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Updated: Jul 14, 2026

Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions
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大脑微观结构和大脑功能的变化 空间头痛由头向下倾斜的床上休息

Masayuki Goto, Yasushi Shibata, Sumire Ishiyama

    Aerospace medicine and human performance
    |August 17, 2023
    PubMed
    概括

    宇航员的头向下倾斜床休息 (HDBR) 诱导的头痛与大脑微观结构和功能连接性变化有关. 扩散张力成像和静止状态功能性MRI显示了与空间头痛相关的扩散性和连接性模式的显著变化.

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    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.
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    Increased Intracranial Pressure l: Introduction

    Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...