“The discovery by Hubel and Wiesel of cells that respond to linear stimuli with specific axes of orientation may partly explain our response to Mondrian’s work, but it does not explain the artist’s focus on horizontal and vertical lines to the exclusion of oblique lines. Vertical.”

“The discovery by Hubel and Wiesel of cells that respond to linear stimuli with specific axes of orientation may partly explain our response to Mondrian’s work, but it does not explain the artist’s focus on horizontal and vertical lines to the exclusion of oblique lines. Vertical.”

— Eric R. Kandel