This book provides an in-depth exploration of the intricate relationship between anesthesia and brain function. This comprehensive guide delves into the physiological and pharmacological aspects of neuroanesthesia, highlighting the impact of various anesthetic agents on cerebral dynamics. Key topics include the mechanisms of intracranial pressure regulation, cerebral blood flow, and metabolic processes, alongside advanced brain monitoring techniques such as EEG, evoked potentials, and cerebral oxygenation metrics.