Pixar's highly-anticipated experimental film Inside Out – set entirely in the mind of a young girl – has been given an official synopsis.

Plot details beyond the brief outline above have been scarce, but the film does boast an impressive cast and now we know a little more about the specifics.

Here is the synopsis in full:

Growing up can be a bumpy road, and it's no exception for Riley, who is uprooted from her Midwest life when her father starts a new job in San Francisco. Like all of us, Riley is guided by her emotions – Joy (Amy Poehler), Fear (Bill Hader), Anger (Lewis Black), Disgust (Mindy Kaling) and Sadness (Phyllis Smith).

The emotions live in Headquarters, the control centre inside Riley's mind, where they help advise her through everyday life. As Riley and her emotions struggle to adjust to a new life in San Francisco, turmoil ensues in Headquarters. Although Joy, Riley's main and most important emotion, tries to keep things positive, the emotions conflict on how best to navigate a new city, house and school.

Pixar's schedule was shuffled last year when The Good Dinosaur lost its director and the project was delayed as a consequence. This left the studio with no film to release in 2014 and made Pete Docter's Inside Out their next major release.

Inside Out has been described by Pixar visionary John Lasseter as "one of the most unique films I have ever been associated with," and a "magical, wonderful, original film."

Going by the synopsis the unique part sounds spot-on, and hopefully Inside Out lives up to the rest of Lasseter's praise.

Inside Out will be released on 31 July 2015.