Behrami's side host Juve on Friday, and a win for the home side will see them close the gap on the league leaders.
However, a victory for the Bianconeri will extend their lead to nine points at the top of the table - a gap that Behrami admits could be insurmountable.He told reporters: "In my opinion, this is a key game from the psychological point of view. It can show us who we are and what we can get from this season.
"Juventus is a great team. We will have to attack smartly and at the same time not let them take any initiative. We must leave a mark; we will try to do it."And the 27-year-old has called on the side's supporters to get behind the team, adding: "Our fans can give us that extra boost, the adrenaline to push us more. They can be our extra weapon to go beyond our limits.
"I ask them to support us, to appreciate what we have been doing in this championship and to consider what we are trying to achieve, that is something very important."