"Holodecks create sentient programs when equipped with gel packs." ??
I've neither heard, not read anywhere that Voyager's being equipped with bio-neural circuitry was the reason for any sentient holographic programming. Secondly, I believe it is generally agreed that the holographic simulation of the fictional character Moriarty as portrayed in (TNG: "Elementary, Dear Data") and (TNG: "Ship in a Bottle") was sentient; and the USS Enterprise (NCC-1701-D) was certainly not equipped with the aforementioned bio-neural technology.
THOR 00:03, 14 Nov 2004 (CET)