Brazil have seemingly put their disappointing World Cup run behind them having recorded victories in their last four matches and Dunga's men will be hoping to continue the run when they face Turkey in a friendly match.
The hosts of the 2014 World Cup have recorded victories against Colombia, Ecuador, Argentina and Japan in recent matches. Liverpool playmaker Philippe Coutinho who was not part of Brazil's World Cup squad has claimed that the atmosphere in the dressing room has massively improved and that the players have got their self-belief back.
"The wins, and the fact that the team is playing well, gives us self-belief," the Liverpool attacker said.
"The players feel confident. It helps to have a good mood in the squad.
"Everyone has to be focused in order to keep this winning streak going until the tournament."
The 22 year old faces fierce competition for a place in the starting lineup with the Brazilian squad blessed with a hoard of attacking talent but the youngster has claimed that he wishes to make the most out of the time he spends with the team.
"I see being here as a great opportunity," he added.
"We have to give everything in order to grow in our careers and it's important to learn from everyone. So, I just want to keep working hard."
The Seleção will be without PSG winger Lucas Moura who has been ruled out with a bruised foot, he has been replaced by Benfica's Talisca in the squad. The 20 year old midfielder is one of the six players who could make their debut for Brazil on Wednesday, the list includes goalkeeper Neto, Hoffenheim playmaker Roberto Firmino as well as Shakhtar Donetsk attacking trio Fred, Douglas Costa and Luiz Adriano.
Turkey on the other hand have tasted a victory in just one of their last five matches and will be looking to use this game to prepare themselves for their important Euro 2016 qualifier with Kazakhstan on Sunday.
Bursaspor midfielder Volkan Sen who returns to the national side for the first time since May 2010 has expressed delight over his return to the national side also insisting on the importance of the match against Brazil.
"First of all it's a very nice feeling being back in the national team," he said. "I am honored to be invited again, I was very happy. I would like to thank Fatih Terim and his team.
"Of course, from our perspective, it's going to be a very important friendly game. We play football on the pitch, regardless of our result, we show on the field, the game will be very important to us."
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