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81.
Jake Linardon John Gleeson Keong Yap Kylie Murphy Leah Brennan 《Cognitive behaviour therapy》2019,48(1):15-38
Third-wave behavioural interventions are increasingly popular for treating and preventing mental health conditions. Recently, researchers have begun testing whether these interventions can effectively targeting eating disorder risk factors (disordered eating, body image concerns). This meta-analysis examined whether third-wave behavioural interventions (acceptance and commitment therapy; dialectical behaviour therapy; mindfulness-based interventions; compassion-focused therapy) show potential for being effective eating disorder prevention programs, by testing their effects on eating disorder risk factors in samples without an eating disorder. Twenty-four studies (13 randomized trials) were included. Most studies delivered selective prevention programs (i.e. participants who reported elevated risk factor). Third-wave interventions led to significant pre–post (g = 0.59; 95% CI = 0.43, 0.75) and follow-up (g = 0.83; 95% CI = 0.38, 1.28) improvements in disordered eating, and significant pre–post improvements in body image (g = 0.35; 95% CI = 0.13, 0.56). DBT-based interventions were associated with the largest effects. Third-wave interventions were also significantly more efficacious than wait-lists (g = 0.39; 95% CI = 0.09, 0.69) in reducing disordered eating, but did not differ to other interventions (g = 0.25; 95% CI = –0.06, 0.57). Preliminary evidence suggests that third-wave interventions may have a beneficial effect in ameliorating eating disorder risk. 相似文献
82.
Listeners are faced with enormous variation in pronunciation, yet they rarely have difficulty understanding speech. Although much research has been devoted to figuring out how listeners deal with variability, virtually none (outside of sociolinguistics) has focused on the source of the variation itself. The current experiments explore whether different kinds of variation lead to different cognitive and behavioral adjustments. Specifically, we compare adjustments to the same acoustic consequence when it is due to context-independent variation (resulting from articulatory properties unique to a speaker) versus context-conditioned variation (resulting from common articulatory properties of speakers who share a dialect). The contrasting results for these two cases show that the source of a particular acoustic-phonetic variation affects how that variation is handled by the perceptual system. We also show that changes in perceptual representations do not necessarily lead to changes in production. 相似文献
83.
84.
David Pollard Paola Parmendola Linda Brennan Pierre Desrochers David Ellerman Rodrigo Firmino Ph.D. student François Therin Carl Hausler Moeketsi Letseka Rias van Wyk Kalpana David Jon W. Beard Ph.D. Kalpana David Andrej Pinter Daniel Hillyard John Magney Kai Jakobs 《Knowledge, Technology, and Policy》2003,16(2):96-145
85.
Francis X. Brennan Kevin D. Beck Richard J. Sevatius 《Integrative psychological & behavioral science》2002,38(1):36-44
Leverpress escape/avoidance is an excellent model for assessing coping in rats. Acquisition of the leverpress response is
determined by the interstimulus (signal-shock) interval, as well as the type and duration of the aversive event. One factor
that has received less research attention is the safety or feedback signal. The safety signal presumably negatively reinforces
leverpress responding through fear reduction. Here, we present a parametric manipulation of safety signal length and avoidance
performance. All rats were trained with a 60-s tone conditioned stimulus and an intermittent 1-s, 1.0-mA footshock. Training
was further accomplished with a 1−, 2−, 4−, or 6-min safety signal. Acquisition of the avoidance response was comparable at
all safety signal durations. Rats trained with the shortest safety signal (1 min) exhibited more leverpresses during the safe
period, a measure of anxiety. Thus, acquisition of the leverpress avoidance response was efficient regardless of safety signal
duration, even though shorter periods were associated with greater anxiety. 相似文献
86.
Catherine P. Bradshaw Anne L. Sawyer Lindsey M. O’Brennan 《American journal of community psychology》2009,43(3-4):204-220
Social disorganization theory suggests that certain school-level indictors of disorder may be important predictors of bullying-related attitudes and behaviors. Multilevel analyses were conducted on bullying-related attitudes and experiences among 22,178 students in 95 elementary and middle schools. The intraclass correlation coefficients indicated that 0.6–2% of the variance in victimization, 5–10% of the variance in retaliatory attitudes, 5–6% of the variance in perceptions of safety, and 0.9% of the variance in perpetration of bullying was associated with the clustering of students within schools. Although the specific associations varied somewhat for elementary schools as compared to middle schools, the hierarchical linear modeling analyses generally suggested that school-level indicators of disorder (e.g., student–teacher ratio, concentration of student poverty, suspension rate, and student mobility) were significant predictors of bullying-related attitudes and experiences. Student-level characteristics (i.e., sex, ethnicity, status in school) were also relevant to students’ retaliatory attitudes, perceptions of safety, and involvement in bullying. Implications for school-based research and violence prevention are provided. 相似文献
87.
88.
Using a simulated employment contract negotiation, this study examined the relationship between negotiation strategies and the quality of negotiated outcomes. A log‐linear analysis showed that the frequency and sequencing of strategies was systematically related to negotiation outcomes. Impasse negotiations were characterized by the frequent use of contention and sequences that paired similar (either cooperative or competitive) strategies. Settlement was associated with decreased contention and the use of sequences that paired dissimilar strategies. Increasing joint gain was linked to the introduction of priority information and conciliation as well as to changes in the pattern of information exchange: Reciprocal and indirect (positional) information exchange led to low joint gain, whereas reciprocal and direct (priority) information exchange led to high joint gain. 相似文献
89.
90.
Age differences in within-session habituation of exploratory behavior: effects of stimulus complexity 总被引:1,自引:0,他引:1
M J Brennan D Allen D Aleman E C Azmitia D Quartermain 《Behavioral and neural biology》1984,42(1):61-72
The effects of age on the habituation of exploratory behavior of 8-month- and 28-month-old male C57BL/NNia mice were examined under three different stimulus complexity conditions. Increases in the degree of stimulus complexity resulted in an attenuation of between-session habituation and an initial disruption of within-session habituation by 8-month-old mice. Although increases in stimulus complexity also resulted in an increase in the overall level of exploration by aged mice, stimulus complexity was not found to have a systematic effect on between- or within-session habituation by aged mice. No between-session habituation was observed in aged mice under any of the stimulus complexity conditions. Further, aged mice exhibited significant within-session increases, rather than decreases, in exploration under each stimulus complexity condition. This disruption of within-session habituation in aged mice was found to persist over four daily test sessions. In view of the specific patterns of exploration by aged mice, the disruption of within-session habituation was attributed to age-related differences in reactivity to the arousal-inducing properties of novel stimuli. 相似文献