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.
Experimental protocol of Study 1. A black screen is presented during the first 5 min of the experimental session while the subject is maintaining a natural standing and relaxed posture. A sequence of 12 pictorial images extracted from the IAPS database and followed by a black screen is then presented and the physiological measures collected.
