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61.
Barker ED Tremblay RE van Lier PA Vitaro F Nagin DS Assaad JM Séguin JR 《Aggressive behavior》2011,37(1):63-72
There is growing evidence that among the different conduct disorder (CD) behaviors, physical aggression, but not theft, links to low neurocognitive abilities. Specifically, physical aggression has consistently been found to be negatively related to neurocognitive abilities, whereas theft has been shown to be either positively or not related to neurocognition. The specificity of these links needs further examination because attention deficit hyperactivity disorder (ADHD) links to both physical aggression and neurocognitive variation. The development of self-reported physical aggression and theft, from age 11 to 17 years, was studied in a prospective at-risk male cohort via a dual process latent growth curve model. Seven neurocognitive tests at age 20 were regressed on the growth parameters of physical aggression and theft. The links between neurocognition and the growth parameters of physical aggression and theft were adjusted for ADHD symptoms at ages 11 and 15 (parent, child and teacher reports). Results indicated that verbal abilities were negatively related to physical aggression while they were positively associated with theft. However, inductive reasoning was negatively associated with increases in theft across adolescence. Symptoms of ADHD accounted for part of the neurocognitive test links with physical aggression but did not account for the associations with theft. These differences emphasize the importance of examining specific CD behaviors to better understand their neurodevelopmental mechanisms. They also suggest that youth who engage in different levels of physical aggression or theft behaviors may require different preventive and corrective interventions. 相似文献
62.
Tremblay S Nicholls AP Alford D Jones DM 《Journal of experimental psychology. Learning, memory, and cognition》2000,26(6):1750-1754
Memory for order is markedly impaired by the presence of irrelevant sound, even though participants are instructed to ignore the sound. Although a great deal of research has disclosed some features of the task and of the sound that augment or reduce the degree of interference, one important issue of the irrelevant sound effect not yet resolved is whether speech has a special status. This study revealed, within a design of adequate power, that the same physical stimulus (sine wave speech), whether perceived as speech or as nonspeech sound, produces similar degrees of disruption and is less disruptive of serial recall than natural speech. This outcome suggests that the acoustic constituents of sound rather than its source are most influential in determining the impact of irrelevant material. 相似文献
63.
This study investigates the claim that the disruption of comprehension by irrelevant sound is qualitatively different from that of short-term memory for order. Both meaningful and meaningless speech disrupted the comprehensive aspect of the task, but the effect of meaningful speech was significantly greater. Both rehearsal and semantic processing, which are involved in reading comprehension, seem to be susceptible to disruption by irrelevant meaningful speech. The study provides some evidence to suggest that the presence of meaning in the irrelevant sound in creases disruption of performance in cognitive tasks that also call upon processing of meaning. 相似文献
64.
The approach to the irrelevant sound effect by Neath (2000) is discussed in terms of the contrast between content-based and process-based interference. Four themes are highlighted: First, problematic features of the feature model are highlighted; second, results not considered by Neath are presented; third, empirical underpinnings of the feature model not related to the irrelevant-sound effect are questioned; last, the parsimony of the feature model is questioned. The balance of the evidence seems to be in favor of a process-based approach, on the grounds that it provides a comprehensive account of acoustic and taskbased factors within the irrelevant sound effect, for both speech and nonspeech sound. 相似文献
65.
Episodic autobiographical memory in depression: Specificity, autonoetic consciousness, and self-perspective 总被引:1,自引:0,他引:1
Lemogne C Piolino P Friszer S Claret A Girault N Jouvent R Allilaire JF Fossati P 《Consciousness and cognition》2006,15(2):258-268
Autobiographical memory (AM) and the self are closely linked. AM retrieval in depression is characterized by a lack of specificity, suggesting an impairment of episodic AM. Autonoetic consciousness and self-perspective, which are critical to episodic AM, have never been addressed in depression. Twenty-one depressed inpatients and 21 matched controls were given an episodic AM task designed to assess positive and negative memories regarding specificity, autonoetic consciousness (remember/know procedure), and self-perspective (field/observer procedure). For specificity, "remember", and "field" responses, ANOVAs revealed a main group effect and a group x valence interaction. Between groups, patients showed lower scores than controls for positive memories. Within groups, patients showed greater scores for negative memories, and controls showed greater scores for positive memories. There is a global episodic AM impairment of positive memories in depression regarding specificity, autonoetic consciousness, and self-perspective. Our results suggest new cognitive interventions to improve the self-relevance of positive memories in depression. 相似文献
66.
The research goals were to use the constructs of harm and intent to quantify the severity of aggression in the real-world setting of the bar/club, to describe the range of aggressive behaviors and their relationship to harm and intent, and to examine gender differences in the form and severity of aggression. Systematic observations were conducted by trained observers on 1,334 nights in 118 bars/clubs. Observers documented a range of aggressive acts by 1,754 patrons in 1,052 incidents, with many forms of aggression occurring at more than one harm and intent level. Women used different forms of aggression, inflicted less harm, and were more likely to have defensive intent compared with men. Implications of the findings for research and measurement of aggression and applications to preventing aggression and violence are discussed. 相似文献
67.
The study identified independent individual, family, and neighborhood correlates of children's physical aggression and prosocial
behavior. Participants were 2,745 2–11-year olds nested in 1,982 families, which were themselves nested in 96 Canadian neighborhoods.
Hierarchical linear modeling showed that the total variation explained by the three-level model was 28.03% for physical aggression
and 17.57% for prosocial behavior. For both childhood behaviors, approximately 66% of this explained variance was between
individuals and up to 30% was between families. The smallest amount of observed variation was between neighborhoods. Significant
individual-level predictors common to both childhood behaviors were child's sex and maternal hostility toward the target child.
Specifically, boys had more mother-reported physical aggression and less prosocial behavior. Children who experienced greater-than-average
maternal hostility (compared to siblings) were more physically aggressive and less prosocial. At the family level, significant
common predictors were mother depressed mood and punitive parenting. Children had higher levels of physical aggression and
lower levels of prosocial behavior in families where mothers had greater depressed mood and used more punitive parenting practices.
At the neighborhood level, greater perceived problems and lower poverty level were associated with higher levels of physical
aggression. Results are discussed with reference to past and future studies of multilevel effects on children's socialization. 相似文献
68.
Chokron S Bartolomeo P Colliot P Brickman AM Tabert M Wei T Buchsbaum MS 《Brain and cognition》2003,53(2):158-161
When two visual events appear consecutively in the same spatial location, our response to the second event is slower than to the first. This inhibition for repeated events may reflect a bias toward sampling novel locations, a bias useful for exploring visual space. It has been shown that the left hemisphere is more specialized in selective attentional processes than the right one. The aim of the present experiment was to test if this hemispheric specialization for selective attention may also affect the inhibition for repeated events. For this purpose, we asked 11 normal subjects to perform an identity-based discrimination task in which the target to be detected could appear alone or surrounded by flanking letters, in the left or in the right visual field. Results show that inhibition for repeated events is present only when selective attention is required and when the task is performed in the right specialized visual field. 相似文献
69.
Three experiments were conducted to examine the effects of extraneous speech warnings (i.e., low-priority warnings initiated during high-priority tasks) on cognitive performance and whether organizing the auditory warnings into streams can attenuate any disruption. Experiment 1 demonstrated that a variety of speech warnings can be separated into perceptually distinct streams by allocating them to discrete spatial locations. Experiment 2 showed that increasing the rate of presentation of the warnings to promote streaming decreased clarity ratings but increased perceived urgency ratings. Experiment 3 demonstrated that the disruption to serial memory for navigational information by extraneous speech warnings could be attenuated by streaming. Results are interpreted in light of previous research, and practical implications for auditory warning design are discussed. 相似文献
70.
Serge Larive Sylvie Normandeau Thrse Bouffard-Bouchard Thrse Peyrade Sophie Parent Richard-E. Tremblay 《International journal of psychology》1994,29(3):367-391
Seventy-one families from a low socio-economic background, each with a son at risk of developing psychosocial problems at the onset of the study, were observed three times over a six-year period while solving a combinatorial task presented on a microcomputer. The permutations task was used to gather information with regard to cognitive functioning and cognitive self-regulation of the families, which were observed as a developmental unit. Cognitive functioning was assessed according to three variables: cognitive strategies, performance, and completion of the task. Six self-regulatory activities were assessed: task definition, planning, supervision, evaluation, parental support, and sharing of responsibilities. Although inefficient strategies were mainly used across the six years, the cognitive level of functioning improved over the years. Cognitive self-regulatory activities most often used across time were supervision and parental support. Differences were observed in the three time periods for supervision, task definition, parental support, and individual involvement. Results indicated a link between cognitive strategies used by the families to solve the task and their self-regulatory activities. Results are interpreted within both the Piagetian and Vygotskian perspectives. Families' cognitive self-regulatory activities observed in this study are an example of parental disengagement and children's growing involvement in a joint activity. 相似文献