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511.
《Quarterly journal of experimental psychology (2006)》2013,66(3):465-478
We examined age-related changes of executive functions by means of random noun generation. Consistent with previous observations on random letter generation, older participants produced more prepotent responses than younger ones. In the case of random noun generation, prepotent responses are nouns of the same category as the preceding noun. In contrast to previous observations, older participants exhibited stronger repetition avoidance and a stronger tendency toward local evenness—that is, toward equal frequencies of the alternative responses even in short subsequences. These data suggest that at higher adult age inhibition of prepotent responses is impaired. In addition, strategic attentional processes of response selection are strengthened, in particular the application of a heuristic for randomness. In this sense response selection is more controlled in older than in younger adults. 相似文献
512.
《Journal of Cognitive Psychology》2013,25(4):367-386
This address provides a review of evidence for a deconstruction of executive functions, the set of cognitive operations which allow goal-directed behaviour. The underlying working hypothesis is that some complementary and computationally diverse executive functions are dissociable not only functionally but also temporally and anatomically, along the left-right axis of prefrontal cortex and related neural networks. In particular, criterion setting—the capacity to flexibly set up and select task rules—is more left-lateralised; monitoring—the process of continuously evaluating the internal or external contingencies to optimise behaviour—is more right-lateralised; finally, superior medial prefrontal regions, including dorsal anterior cingulate cortex, play a role in energising weakly activated but relevant processes. Several lines of empirical evidence, including neuroimaging and neuropsychological findings, are presented to support this tripartite model of executive functions. Evidence which is difficult to explain with this model and some future directions are also discussed. 相似文献
513.
Richard A. Chechile 《Journal of mathematical psychology》2013,57(5):196-214
A general comparison is made between the multinomial processing tree (MPT) approach and a strength-based approach for modeling recognition memory measurement. Strength models include the signal-detection model and the dual-process model. Existing MPT models for recognition memory and a new generic MPT model, called the Multistate (MS) model, are contrasted with the strength models. Although the ROC curves for the MS model and strength model are similar, there is a critical difference between existing strength models and MPT models that goes beyond the assessment of the ROC. This difference concerns the question of stochastic mixtures for foil test trials. The hazard function and the reverse hazard function are powerful methods for detecting the presence of a probabilistic mixture. Several new theorems establish a novel method for obtaining information about the hazard function and reverse hazard function for the latent continuous distributions that are assumed in the strength approach to recognition memory. Evidence is provided that foil test trials involve a stochastic mixture. This finding occurred for both short-term memory procedures, such as the Brown–Peterson task, and long-term list-learning procedures, such as the paired-associate task. The effect of mixtures on foil trials is problematic for existing strength models but can be readily handled by MPT models such as the MS model. Other phenomena, such as the mirror effect and the effect of target-foil similarity, are also predicted accurately by the MPT modeling framework. 相似文献
514.
《Estudios de Psicología》2013,34(1):117-130
AbstractThis Special Issue on the study of ambivalent processes in psychology integrates issues from contemporary evolutionary, cognitive, and cultural psychology with new directions of formal models that are available in qualitative mathematics. Tribute is paid to the pioneer of the study of ambivalence—Else Frenkel-Brunswik. Her work antedates most of our contemporary efforts in this field. Becoming free from the limits of its obsession with numbers in lieu of “measurement”, psychology at our time faces the challenge of investigation of dynamic psychological complexity. Contemporary mathematics—which is qualitative in its nature—provides new opportunities for psychology. New mathematical models—based on topology (Morse functions) and from intuitionistic formal logic (theory of locales)—are shown to provide promising new directions for future research on ambivalence. The emphasis on mathematical tools as enablement devices for psychological theorizing leads psychology to the need to create new kinds of generalized understanding of complex psychological processes. 相似文献
515.
This study is the first to compare event-based prospective memory performance in individuals with depression and healthy controls. The degree to which self-initiated processing is required to perform the prospective memory task was varied. Twenty-eight individuals with depression and 32 healthy controls worked on a computerised prospective memory task. Prospective cues were either presented focally or non-focally to the ongoing activity. Collapsing data across both conditions, controls outperformed individuals with depression in the prospective memory task. Overall, participants showed a poorer prospective memory performance in the non-focal condition that required self-initiated processing to a higher degree than the focal condition. Importantly, as revealed by a group by task condition interaction, groups did not differ in the focal condition, whereas, controls outperformed individuals with depression in the non-focal condition. The results are in line with the multiprocess framework of event-based prospective remembering and the cognitive-initiative account of depression-related cognitive deficits. 相似文献
516.
John P. Meyer Chester Kam Irina Goldenberg Nicholas L. Bremner 《Military psychology》2013,25(4):381-401
According to the 3-component model of commitment, the individual components of commitment—affective (AC), normative (NC), and continuance (CC)—combine to form profiles, and these profiles have different implications for behavior and well-being. We tested these propositions in a military context and also examined conditions (perceived organizational support, organizational justice, job satisfaction, and satisfaction with leadership) that might contribute to the development of commitment profiles. Latent profile analyses of data from 6,501 respondents to the 2010 Canadian Forces Retention Survey revealed 6 distinct profiles. Personnel with profiles reflecting strong AC and NC reported the most favorable work conditions, stay intentions, and well-being; uncommitted personnel and those with CC-dominant profiles reported the least favorable conditions, were most active in job search activities, and scored highest on anxiety and depression. The value of taking a profile approach, and the implications of managing work conditions to promote optimal profiles, are discussed. 相似文献
517.
Verbal fluency tasks are commonly used in cognitive and developmental neuropsychology in assessing executive functions, language skills as well as divergent thinking. Twenty-two typically developing children and 22 children with ADHD between the ages of 8 and12 years were examined using verbal fluency tasks, prepotent response inhibition, and working memory tests. The clinical group showed impaired inhibitory and spatial working memory processes. We used different qualitative analyses of verbal fluency tasks to explore the lexical and executive strategies (word clustering and switching), and the temporal properties of the responses. Children with ADHD had a leeway in applying relevant lexical or executive strategies related to difficulties in strategy using. The reduced efficiency of children with ADHD in semantic fluency task is based on suboptimal shifting between word clusters and is related to the lack of ability of producing new clusters of items. The group difference appeared at the level of accessing and/or activating common words; however, the executive process of searching the lexicon extensively is intact. 相似文献
518.
Social deficits are prevalent in Turner syndrome (TS); however, the extent to which these difficulties are secondary to characteristic cognitive impairments is not well known. Here, we sought to establish the relative contribution of executive functions, visuospatial abilities, and IQ to social difficulties in young girls with TS. Forty TS girls and 19 typically developing (TD) children were assessed with the Social Responsiveness Scale (SRS), the Motor-Free Visual Spatial Test (MVPT-3), the Behavior Rating Inventory of Executive Function (BRIEF), and an IQ test. Hierarchical multiple regression analyses were conducted with the SRS subscales as outcome variables. In a first step, the cognitive factors were entered (verbal IQ, BRIEF global score, MVPT-3, and age), followed by the group variable in a second step. In comparison to TD, TS participants were significantly impaired on all main measures. All six regression models with the SRS subscales were significant and revealed that global executive functions explained the largest portion of the variance on all subscales and the total score. Even after controlling for cognitive elements, the group factor still explained a significant portion of the variance of the Social Cognition, Social Awareness, and Autistic Mannerisms subscales. In contrast, the group factor was not a significant predictor of Social Motivation and Social Communication scores. These results suggest that executive dysfunctions play a role in social impairments encountered in TS, but also that some specific aspects of social behavior are altered beyond what can be attributed to cognitive difficulties in this population. 相似文献
519.
Annette Holth Skogan Pål Zeiner Jens Egeland Nina Rohrer-Baumgartner Anne-Grethe Urnes Ted Reichborn-Kjennerud 《Child neuropsychology》2013,19(5):607-624
Background: Early symptoms of attention deficit/hyperactivity disorder (ADHD) and oppositional-defiant disorder (ODD) are associated with deficits in cognitive self-regulatory processes or executive functions (EF)s. However, the hypothesis that neurocognitive deficits underlying the two disorders are already evident during early preschool years still has limited empirical support. The present study investigated associations between symptoms of ADHD and/or ODD and two core EFs, inhibition and working memory, in a large nonclinical sample of 3-year old children. Method: Participants were 1045 children (554 boys, age 37–47 months), recruited from the population based Norwegian Mother and Child Cohort Study (MoBa). Relations between behavioral symptoms and measures of inhibition and working memory were studied both categorically and dimensionally. Results: Children with co-occurring symptoms of ADHD and ODD performed at a significantly lower level than typically developing children in 4 out of 5 EF measures. Symptoms of ADHD, both alone and in combination with ODD, were associated with reduced performance on tests of inhibition in the group comparisons. Dimensional analyses showed that performance within both EF domains contributed to variance primarily in ADHD symptom load. The associations between test results and behavioral symptoms remained significant after gender and verbal skills had been controlled. Conclusion: Young preschoolers show the same pattern of relations between EF and behavioral symptoms of ADHD and/or ODD as previously described in older children diagnosed with ADHD and/or ODD. Effect sizes were generally small, indicating that measures of EF have limited clinical utility at this stage in development. 相似文献
520.
Eva Michel Marianne Roethlisberger Regula Neuenschwander Claudia M. Roebers 《Child neuropsychology》2013,19(2):151-172
The current study presents a 1-year follow-up investigation of the development of executive functions (i.e., inhibition, updating, and shifting) in children with motor coordination impairments. Cognitive and motor coordination skills of children (N = 94) aged between 5 and 7 years with and without motor coordination impairments were compared. A second focus of the study was on pre-academic skills. The results indicate marked stability of motor coordination impairments and persistent executive functioning deficits in motor-impaired children. Inhibition and shifting performance was consistently lower, compared to the children without motor coordination impairments. Moreover, children with motor coordination impairments showed lower pre-academic skills, facing a substantial disadvantage at the beginning of formal schooling. The combined cognitive and motor problems may be the result of an underlying inhibition deficit or a general automation deficit. Implications for intervention are discussed. 相似文献