Abdullah, S NVaegan, ABoon, M YMaddess, Ted2015-12-101388-2457http://hdl.handle.net/1885/65447Objectives: To measure contrast-response functions (CRFs) for 9 visual field (VF) regions and nonlinear interactions between regions using a multifocal steady-state VEP (MSV). Methods: Ten normal adults were tested (51.7 ± 16.9. yr, 5 females). Stimuli rKeywords: adult; aged; article; contrast response function; electrode; evoked visual response; female; human; human experiment; male; multifocal steady state visual evoked potential; normal human; perimeter; priority journal; stimulus response; Adult; Aged; Brain M Frequency doubling; Incommensurate; Multifocal visual evoked potentials; Nonlinear interactions; Steady-state201210.1016/j.clinph.2012.02.0672016-02-24