A method for preventing or treating a nervous disorder can include administrating to a person in need of such prevention or treatment a pharmaceutical preparation comprising, as an active ingredient, an ester of a decenoic acid. The present invention is an artificial lipid membrane forming method for forming an artificial lipid membrane using an artificial lipid membrane forming apparatus. The method also includes identifying one or more bugs in the one or more tests based on inconsistent test results. The interlocking portion is pivotally connected with the device via a first pivot.