Brainial

In short, he became dead drunk, as it were, from brainial excitement. It is very true that genius is nearly allied to madness; and it becomes all, but particularly persons of a literary turn of mind, to take warning, when tempted,— ...

Source: wiktionary

[...] divided into digestory, brainial, muscular, bronchial, cutaneous, and renal.

Source: wiktionary

Its dominant spirit would map out the brainial^([sic]) hemispheres with their convolutions into sections, arbitrarily labeled, as phrenology has done with the cranium.

Source: wiktionary

Preparatory to this he invited some of his friends to a banquet, which is thus taken off by one of the daily papers : 'Last evening a party of gentlemen ate a 'brainial' dinner at Jones's restaurant, in Broadway, their host being Dr. T. S. Lambert.'

Source: wiktionary