Presents abstracts of papers to be presented at the Forty-Fifth Annual Meeting of the Society for Psychophysiological Research which will be held in Lisbon, Portugal from September 21-24, 2005. "The Effects of Negative Emotion on Reaction Time and ERP-P3," by Aki Akamine and Mitsuro Kida; "Perceptual Completion in Toxoplasmosis Chorioretinitis," by Denise P. Alvarenga, Marcia F. Couto and Valdir F. Pessoa; "A Unique and Effective Algorithm for Detecting Cardiac R-Waves From Noisy Data Implemented in Matlab," by Kristopher L. Anderson and Keith W. Berg; "Event-Related Potentials of Novel Metaphor Comprehension," by Yossi Arzouan, Abraham Goldstein and Miriam Faust.