Effects of Transpulmonary Administration of Caffeine on Brain Activity in Healthy Men

Overview

Journal Brain Sci

Publisher MDPI

Date 2019 Sep 6

PMID 31484351

Citations 3

Authors

Kazutaka Ueda

Masayuki Nakao

Affiliations

Soon will be listed here.

Abstract

The present study aimed to examine the effect of transpulmonary administration of caffeine on working memory and related brain functions by electroencephalography measurement. The participants performed working memory tasks before and after vaporizer-assisted aspiration with inhalation of caffeinated- and non-caffeinated liquids in the caffeine and sham conditions, respectively. Transpulmonary administration of caffeine tended to increase the rate of correct answers. Moreover, our findings suggest that transpulmonary administration of caffeine increases the theta-band activity in the right prefrontal, central, and temporal areas during the task assigned post-aspiration. Our results may indicate an efficient and fast means of eliciting the stimulatory effects of transpulmonary administration of caffeine.

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