cognitive deficits measured by clinical instruments. Forty-two adolescents were selected for two groups, controls and hospitalized patients with disruptive behavior disorders. Each adolescent completed the Immediate and Delayed Memory Task and the Benton Visual Retention Test. Our main findings were that, even when controlling for IQ, the Immediate and Delayed Memory Task commission errors were associated with adverse Benton performance, but only in the patient group. These results may be explained by a shared association between processes of impulsivity and other deficits of executive control that may interfere with successful performance of the Benton. 相似文献
14.
Mathias CW Michael Furr R Sheftall AH Hill-Kapturczak N Crum P Dougherty DM 《Suicide & life-threatening behavior》2012,42(3):341-351
Both researchers and oversight committees share concerns about patient safety in the study-related assessment of suicidality. However, concern about assessing suicidal thoughts can be a barrier to the development of empirical evidence that informs research on how to safely conduct these assessments. A question has been raised if asking about suicidal thoughts can result in iatrogenic increases of such thoughts, especially among at-risk samples. The current study repeatedly tested suicidal ideation at 6-month intervals for up to 2-years. Suicidal ideation was measured with the Suicidal Ideation Questionnaire Junior, and administered to adolescents who had previously received inpatient psychiatric care. Change in suicidal ideation was tested using several analytic techniques, each of which pointed to a significant decline in suicidal ideation in the context of repeated assessment. This and previous study outcomes suggest that asking an at-risk population about suicidal ideation is not associated with subsequent increases in suicidal ideation. 相似文献
15.
Marianne Steiner Mathias Allemand Michael E. McCullough 《Journal of research in personality》2011,(6):670-678
The present study examined age differences in the disposition to forgive others and the role of interpersonal transgression frequency and intensity. Data from a representative cross-sectional sample of Swiss adults (N = 451, age: 20–83 years) were used. Participants completed a self-report measure of forgivingness and indicated whether and how intense they have experienced different types of interpersonal transgressions during the past 12 months. Results indicate that older adults were, on average, more willing to forgive others than younger adults. Frequency and intensity of transgressions were negatively related with age. Moreover, the results show that transgression frequency and intensity explained, in part, age differences in forgivingness. Future directions concerning the meaning of age differences in forgivingness are discussed. 相似文献
16.
Mathias Lasgaard Luc GoossensRikke Holm Bramsen Tea TrillingsgaardAsk Elklit 《Journal of research in personality》2011,45(2):233-237
The present study investigated associations between loneliness in different social relationships and indicators of psychopathology in adolescence. A nationally representative sample of 1009 high school students completed measures of three types of loneliness and six indicators of psychopathology. Results indicated that peer-related and family-related loneliness were associated with depression, anxiety, and suicide ideation, whereas peer-related and romantic loneliness were associated with social phobia. In contrast, only family-related loneliness was associated with deliberate self-harm and eating disorders. It is important, therefore, to distinguish between experiences of loneliness in different social relationships, in particular the peer versus the family setting, when investigating loneliness and psychopathology in adolescence. 相似文献
17.
Speech sounds can be classified on the basis of their underlying articulators or on the basis of the acoustic characteristics resulting from particular articulatory positions. Research in speech perception suggests that distinctive features are based on both articulatory and acoustic information. In recent years, neuroelectric and neuromagnetic investigations provided evidence for the brain's early sensitivity to distinctive features and their acoustic consequences, particularly for place of articulation distinctions. Here, we compare English consonants in a Mismatch Field design across two broad and distinct places of articulation - labial and coronal - and provide further evidence that early evoked auditory responses are sensitive to these features. We further add to the findings of asymmetric consonant processing, although we do not find support for coronal underspecification. Labial glides (Experiment 1) and fricatives (Experiment 2) elicited larger Mismatch responses than their coronal counterparts. Interestingly, their M100 dipoles differed along the anterior/posterior dimension in the auditory cortex that has previously been found to spatially reflect place of articulation differences. Our results are discussed with respect to acoustic and articulatory bases of featural speech sound classifications and with respect to a model that maps distinctive phonetic features onto long-term representations of speech sounds. 相似文献
18.
Personality traits are important predictors of relationship satisfaction. However, the majority of previous study findings are based on self‐perceptions of personality. Thus, by means of the self‐, partner‐, and meta‐perceptions of personality, the present study focused on three different perspectives on the Big Five personality traits to examine dyadic associations with relationship satisfaction of intimate couples. The study was based on the first measurement occasion of the Swiss longitudinal study ‘Co‐Development in Personality: Longitudinal Approaches to Personality Development in Dyads across the Life Span’ and included data of 216 couples. The main analyses were based on Actor‐Partner Interdependence Model. Three general findings emerged. First, the three personality perspectives represented related, albeit distinct, constructs, and showed incremental validity with respect to relationship satisfaction. Second, neuroticism was negatively related to relationship satisfaction, whereas agreeableness and conscientiousness were positively related to relationship satisfaction across all perspectives. Third, substantial associations between e xtraversion and relationship satisfaction were exclusively evident in terms of the partner‐ and meta‐perception. The present results contribute to the literature by showing that each perspective is essential for the understanding of the role of personality for relationship satisfaction. Copyright © 2014 European Association of Personality Psychology 相似文献
19.
Individual Differences in Antisocial Punishment in Public Goods Situations: The Interplay of Cortisol with Testosterone and Dominance 下载免费PDF全文
This research investigates which endocrinological and psychological factors are associated with individuals' tendency to engage in destructive antisocial punishment, that is, to costly punish cooperative individuals in public goods situations. In this work, we focus on the interplay of endogenous cortisol with testosterone and dominance. We applied the dual‐hormone hypothesis according to which testosterone is positively associated with destructive and dominant behavior but only in individuals with low levels of cortisol. Study 1 shows that individuals are more likely to engage in destructive antisocial punishment in a public goods game with the option to punish when their testosterone level is high, given that their level of cortisol is low, which bolsters the dual‐hormone hypothesis. In contrast, no significant interaction effect of testosterone and cortisol emerges for the punishment of uncooperative free‐riders (altruistic punishment). In a second study, we build on these findings and document that self‐reported dominance is only positively associated with antisocial punishment (but not with altruistic punishment) when cortisol is low. In sum, the results indicate the importance of taking endocrinological and psychological factors (and their interactions) into account in order to reach a comprehensive understanding of individuals' behavior in social dilemma situations. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
20.