Now, I know that the subject here is sexual arousal, but since I've already mentioned Plato and he is so relevant to the subject of Eros – and was probably sapiosexual himself — I think it's worth stepping briefly into the realm of philosophy.
2003 May 14, Lev Lafayette, “Re: Show and Tell: May 2003”, in aus.culture.gothic, Usenet:
> Sexual preference: Sapiosexual. Preference is for Epicurean athletic types.
2005 October 20, CatDeville [username], “Re: Struggling with the details”, in alt.polyamory, Usenet:
You see, for a true geek there's often little difference, because when you engage our brains, which are connected to our genitals, it often turns on our lust response (we're quite often sapiosexuals - people who lust after intellect first), but it's the *brain* you aim for, the intellect, to turn us on, not our genitals.
2008, Mohua Das & Malini Banerjee, "Virtual Vanities", The Telegraph (Calcutta), 17 August 2008:
So a self-confessed culture vulture is a member of communities on authors, sudoku, films, chocolates and sapiosexuality (sapiosexuals are people who are apparently turned on by intelligence).
2009 March 20, Stef, “Re: poly newb”, in alt.polyamory, Usenet: