Dissociating Proactive and Reactive Cognitive Control Processes
分离主动和反应认知控制过程
基本信息
- 批准号:RGPIN-2018-04998
- 负责人:
- 金额:$ 2.11万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2020
- 资助国家:加拿大
- 起止时间:2020-01-01 至 2021-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Historically, cognitive control was conceptualized as a unitary concept, defined predominantly as a top-down process' that controlled lower-level sensory, motor, and memory operations to engage in coordinated, purposeful behaviour. More recently, an influential revision posits that cognitive control is not a single construct, but rather may have different modes, proactive and reactive, which are dissociable. Proactive control is associated with the active maintenance of task-relevant information to perform the appropriate response. By actively maintaining this information, “top-down control” can be executed and other systems can be biased towards task-relevant information. Reactive control, in contrast, would be engaged after rather than before the event requiring the control. This system would be more influenced by “bottom-up processes.” Under such a control strategy, initial task-relevant information would be processed transiently. Greater sustained activity in the lateral prefrontal cortex is hypothesized to play a central role in the active maintenance and updating of relevant information. In comparison, for reactive control, the lateral prefrontal cortex is involved transiently, and other brain regions are more involved. The limited number of studies evaluating this new theory have found evidence that proactive and reactive control processes can be differentiated and help to explain the heterogeneity in behaviour and neural mechanisms from previous studies. However, a number of key questions still remain to better understand the variability in cognitive control and the two modes, including under what condition each type of control is more likely to present, and the brain networks involved. Goal-directed activities are fundamental to human behaviour. Some of the variability and unreliability in behavioural and neuroimaging findings may be due to the unified view of cognitive control, and better understanding the dual mechanisms of control may further this important area of cognitive science. Last, investigating proactive and reactive control also has implications for neurological and psychological disorders; if deficits are more likely to present in one mode versus another in certain impaired populations, increasing reliance on the more spared mode may improve goal-directed behaviour and wellness.
从历史上看,认知控制被定义为一个统一的概念,主要是一个自上而下的过程,它控制较低水平的感觉、运动和记忆操作,以参与协调、有目的的行为。最近,一个有影响力的修正假设,认知控制不是一个单一的结构,而是可能有不同的模式,主动和被动,这是可分离的。主动控制与任务相关信息的主动维护相关联,以执行适当的响应。通过主动维护这些信息,可以执行“自上而下的控制”,并且其他系统可以偏向于任务相关的信息。相反,响应式控制将在需要控制的事件之后而不是之前进行。这个系统将更多地受到“自下而上的过程”的影响。在这种控制策略下,与初始任务相关的信息将被瞬时处理。前额叶外侧皮层更大的持续活动被认为在主动维持和更新相关信息中起着核心作用。相比之下,对于反应性控制,外侧前额皮质会短暂参与,而其他大脑区域则更多地参与。评估这一新理论的有限数量的研究已经发现了可以区分主动和被动控制过程的证据,并有助于解释先前研究中行为和神经机制的异质性。然而,为了更好地理解认知控制和这两种模式的可变性,仍然存在一些关键问题,包括每种控制在什么条件下更有可能出现,以及涉及的大脑网络。目标导向的活动是人类行为的基础。行为和神经影像学发现的一些可变性和不可靠性可能是由于认知控制的统一观点,更好地理解控制的双重机制可能会进一步推动这一重要领域的认知科学。最后,研究主动和反应性控制也对神经和心理疾病有影响;如果在某些受损人群中,缺陷更有可能以一种模式出现,而不是另一种模式,那么增加对更幸免模式的依赖可能会改善目标导向的行为和健康。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Goghari, Vina其他文献
Theory of mind reasoning in schizophrenia patients and non-psychotic relatives
- DOI:
10.1016/j.psychres.2014.03.043 - 发表时间:
2014-08-15 - 期刊:
- 影响因子:11.3
- 作者:
Cassetta, Briana;Goghari, Vina - 通讯作者:
Goghari, Vina
Goghari, Vina的其他文献
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{{ truncateString('Goghari, Vina', 18)}}的其他基金
Dissociating Proactive and Reactive Cognitive Control Processes
分离主动和反应认知控制过程
- 批准号:
RGPIN-2018-04998 - 财政年份:2022
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Dissociating Proactive and Reactive Cognitive Control Processes
分离主动和反应认知控制过程
- 批准号:
RGPIN-2018-04998 - 财政年份:2021
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Dissociating Proactive and Reactive Cognitive Control Processes
分离主动和反应认知控制过程
- 批准号:
RGPIN-2018-04998 - 财政年份:2019
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Dissociating Proactive and Reactive Cognitive Control Processes
分离主动和反应认知控制过程
- 批准号:
RGPIN-2018-04998 - 财政年份:2018
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Behavioural and prefrontal and parietal functional and structural MRI changes associated with working memory training
与工作记忆训练相关的行为、前额叶和顶叶功能和结构 MRI 变化
- 批准号:
402452-2011 - 财政年份:2015
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Behavioural and prefrontal and parietal functional and structural MRI changes associated with working memory training
与工作记忆训练相关的行为、前额叶和顶叶功能和结构 MRI 变化
- 批准号:
402452-2011 - 财政年份:2014
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Behavioural and prefrontal and parietal functional and structural MRI changes associated with working memory training
与工作记忆训练相关的行为、前额叶和顶叶功能和结构 MRI 变化
- 批准号:
402452-2011 - 财政年份:2013
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Behavioural and prefrontal and parietal functional and structural MRI changes associated with working memory training
与工作记忆训练相关的行为、前额叶和顶叶功能和结构 MRI 变化
- 批准号:
402452-2011 - 财政年份:2012
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Behavioural and prefrontal and parietal functional and structural MRI changes associated with working memory training
与工作记忆训练相关的行为、前额叶和顶叶功能和结构 MRI 变化
- 批准号:
402452-2011 - 财政年份:2011
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Exploring the Dual Mechanisms of Cognitive Control
探索认知控制的双重机制
- 批准号:
316604-2005 - 财政年份:2007
- 资助金额:
$ 2.11万 - 项目类别:
Postgraduate Scholarships - Doctoral
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- 资助金额:
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Discovery Grants Program - Individual