cognitive control

认知控制
  • 文章类型: Journal Article
    目的:痛经是一个常见的问题,与日常功能的许多限制有关。关于月经疼痛对认知功能的暂时影响的研究有限。
    方法:进行了纵向试验研究。一组32名妇女接受了电话成人认知简短测试(BTACT)的测试,其中包括7项测量各种认知功能的测试。参与者都接受了常规测试,无痛的一天,也是他们时期最痛苦的一天。
    结果:在该时期最痛苦的一天的测量中,受试者在认知功能的几个领域表现出明显较低的结果。我们观察到抑制和认知控制下降,注意功能和处理速度。
    结论:这些结果为在月经疼痛的影响下经历认知困难提供了初步证据,并可能有助于提高对相关困难的认识。
    OBJECTIVE: Painful menstruation is a common problem associated with many limitations in day-to-day functioning. There is limited research on the temporary effects of menstrual pain on cognitive functioning.
    METHODS: A longitudinal pilot study was conducted. A group of 32 women was tested with the Brief Test of Adult Cognition by Telephone (BTACT), which consists of 7 tests measuring various cognitive functions. Participants were tested both on a regular, pain-free day and the most painful day of their period.
    RESULTS: The subjects displayed significantly lower results in several domains of cognitive functions during measurement on the most painful day of the period. We observed a decline in inhibitory and cognitive control, attention functioning and processing speed.
    CONCLUSIONS: The results provide tentative evidence for experiencing cognitive difficulties under the influence of menstrual pain and may contribute to raising awareness about related difficulties.
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  • 文章类型: Journal Article
    这项研究的目的是研究直接测量和父母评估的执行功能在预测儿童的学业成绩和社会发展之间的差异,并探讨同伴地位和社会能力在执行功能对社会行为影响中的中介作用。
    这项研究追踪了中国一所小学的106名一年级儿童,为期一年。使用SPSS26.0和AMOS21.0进行回归和中介分析以检验假设。
    首先,在比较直接测量和父母评估的执行功能的预测作用时,直接测量的执行功能在预测学业成绩方面发挥了更重要的作用,而父母评估的执行功能在预测社会发展方面发挥了更大的作用。第二,父母评估的执行功能主要通过社交能力和同伴地位影响社会行为,社交能力比同龄人地位起着更重要的中介作用。
    与以前的研究相比,本研究的结果为直接测量和父母评估的执行功能之间的关系和差异提供了更直接的证据,进一步表明它们具有不同的功效和预测目标,同时,本研究还描述了执行功能影响社会行为的途径:同伴地位和社会能力的中介作用。这表明,一方面,教育工作者或研究人员需要为自己的目的选择适当的执行功能措施,另一方面,为了促进儿童社会行为的发展,他们需要关注儿童执行功能的发展,社交能力和同伴关系。
    UNASSIGNED: The purpose of this study was to examine differences between directly measured and parent-evaluated executive function in predicting children\'s academic achievement and social development, and to explore the mediating roles of peer status and social competence in the effects of executive function on social behavior.
    UNASSIGNED: The study followed 106 first-grade children in an elementary school in China for one year. Regression and mediation analyses were conducted using SPSS 26.0 and AMOS 21.0 to test the hypotheses.
    UNASSIGNED: First, in a comparison of the predictive role of directly measured and parent-evaluated executive function, directly measured executive function played a more important role in predicting academic achievement, while parent-evaluated executive function played a greater role in predicting social development. Second, parent-evaluated executive function influenced social behavior primarily through social competence and peer status, with social competence playing a more significant mediating role than peer status.
    UNASSIGNED: Compared with previous studies, the results of the present study provide more direct evidence for the relationship and differences between directly measured and parent-evaluated executive function, further suggesting that they have different efficacy and predictive goals, while the present study also describes the pathways through which executive function influences social behavior: the mediating role of peer status and social competence. This suggests that, on the one hand, educators or researchers need to choose appropriate measures of executive function for their own purposes and, on the other hand, in order to promote the development of children\'s social behavior, they need to focus on the development of children\'s executive function, social competence and peer relationships.
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  • 文章类型: Journal Article
    当双语者在使用第二语言(L2)后切换回以母语(L1)发言时,他们经常在L1中检索单词时遇到困难。这种现象被称为L2后效应。我们使用L2后效作为镜头来探索双语语言控制机制的神经基础。我们的目标是双重的:首先,探索双语语言控制是利用领域通用机制还是语言特定机制;第二,研究驱动L2后效应的精确机制。我们使用基于功能定位器的精确fMRI方法来测量反映L2后效的大脑活动与语言网络重叠的程度(Fedorenko等人。,2010)和域通用多需求网络(邓肯,2010),以及三个特定任务的网络,利用干扰分辨率,词汇检索,和衔接。42名波兰语-英语双语者参加了这项研究。我们的结果表明,L2后效应反映了通用领域而非特定语言资源的参与度增加。此外,与先前提出的解释相反,我们没有发现证据表明这种效应反映了与词汇访问相关的难度增加,衔接,和词汇干扰的分辨率。我们认为,图片命名范式中的语音产生困难-表现为L2后效应-反映了任务模式的非语言级别的干扰或L2后L1中语音产生过程中认知控制参与度的普遍增加。
    When bilingual speakers switch back to speaking in their native language (L1) after having used their second language (L2), they often experience difficulty in retrieving words in their L1. This phenomenon is referred to as the L2 after-effect. We used the L2 after-effect as a lens to explore the neural bases of bilingual language control mechanisms. Our goal was twofold: first, to explore whether bilingual language control draws on domain-general or language-specific mechanisms; second, to investigate the precise mechanism(s) that drive the L2 after-effect. We used a precision fMRI approach based on functional localizers to measure the extent to which the brain activity that reflects the L2 after-effect overlaps with the language network (Fedorenko et al., 2010) and the domain-general multiple demand network (Duncan, 2010), as well as three task-specific networks that tap into interference resolution, lexical retrieval, and articulation. Forty-two Polish-English bilinguals participated in the study. Our results show that the L2 after-effect reflects increased engagement of domain-general but not language-specific resources. Furthermore, contrary to previously proposed interpretations, we did not find evidence that the effect reflects increased difficulty related to lexical access, articulation, and the resolution of lexical interference. We propose that difficulty of speech production in the picture naming paradigm-manifested as the L2 after-effect-reflects interference at a nonlinguistic level of task schemas or a general increase of cognitive control engagement during speech production in L1 after L2.
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  • 文章类型: Journal Article
    任务转换是指将注意力从一个任务转移到另一个任务所涉及的一组认知过程。近年来,研究人员应用经颅直流电刺激(tDCS)来研究顶叶皮层与任务切换之间的因果关系.然而,现有研究的结果高度不一致.这可能是由于对潜在机制的不清楚理解。因此,本研究利用事件相关电位(ERP)分析来研究tDCS对任务切换过程的调节作用.招募了24名受试者,在阳极(RA)和假条件下执行可预测和不可预测的奇偶校验/幅度任务。结果显示行为表现没有显著变化。然而,观察到明显的tDCS诱导的ERP变化。具体来说,对于可预测的任务切换,与假条件相比,在男性RA条件下,转换试验的目标N2成分明显早于重复试验,而在女性中没有发现差异。对于不可预测的任务切换,在假条件下,与重复试验相比,转换试验的P2峰值明显更大,而在RA条件下没有观察到这种差异。这些结果表明,右顶叶皮层与任务转换中涉及的外源调节过程之间存在因果关系。此外,右侧顶叶皮层的阳极tDCS可能导致性别差异的表现。
    Task switching refers to a set of cognitive processes involved in shifting attention from one task to another. In recent years, researchers have applied transcranial direct current stimulation (tDCS) to investigate the causal relationship between the parietal cortex and task switching. However, results from available studies are highly inconsistent. This may be due to the unclear understanding of the underlying mechanisms. Therefore, the current study utilized event-related potential (ERP) analysis to investigate the modulatory effects of tDCS on task-switching processes. Twenty-four subjects were recruited to perform both predictable and unpredictable parity/magnitude tasks under anodal (RA) and sham conditions. The results showed no significant changes in behavioral performance. However, marked tDCS-induced ERP changes were observed. Specifically, for the predictable task switching, compared with the sham condition, the target-N2 component occurred significantly earlier for switch trials than repeat trials under the RA condition in males, while no difference was found in females. For unpredictable task switching, under the sham condition, the P2 peak was significantly larger for switch trials compared with repeat trials, whereas this difference was not observed under the RA condition. These results indicated the causal relationship between the right parietal cortex and exogenous adjustment processes involved in task switching. Moreover, anodal tDCS over the right parietal cortex may lead to the manifestation of gender differences.
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  • 文章类型: Journal Article
    先前的研究强调了有氧运动对认知功能的潜在影响,特别是在需要加强认知控制的情况下。然而,这种认知增强的潜在机制仍然未知.为了解决这个问题,与未接受治疗的对照组(n=33,年龄21.82±1.76)相比,这项研究研究了4周有氧运动计划对年轻男性成年人(有氧运动组:n=36,年龄21.42±1.13岁)认知控制过程的影响.我们采用了冗余目标Stroop任务来研究感知和语义阶段的抑制过程。利用系统阶乘技术和漂移扩散模型,我们评估了复原力和潜在认知机制的变化.我们的主要研究结果表明,有氧运动组的平均反应时间(RTs)显着减少,伴随着抑制语义加工时RT变异性的降低。两组的复原能力在相似水平下均显着下降。值得注意的是,有氧运动组在自动反应抑制期间的漂移率提高,在涉及感知信息抑制的情况下,非决策时间减少。这项研究加深了我们对4周有氧运动计划如何增强认知控制的理解,影响不同的认知过程,包括处理速度,自动反应抑制过程中的信息积累,以及知觉冲突中的感觉和运动过程。我们的研究强调了有氧运动作为增强年轻人认知控制的一种手段的潜力。
    Prior research has highlighted the potential impact of aerobic exercise on cognitive functioning, particularly in situations demanding heightened cognitive control. However, the mechanism underlying this cognitive enhancement has remained unknown. To address this issue, this study examined the impact of a 4-week aerobic exercise program on cognitive control processes in young male adults (aerobic exercise group: n=36, aged 21.42±1.13years) in comparison to a control group that received no treatment (n=33, aged 21.82±1.76years). We employed the redundant-target Stroop task to investigate inhibition processes at both perceptual and semantic stages. Utilizing systems factorial technology and the drift diffusion model, we assessed changes in resilience capacity and the underlying cognitive mechanisms. Our primary findings revealed a significant reduction in mean response times (RTs) in the aerobic exercise group, accompanied by a decrease in RT variability when inhibiting semantic processing. Resilience capacity significantly declined in both groups at similar levels. Notably, the aerobic exercise group exhibited an enhanced drift rate during automatic response inhibition and reduced non-decision time in the condition involving the inhibition of perceptual information. This study deepens our understanding of how a 4-week aerobic exercise program enhances cognitive control, affecting distinct cognitive processes, including processing speed, information accumulation during automatic response inhibition, and sensory and motor processes in perceptual conflicts. Our research underscores the potential of aerobic exercise as a means to boost cognitive control among young adults.
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  • 文章类型: Journal Article
    冷漠是神经精神疾病和健康人群中普遍存在的行为症状。然而,关于冷漠的认知和神经机制的知识仍然非常有限,即使临床和功能磁共振成像数据支持三种形式的冷漠(执行,情感,倡议)。这些形式可以通过特定机制的改变来解释。本研究的目的是明确执行和情绪冷漠的认知和神经元机制。我们使用了对68名受试者进行的EEG研究,其中包括两组具有特定执行或情感表型的冷漠的年轻人和一组没有冷漠的年轻人。尽管有冷漠的症状,参与者没有任何神经系统,新陈代谢,或精神病诊断和受过高等教育。使用了两个任务:DPX用于认知控制,MID用于动机。我们的结果表明,这两种形式的冷漠背后有不同的机制,and,第一次,我们指定了这些机制。主动控制模式的缺陷,在AY试验中由减小的探针N2振幅反映,冷漠的执行形式的基础(p<.03),而喜欢动机钝化,以财务损失的LPP振幅降低为重点,表征情绪形式(p<.04)。结果的主要限制是,由于选择了冷漠样本以具有特定形式的冷漠,因此可能会降低对普通人群的普适性。最后,更好地了解这些机制,更有针对性的治疗,药理学和非药理学,减少冷漠的衰弱后果所必需的。
    Apathy is a behavioral symptom prevalent both in neuropsychiatric pathologies and in the healthy population. However, the knowledge of the cognitive and neural mechanisms underlying apathy is still very limited, even if clinical and fMRI data support the existence of three forms of apathy (executive, emotional, initiative). These forms could be explained by the alteration of specific mechanisms. This present study\'s aim is to specify the cognitive and neuronal mechanisms of executive and emotional apathy. We used an EEG study conducted on 68 subjects comprising two groups of young people with specific executive or emotional phenotypes of apathy and one group with no apathy. Despite having symptom of apathy, participants were free of any neurological, metabolic, or psychiatric diagnoses and with high education. Two tasks were used: the DPX for cognitive control and the MID for motivation. Our results showed that distinct mechanisms underlie these two forms of apathy, and, for the first time, we specified these mechanisms. A deficit of the proactive control mode, reflected by a reduced probe-N2 amplitude in AY trials, underlies the executive form of apathy (p < .03), whereas liking motivational blunting, highlighted by a reduced LPP amplitude for financial loss, characterizes the emotional form (p < .04). The main limit of the results is that generalizability to the general population may be reduced since the apathetic samples were chosen for having a specific form of apathy. To conclude, better knowledge of these mechanisms informs new, more targeted treatments, both pharmacological and non-pharmacological, necessary for reducing the debilitating consequences of apathy.
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  • 文章类型: Preprint
    认知灵活性的年龄相关降低可能会限制在系统增加认知运动需求期间对控制过程的调节,加剧双重任务成本。在这项研究中,我们比较了老年人和年轻人在渐进性认知-运动需求过程中主动控制和反应控制的行为和神经生理变化,以探讨认知-运动干扰(CMI)年龄差异的基础.19岁以下(19-29岁,平均年龄=22.84+/-2.75岁,6男,13名女性)和18岁以上(60-77岁,平均年龄=67.89+/-4.60岁,9男,9名女性)健康的成年人在跑步机上坐着和行走之间交替完成了提示任务切换。步态运动学,任务绩效指标,使用基于脑电图(EEG)的移动脑/身体成像(MoBI)记录脑活动。更容易的试验类型的反应准确性在年轻人中得到改善,但老年人在执行认知任务时走路时不是这样。随着难度的增加,步行在老年人中引起了准确性成本,但不是年轻的成年人。在双任务行走过程中,两组都记录了更快的反应并降低了步态变异性。随着认知运动需求的系统性增加,老年人表现出主动和反应性神经活动的振幅调制较低,这可能反映了行为控制的渐进性准备和反应性调整的灵活性降低。
    Age-related reductions in cognitive flexibility may limit modulation of control processes during systematic increases to cognitive-motor demands, exacerbating dual-task costs. In this study, behavioral and neurophysiologic changes to proactive and reactive control during progressive cognitive-motor demands were compared across older and younger adults to explore the basis for age-differences in cognitive-motor interference (CMI). 19 younger (19 - 29 years old, mean age = 22.84 +/- 2.75 years, 6 male, 13 female) and 18 older (60 - 77 years old, mean age = 67.89 +/- 4.60 years, 9 male, 9 female) healthy adults completed cued task-switching while alternating between sitting and walking on a treadmill. Gait kinematics, task performance measures, and brain activity were recorded using electroencephalography (EEG) based Mobile Brain/Body Imaging (MoBI). Response accuracy on easier trial types improved in younger, but not older adults when they walked while performing the cognitive task. As difficulty increased, walking provoked accuracy costs in older, but not younger adults. Both groups registered faster responses and reduced gait variability during dual-task walking. Older adults exhibited lower amplitude modulations of proactive and reactive neural activity as cognitive-motor demands systematically increased, which may reflect reduced flexibility for progressive preparatory and reactive adjustments over behavioral control.
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  • 文章类型: Journal Article
    调查风险行为中涉及的认知控制过程和错误检测机制对于理解风险倾向至关重要。本研究使用事件相关电位(ERP)方法调查了风险倾向与认知控制过程之间的关系。该研究采用了CuedGo/Nogo范式来引出与认知控制过程相关的ERP组件,包括或有负变化(CNV),P300,误差相关的负性(ERN),和错误积极性(Pe)。健康参与者根据他们在气球模拟风险任务(BART)中的表现分为高风险和低风险组。结果表明,冒险行为影响CNV振幅,表明高风险组的反应准备和抑制作用增强。相比之下,在Nogo试验中,P300成分没有显示组差异,但显示出增强的振幅,尤其是高危人群。此外,尽管Pe成分缺乏差异,与低危组相比,高危组的ERN振幅较小,这表明对错误检测的敏感性降低。这些发现暗示,冒险行为可能与机能减退的回避系统有关,而不是与受损的反应抑制有关。了解潜在风险倾向和认知控制过程的神经机制可以有助于制定旨在减少风险行为和促进更好决策的干预措施。
    Investigating the cognitive control processes and error detection mechanisms involved in risk-taking behaviors is essential for understanding risk propensity. This study investigated the relationship between risk propensity and cognitive control processes using an event-related potentials (ERP) approach. The study employed a Cued Go/Nogo paradigm to elicit ERP components related to cognitive control processes, including contingent negative variation (CNV), P300, error-related negativity (ERN), and error positivity (Pe). Healthy participants were categorized into high-risk and low-risk groups based on their performance in the Balloon Analogue Risk Task (BART). The results revealed risk-taking behavior influenced CNV amplitudes, indicating heightened response preparation and inhibition for the high-risk group. In contrast, the P300 component showed no group differences but revealed enhanced amplitudes in Nogo trials, particularly in high-risk group. Furthermore, despite the lack of difference in the Pe component, the high-risk group exhibited smaller ERN amplitudes compared to the low-risk group, suggesting reduced sensitivity to error detection. These findings imply that risk-taking behaviors may be associated with a hypoactive avoidance system rather than impaired response inhibition. Understanding the neural mechanisms underlying risk propensity and cognitive control processes can contribute to the development of interventions aimed at reducing risky behaviors and promoting better decision-making.
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  • 文章类型: Journal Article
    执行功能与认知控制有关,情感,和行为。它们对终身成果至关重要,包括学校的表现。自然干预嵌入儿童的日常活动和环境中具有更大的效果。因此,这项试点研究旨在开发适合学校的自然主义计划,基于目标管理培训(GMT),并分析其对执行功能和行为的影响。参与者由35名2至5年级的执行功能障碍主诉学生组成。他们接受了工作记忆的神经心理学评估,抑制,认知灵活性,和智力能力。教师和家长回答了有关执行功能和行为的问卷。学生被随机分配到一个积极的对照组,参加了关于公民身份的会议,和一个实验组(EG),通过执行功能程序刺激,都是由心理学家进行的16次会议。干预之后,对所有参与者进行了重新评估.双向Wald型统计量(WTS)显示EG的执行功能有了更大的改善,包括工作记忆和抑制。此外,家长和老师,对实验条件视而不见,报告了执行职能和行为的一些衡量标准的改进。结果令人鼓舞,但进一步的研究应该测试干预措施实施时,更大的样本和教师。
    Executive functions are related to the control of cognition, emotion, and behavior. They are essential to lifelong outcomes, including school performance. Naturalistic interventions embedded in children\'s daily activities and environments have greater effects. Therefore, this pilot study aimed to develop a naturalistic program suitable for schools, based on Goal Management Training (GMT), and to analyze its effects on executive functions and behavior. The participants consisted of 35 students from 2nd to 5th grade with executive dysfunction complaints. They underwent neuropsychological assessments of working memory, inhibition, cognitive flexibility, and intellectual capacity. Teachers and parents answered questionnaires on executive functions and behavior. Students were randomly assigned to an active control group, who participated in sessions on citizenship, and an experimental group (EG), stimulated through the executive function program, both with 16 sessions conducted by psychologists. After the intervention, all participants were reevaluated. The two-way Wald-type statistic (WTS) revealed greater improvement in executive functions for the EG, including working memory and inhibition. Additionally, parents and teachers, blind to the experimental conditions, reported improvements in some measures of executive functions and behavior. The results are encouraging, but further studies should test the intervention when implemented with larger samples and by teachers.
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  • 文章类型: Journal Article
    背景:认知行为疗法(CBT)是酒精使用障碍(AUD)的有效治疗方法。我们假设背外侧前额叶皮质(DLPFC),涉及认知控制和目标导向行为的区域,通过促进渴求调节(ROC)在CBT过程中的行为改变中发挥作用。
    方法:寻求治疗的受试者AUD(N=22)在12周之前和之后都接受了功能磁共振成像(fMRI)扫描,CBT的单臂试验,使用先前显示的ROC任务参与DLPFC。
    结果:我们发现,在ROC任务期间测量的重度饮酒天数百分比(PHDD)和总体自我报告的酒精渴望从CBT之前到之后都显着降低。然而,我们没有发现任何大脑区域调节渴求或调节相关活动的能力随着时间的推移有显著变化.我们发现提示诱导的渴望之间存在显著的3向相互作用,左侧DLPFC中PHDD上提示诱导的脑活动和评估时间点(CBT前或后)。随访分析表明,在CBT期间停止大量饮酒的参与者中,提示引起的渴望与左侧DLPFC中提示引起的活动有关,在CBT前和CBT后的时间点。在继续大量饮酒的参与者中,在这两个时间点都没有出现这样的关联。
    结论:这些结果表明,DLPFC功能与线索诱导的渴望更密切相关的患者可能优先对CBT作出反应。
    BACKGROUND: Cognitive behavioral therapy (CBT) is an effective treatment for alcohol use disorder (AUD). We hypothesized that the dorsolateral prefrontal cortex (DLPFC), a region implicated in cognitive control and goal-directed behavior, plays a role in behavior change during CBT by facilitating the regulation of craving (ROC).
    METHODS: Treatment-seeking participants with AUD (N = 22) underwent functional magnetic resonance imaging (fMRI) scanning both before and after a 12-week, single-arm trial of CBT, using an ROC task that was previously shown to engage the DLPFC.
    RESULTS: We found that both the percentage of heavy drinking days (PHDD) and the overall self-reported alcohol craving measured during the ROC task were significantly reduced from pre- to post-CBT. However, we did not find significant changes over time in either the ability to regulate craving or regulation-related activity in any brain region. We found a significant 3-way interaction between the effects of cue-induced craving, cue-induced brain activity and timepoint of assessment (pre- or post-CBT) on PHDD in the left DLPFC. Follow-up analysis showed that cue-induced craving was associated with cue-induced activity in the left DLPFC among participants who ceased heavy drinking during CBT, both at pre-CBT and post-CBT timepoints. No such associations were present at either timepoint among participants who continued to drink heavily.
    CONCLUSIONS: These results suggest that patients in whom DLPFC functioning is more strongly related to cue-induced craving may preferentially respond to CBT.
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