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.
Event-related potentials elicited by complex visual scenes of different content at frontal (Fz), central (Cz), and parietal (Pz) midline recording sites. a. Pictures categorized by specific content (erotic pictures are in a separate category). b. Pictures categorized using normative ratings of affective valence (negative, positive, and neutral).
