He has played five games since joining the Seagulls, helping them to a four-match unbeaten run in League One.
LuaLua told BBC Sussex: "It's a tough league to play in but I'm really enjoying my time here. The team is winning games so that helps."
Poyet added: "He's something different. We're working with him to try and help him keep improving.
"He's got plenty of things to get better, he knows that. We're looking after him and I think that's important as well for Newcastle."
Source: BBC Sport
