We’re built to look for, discern and process patterns and what they mean. However accurate it is, autistic people are usually portrayed as being gifted with complex systems, numbers and structures (think of the Rain Man-esque Vegas card-counting cliché).

Emotions might help explain another commonality to ghosts sightings. Along with the fact that they’re often visually unclear, many witnesses reporting particular feelings associated with them.

In the late 18th century painting, sculpting and sketching were used in what was called the ‘moral treatment’ of psychiatric patients, but it wasn’t until the mid 20th century that the practice became more widespread.