工作记忆的非正面控制工作记忆的非正面控制
Thomas Christophel1,2,3, Simon Weber1,2, Chang Yan1
1Bernstein Center for Computational Neuroscience and Berlin Center for Advanced Neuroimaging and Clinic for Neurology, Charité Universitätsmedizin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
Journal of cognitive neuroscience
|February 6, 2024
概括
大脑中的执行控制过程管理视觉工作记忆. 特定的大脑区域,包括中圈和内突,选择记忆的项目,表明分散的控制.
科学领域:
- 认知神经科学 认知神经科学
- 记忆的神经生物学 记忆的神经生物学
背景情况:
- 视觉工作记忆 (VWM) 允许灵活操作存储的信息.
- 根据目标,执行控制对于更新,替换和删除VWM内容至关重要.
研究的目的:
- 识别VWM中执行控制的基础的神经模式.
- 调查如何选择特定的项目继续记忆.
主要方法:
- 神经成像数据的多变量模式分析 (MVPA).
- 在以目标为导向的VWM任务中检查神经元活动.
主要成果:
- 中间状圈和内状中的明显的神经活动模式代表了VWM的项目选择.
- 这种选择特异性活动是独立于感官暗示表示的.
- 只有当执行控制积极行使时,活动才存在.
结论:
- 对VWM项目选择的执行控制是分布式和分散的.
- 挑战了一个单一的概念,在内存控制中,域一般的中央执行官.
相关概念视频
Working Memory
168
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
168
Role of Cerebellum and Prefrontal Cortex in Memory
433
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
433
Association Areas of the Cortex
5.3K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
5.3K
Information Processing Approach
38
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
38
High-Level and Low-Level Awareness
272
Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
272


