The second part of the Serpentine Gallery's new exhibitions which were unveiled today as part of its autumn winter season.
What thought looks like - and how the brain processes what it sees is being explored in an installation by one of the world's leading conceptual artists.
Pierre Huyghe monitored the brain waves of a person as they were prompted to think of an image - the results are now being projected on a giant screen.
It's on until next February at the Serpentine Galleries
Warning this piece does contain flashing images.