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相关概念视频

Neural Regulation01:37

Neural Regulation

Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
Long-term Depression01:05

Long-term Depression

Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Long-term Depression01:03

Long-term Depression

Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over time, all...
Disorders of the Nervous Tissue01:28

Disorders of the Nervous Tissue

Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
Neuronal Communication01:28

Neuronal Communication

Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).

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相关实验视频

Updated: Jul 13, 2026

Induction of an Isoelectric Brain State to Investigate the Impact of Endogenous Synaptic Activity on Neuronal Excitability In Vivo
10:19

Induction of an Isoelectric Brain State to Investigate the Impact of Endogenous Synaptic Activity on Neuronal Excitability In Vivo

Published on: March 31, 2016

在人体内对异常大脑电过渡的内生调节.

J R STEVENS

    Science (New York, N.Y.)
    |September 21, 1962
    PubMed
    概括

    患有的人通过听到电脑电图 (EEG) 变化来学会避免冲击. 删除音频反显著阻碍了它们自我调节的能力,突出显示了外部感官线索对控制的重要性.

    科学领域:

    • 神经科学是一个神经科学.
    • 的研究研究.
    • 生物反的回报

    背景情况:

    • 是一种神经系统疾病,其特点是经常性发作.
    • 了解的自我调节机制对于制定有效的治疗策略至关重要.
    • 生物反为个人提供了一种潜在的途径,可以控制生理过程.

    研究的目的:

    • 研究电脑电图 (EEG) 的听觉反在活动自我调节中的作用.
    • 为了确定患有的个体是否可以通过使用外部感官线索来学习控制神经系统性型活动.

    主要方法:

    • 训练了十名患者按杆以避免轻微的冲击.
    • 冲击是由他们的EEG检测到的 Paroxysmal epileptiform活动引发的.
    • 最初提供与EEG变化相关的听觉反,然后在以后的试验中删除.

    主要成果:

    • 所有受试者都成功地学会了当有可用的听觉EEG反时避免冲击.
    • 在删除听觉组件后,只有一个受试者仍然可以响应他们自己的EEG活动的主观经验.
    • 这表明,在自我监管方面,人们严重依赖外部审计线索.

    结论:

    关键词:
    发症/生理学 发症/生理学反射,有条件的反应.

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    • 来自EEG的听觉反是患者自我调节活动的关键外部提示.
    • 对于大多数患者来说,对纯主观内部状态的反应能力是有限的.
    • 对的生物反干预措施可能从整合清晰的多感官反机制中受益.