Christian Eriksen says Tottenham's 2-0 loss to Arsenal on Saturday left the squad disappointed.
Spurs entered the game four points and four places above Arsenal on the Premier League, but the defeat to their rivals has brought them close to an even keel.
"I think the worst feeling was probably disappointment," said Eriksen.
"We went into the game feeling confident but when you get a knock on the head you are going to lie down.
"But I think we have showed so far that we are better now - good enough to come back."