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.
(A) Three objects are shown and the hand cursor. (B) The participant moves their arm and hand to place it over an object. (C) She closes her hand to grab the object. (D) The object then moves with the participant until the hand is opened.
