Methods in Neuroscience - Squid Giant Synapse. And besides food, the squid is a great experimental organism for neurobiology. Also see What is this octopus thinking? where "researchers have discovered spines lodged in octopus brains, the result of a meal going the wrong way." What I really find fascinating are these classical visual experiments where scientists studied animals that had part of their brain lesioned so they could only distinguish particular patterns.
In Search of the Red Demon. "Under an orange moon, Jacquie and I are 75 feet deep in the Sea of Cortez waiting for demons to appear. As we search the black water below our camera lights, a green glow begins to move toward us. Bioluminescence is signaling the approach of a shoal of Giant Humboldt squid rising to investigate us. There’s no doubt they’re hungry…"
Fishermen Hook A Colossal Catch. "A colossal squid with eyes as big as dinner plates and razor-sharp hooks on its tentacles."
Giant squid attacks boat. "Suddenly he saw something moving," de Kersauson said. "It was tentacles."
Deep-sea monster caught on tape. "A ghostly, 23-foot-long creature glides through the deep sea, its gossamer fins billowing against the black water. Its arms, more than half its total length, trail behind like delicate threads."
Cephalopod News. Yes! Just what I was looking for. Squid news. All the time.