Robin van Persie feels a switch to a central striking role has helped to raise his game to new levels.

The Dutchman has plundered seven goals in his last seven games, including a brace in Saturday's 3-0 derby success against Tottenham.

Operating through the middle, as the focal point of the Gunners' attack, Van Persie is revelling in his new-found responsibility.

He admits he has had to alter his game slightly in order to adjust to the demands now placed on his shoulders, following the sale of Emmanuel Adebayor to Manchester City, but he is currently enjoying one of the most productive spells of his career.

"In the last four or five weeks I have felt much better," Van Persie told Arsenal's official matchday programme.

"I've had to get used to the new role because I previously played as a second striker, so I needed to find my way in.

"Earlier in the season, I lost too much energy working defensively and needed to find the right balance.

"It's really important for the team that I have enough energy to score goals and make assists, as well as helping out in other ways.

"In the last few weeks I've found that mix, of having the energy to do my attacking work and contribute defensively.

"I like it because it's a new challenge but if you look at the results and the stats of almost every player, everyone has improved in the new system."