Assertion: Spatial intelligence is highly developed in pilots and surgeons.

Reasoning: Spatial intelligence involves the ability to form and transform mental images.

Both Assertion and Reasoning are true, and the Reasoning is the correct explanation of Assertion.

Spatial (an ability to form visual images and patterns) : It refers to the abilities involved in forming, using, and transforming mental images. The person high on this intelligence can easily represent the spatial world in the mind. Pilots, sailors, sculptors, painters, architects, interior decorators, and surgeons are likely to have highly developed spatial intelligence.