Introduction to the PI Attention Effect The PI attention effect is a critical concept within cognitive neuroscience, specifically studied through the lens of Event-Related Potentials (ERPs), which measure electrical activity in the brain following a specific sensory or cognitive event. At its core, the PI component is typically defined as the first positive element of […]
Introduction to Attenuation Theory Attenuation Theory represents a significant milestone in the study of selective attention within cognitive psychology. Developed by Anne Treisman in 1964, this framework emerged primarily as a refinement and modification of Donald Broadbent’s earlier, more rigid Filter Theory. Broadbent’s model proposed a strict, all-or-nothing filtering mechanism, suggesting that information not actively […]