The Gunners have won four games on the road so far since the Spaniard took charge last summer but have struggled away from the Emirates Stadium for some time.
With just 17 away wins out of the 50 games played since August 2016, the issue is something Emery would have been keen to resolve when he replaced Arsene Wenger.
A trip to rock-bottom Huddersfield hands Arsenal a chance to win their first away league game in six, with a 3-1 defeat to Manchester City last weekend the latest bout of travel sickness.
"Maybe both," Emery replied when asked if poor away form was due to tactical or mental reasons. "It can be at the end, the reason we didn't take the same balance as we have shown at home.
"I spoke with the players (and told them) we need to think this match is very important for us and every player needs to be ready, be focused and be thinking we need to win this match.
"Imposing ourselves from the first minute, and throughout the 90 minutes, our capacity against them - but first is the mentality.
"For us, tactically, is the second issue. The first is to think we need to win and after it's how we can win this match - (in terms of) preparing tactically and individually."