Effects of plant aromas on stress recovery and brain activity in university students
March 1, 2025
The olfactory environment is an important component of the indoor environment, closely related to health, comfort, and performance. The nervous system, acting as a critical processor for interior and exterior information exchange, regulates the work of other systems. Despite making up just 2 % of all body weight, the human brain uses around 20 % of the circulating oxygen, serving as the primary energy source for maintaining bodily functions and regulating emotions and cognition. Given that aromatic compounds can pass through the blood-brain barrier and engage with receptors in the brain, inhaling aromas has a significant impact on brain function. Electroencephalography (EEG) records the activity of neurons on the covering of the cerebral cortex. Numerous studies have confirmed that EEG usefully reflects how aroma exposure impacts psychophysiological responses.