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.
Sum of squared difference (SSD) between normalized RMS maps of different tasks. RMS maps were normalized with respect to their own maximum values. (A) SSD between four-finger extension and individual finger extensions in different conditions. Error bars represent standard errors between subjects. (B) SSD between dynamic and static extensions in high and low conditions. (C) SSD between high and low extensions in dynamic and static conditions.
