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Tim Murphy is a Professor in the Department of Psychology at Brock University. He completed his PhD at the University of Waterloo. His research primarily focuses on sleep, sleep deprivation, and the various cognitive and behavioral effects these states have on individuals. Murphy has investigated how sleep deprivation influences brain functions through EEG and event-related potentials (ERPs), analyzing indices such as P300 and ERN to understand their relationship with attention and performance monitoring. His recent studies have highlighted the impact of 20 hours of sleep deprivation on cognitive indices and its implications for risk assessment. Additionally, he aims to explore the intersection of sleep deprivation with mild intoxication, investigating countermeasures such as caffeine and naps. Murphy's work contributes to understanding the physiological mechanisms behind sleepiness and its effects on cognition and behavior.
This entry applies to the general Graduate Studies standard for departments such as English Language and Literature, History, Philosophy, and Sociology.