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相关概念视频

Association Areas of the Cortex01:21

Association Areas of the Cortex

9.5K
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,...
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Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

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The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....
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Techniques of therapeutic communication I: Active Listening, Sharing Observations, Validation, and Using Touch01:15

Techniques of therapeutic communication I: Active Listening, Sharing Observations, Validation, and Using Touch

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The history of therapeutic communication can be traced back to Florence Nightingale, who emphasized the importance of developing trusting relationships with patients. She taught that the presence of nurses with patients results in therapeutic healing.
Therapeutic communication is not the same as social interaction. Social interaction has no goal or purpose and consists of casual information sharing, whereas therapeutic communication has a plan or purpose for the conversation. Therapeutic...
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Somatosensory, Motor, and Association Cortex01:23

Somatosensory, Motor, and Association Cortex

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The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at...
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Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

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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...
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Covalent Bonds01:29

Covalent Bonds

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Overview
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相关实验视频

Updated: Feb 13, 2026

The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics
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The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics

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在外皮和外皮皮层中共享的转录组签名.

Dene Betz, Victoria A Alers, Matthew Kenwood

    bioRxiv : the preprint server for biology
    |February 12, 2026
    PubMed
    概括

    脑卒中触发了大脑的可塑性,以便恢复. 围创性皮层和收缩性皮层都表现出类似的炎症反应,由微质细胞驱动,影响雄性和雌性小鼠中风恢复.

    科学领域:

    • 神经科学是一个神经科学.
    • 分子生物学分子生物学
    • 基因组学就是基因组学.

    背景情况:

    • 脑卒中引发了大脑可塑性升高的关键时期,对于功能恢复至关重要.
    • 脑卒中后的可塑性涉及到皮层的两种机制,即ipsilesional和contralesional皮层.
    • 之前的基因表达研究主要集中在心脏病核心和外伤皮层 (PLC).

    研究的目的:

    • 为了研究逆伤皮质 (CLC) 对中风的转录反应.
    • 为了比较PLC和CLC中的分子路径,特别是跨性别.
    • 了解微质在早期中风后皮质可塑性中的作用.

    主要方法:

    • 在中风后7天,在雄性和雌性小鼠中对PLC和CLC进行大量RNA测序.
    • 基因本体学丰富分析以识别激活的生物通路.
    • 在中风后6周评估CLC衍生的皮质脊柱管轴突发芽.

    主要成果:

    • 无论是PLC还是CLC,都表现出强大的炎症信号通路的上调,包括细胞因子信号传递,白细胞激活和质生成.
    • 反应性微质信号被确定为这两个区域中占主导地位的共享途径.
    • 与PLC相比,CLC没有显示出明显的转录反应.

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    Reconstruction of Single-Cell Innate Fluorescence Signatures by Confocal Microscopy

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    The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics

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    Neurovascular Network Explorer 2.0: A Simple Tool for Exploring and Sharing a Database of Optogenetically-evoked Vasomotion in Mouse Cortex In Vivo
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    Neurovascular Network Explorer 2.0: A Simple Tool for Exploring and Sharing a Database of Optogenetically-evoked Vasomotion in Mouse Cortex In Vivo

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    Reconstruction of Single-Cell Innate Fluorescence Signatures by Confocal Microscopy

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  • 在转录反应或轴突发芽方面没有观察到任何显著的性别差异.
  • 结论:

    • 脑卒中诱导了一个共享的,以微质为中心的神经炎症转录反应,在外伤和逆伤皮层.
    • 微质反应是一种关键的早期过程,有助于中风后皮质可塑性.
    • 这些发现在雄性和雌性小鼠中是一致的,这表明保留了机制.