Mental Rotation
Two shapes are shown. Decide if the second is the same shape (just rotated) or a mirror image.
FAQ
Mental rotation is the ability to imagine rotating 2D or 3D objects in your mind. It is a key component of spatial reasoning and is measured in many IQ and aptitude tests.
Spatial reasoning predicts success in STEM fields, architecture, surgery, and navigation. It is one of the strongest cognitive predictors of achievement in science and engineering.
Yes. Playing spatial video games, practicing with puzzles, and targeted mental rotation training all improve performance. The improvement can transfer to other spatial tasks.
About this test
The mental rotation test measures spatial reasoning ability — specifically your capacity to mentally rotate 2D and 3D shapes to determine whether they are the same or mirror images.
How It Works
Two shapes are shown at different orientations. Determine whether they are the same shape rotated, or mirror images of each other. Response time increases linearly with the angle of rotation.
Cognitive Science
Roger Shepard and Jacqueline Metzler's 1971 study showed that mental rotation time increases proportionally to the angle of rotation, suggesting people actually rotate mental images rather than using abstract comparison.
Tips
- Focus on one distinctive feature and track it through the rotation
- Practice with physical objects to build intuition
- Play 3D puzzle games to strengthen spatial skills