Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 Sep 26;13:992885. doi: 10.3389/fneur.2022.992885

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2022 Zhao, Zhang, Tao, Cui, Li, Qi and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

Changes in cerebral blood flow after head down tilt position. (A) Pipeline for the registration and determination of regions. The Brainnetome Atlas, template, T1-weighted, PdWI and CBF pcolor were used to co-registration and 246 regions of interest were obtained in every subject. In addition, the CBF changes were calculated under two scanning positions (head down tilt position and lying flat position). (B) Representative ASL and CBF pcolor images from Case 1. (C) CBF changes in Case 1. (D) CBF changes in Case 3. (E) CBF changes in Case 4. ASL, arterial spin labeling; CBF, cerebral blood flow; HDT, head down tilt.