Nasal brain function regulators and methods of providing data for assessing neurological disorders

摘要

Provided is a nasal brain function regulator which acts on specific places in a subject's brain using the sense of smell to stimulate or suppress activity of the specific places in the brain, the regulator comprising, as an active ingredient, a lemongrass extract extracted by an extraction method which includes a step of extraction of stirring lemongrass with an impeller while crushing the same, and applying heat from outside and reducing pressure during the crushing and stirring. Also provided is a method for nasally regulating the brain function by administering the nasal brain function regulator to a subject to act on specific places in the subject's brain so as to stimulate or suppress activity of the specific places in the brain.