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401.
To contribute to the ongoing conceptual debate of what traditional mean-level ongoing task (OT) costs tell us about the attentional processes underlying prospective memory (PM), we investigated costs to intraindividual variability (IIV) in OT response times as a potentially sensitive indicator of attentional processes. Particularly, we tested whether IIV in OT responses may reflect controlled employment of attentional processes versus lapses of controlled attention, whether these processes differ across adulthood, and whether it is moderated by cue focality. We assessed 150 individuals (19–82 years) in a focal and a nonfocal PM condition. In addition, external measures of inhibition and working memory were assessed. In line with the predictions of the lapses-of-attention/inefficient-executive-control account, our data support the view that costs to IIV in OT trials of PM tasks reflect fluctuations in the efficiency of executive functioning, which was related to failures in prospective remembering, particularly in nonfocal PM tasks, potentially due to their increased executive demands. The additional value of considering costs to IIV over and beyond traditional mean-level OT costs in PM research is discussed. 相似文献
402.
Monitoring is involved in many daily tasks and is described in several theoretical approaches of executive functioning. This study investigated the relative relationship of cognitive processes that are theoretically relevant to monitoring, such as concept formation, reasoning, working memory, and general cognitive control functions. Data from 699 participants who performed the Balanced Switching Task, aiming at capturing monitoring, were used. Subsamples also performed standard tasks assessing the processes assumed to be related to monitoring. Structural equation modeling revealed that general cognitive control processes are particularly relevant. They mediate the relationship between working memory, reasoning, and monitoring. Updating and maintaining information, as well as concluding from information which strategies can guide behavior toward predefined goals, is required for the ability to exert general cognitive control, which again may be relevant for implementing strategies in a goal-directed way. Together, these processes seem to be necessary to adequately monitor behavior in complex tasks. 相似文献
403.
Time is grounded in various ways, and previous studies point to a “mental time line” with past associated with the left, and future with the right side. In this study, we investigated whether spontaneous eye movements on a blank screen would follow a mental timeline during encoding, free recall, and recognition of past and future items. In all three stages of processing, gaze position was more rightward during future items compared to past items. Moreover, horizontal gaze position during encoding predicted horizontal gaze position during free recall and recognition. We conclude that mental time line and the stored gaze position during encoding assist memory retrieval of past versus future items. Our findings highlight the spatial nature of temporal representations. 相似文献
404.
Science and Engineering Ethics - Is there a difference between human beings and those based on artificial intelligence (AI) that would affect their ability to be subjects of (human-like) dignity?... 相似文献
405.
406.
We provide a basic, step-by-step introduction to the core concepts and mathematical fundamentals of dynamic systems modelling through applying the Change as Outcome model, a simple dynamical systems model, to personality state data. This model characterizes changes in personality states with respect to equilibrium points, estimating attractors and their strength in time series data. Using data from the Personality and Interpersonal Roles study, we find that mean state is highly correlated with attractor position but weakly correlated with attractor strength, suggesting strength provides added information not captured by summaries of the distribution. We then discuss how taking a dynamic systems approach to personality states also entails a theoretical shift. Instead of emphasizing partitioning trait and state variance, dynamic systems analyses of personality states emphasize characterizing patterns generated by mutual, ongoing interactions. Change as Outcome modelling also allows for estimating nuanced effects of personality development after significant life changes, separating effects on characteristic states after the significant change and how strongly she or he is drawn towards those states (an aspect of resiliency). Estimating this model demonstrates core dynamics principles and provides quantitative grounding for measures of ‘repulsive’ personality states and ‘ambivert’ personality structures. © 2020 European Association of Personality Psychology 相似文献
407.
A persistently pressing issue identified in the decision-making literature is that people not only fail to recognize the risks entailed in a near-loss event but also subsequently engage in further risk-taking. We contend in this paper that prevention motivation critically regulates decision-makers' responses to a near-loss. Across three studies, we found that high prevention-focused individuals perceive greater risks in a near-loss event and are subsequently less likely to take risks, compared with low prevention-focused individuals. This finding highlights the significance of applying a motivational perspective to studying decision-making and risk. 相似文献
408.
Prospective memory (PM) reflects the product of cognitive processes associated with the formation, retention, delayed initiation, and execution of intentions. It has been proposed that developmental changes in PM across the lifespan are heavily dependent upon the developmental trajectory of executive control functions. This study is the first to apply a complex PM task to children, young adults, and older adults. The procedure allows for the assessment of each of the 4 phases of PM. During intention execution, the authors additionally manipulated whether participants had to actively interrupt attention to the current 'ongoing' task in order to switch to the execution of the next intended task. Group differences mirroring inverted U-shaped functions were observed in those phases conceptualized as relying on executive control (intention formation, initiation, and execution). Age differences in intention execution were substantially greater when active task interruption was necessary. The current study provides the first evidence of growth and decline of complex PM across the lifespan and suggests that the degree of inhibitory control needed to succeed in the task may be one factor underlying this development. 相似文献
409.
Ingo Aberle Matthias Kliegel Daniel Zimprich 《Current psychology (New Brunswick, N.J.)》2008,27(1):6-15
In the present study, we investigated cognitive status and cognitive development in young-old Type-2 diabetes patients. Extending
previous research, using the sample of the ILSE study (“Interdisciplinary Longitudinal Study of Aging”), we applied a comprehensive
cognitive test battery to 38 Type-2 diabetes patients (mean age at T1: 63 years) and 421 control participants and tested both
cognitive status and longitudinal changes after four years in several cognitive domains (crystallized intelligence, verbal
memory, visual memory, executive functioning, psychomotor speed, and fluid intelligence). Results revealed no cross-sectional
group differences in any cognitive domain at T1 nor at T2. However, testing group differences in intraindividual change over
time, reliable group differences in the change of crystallized intelligence and fluid intelligence were revealed. While controls
improved in crystallized intelligence as well as in fluid intelligence over time, diabetes patients’ performance decreased.
The results demonstrate that in young-old adults the effects of diabetes on cognition may only be detected by analyzing within-person
changes instead of mean level differences.
相似文献
Matthias KliegelEmail: URL: http://tu-dresden.de/mn/psy/epsy |
410.
Griego JA Kliegel M 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2008,15(1):1-30
Function concept learning and knowledge use was explored across adulthood. During training older and younger adults predicted an amount of physiological arousal produced as a negative and positive function of a chemical substance. Knowledge use was evaluated with two transfer conditions requiring a switch between contextual contingencies: a relationship inversion, predicting the chemical amount given the physiological arousal, and a change from graphic based to text based stimuli. Older adults were impaired in applying the negative slope concept. However, there was no relative deficit in switching between the negative and positive function slopes or inverting the learned relationship. Our results suggest that age-related differences in relational reasoning tasks vary not only with processing efficiency, but also task related conceptual knowledge. 相似文献