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.
Changes in frontal beta activity in non-acute mountain sickness (non-AMS) (A) and AMS (B) mountaineers. Panel (C) shows changes in occipital EEG alpha activity in non-AMS and panel (D) in AMS mountaineers. Different altitudes were compared using Wilcoxon test; differences between AMS and non-AMS mountaineers with the Mann–Whitney U-test. EEG, electroencephalography.
