Sepehr Saberian, Venkata S Pendyala, Vincent R Siebert, Bryan A Himmel, Rebecca R Wigant, Marc D Knepp, Jeffrey W Orcutt, Sudhir Mungee, David P Chan, Timir S Baman
Disparities Regarding Inadequate Automated External Defibrillator Training and Potential Barriers to Successful Cardiac Resuscitation in Public School Systems
The American journal of cardiology
visual perception profoundly sensitive context surround suppression wellknown visual context effect firing rate neuron suppressed stimulation extraclassical receptive field majority contrast surround suppression studies exclusively use narrowband sinusoidal grating stimuli however unclear whether results produced artificial stimuli generalize realworld naturalistic visual experiences address issue developed contrast discrimination paradigm includes naturalistic broadband textures narrowband grating textures textures matched first order image statistics overall perceptual salience observed surround suppression across broadband textures f161901 p005 however effect sizes largest narrowband sinusoidal gratings cohens d183 among three broadband texture types observed strongest suppression texture clear dominant orientation stratified cohens d129 textures even distribution orientation information produced weaker suppression fibrous cohens d063 braided cohens d065 also observed effect texture identity slope psychometric functions f198119729 p001 primarily driven smaller slopes texture uniform distribution orientations results suggest wellknown contextual modulation effects partially generalize ecologically valid stimuli