Optical illusions offer a fun way to test observation skills. In a challenging image, a man crosses a bridge with an ...

Presumably this reflects the influence of the author's mentor, the late Irving Rock, famous for his work on perceptual illusions; indeed, Palmer himself is best known for his studies of perceptual ...

Visual illusions often arise from these perceptual processes, leading to fascinating discrepancies between actual and perceived brightness. Recent research has delved into the mechanisms behind ...

The full details are described in 'The Thatcher illusion 28 years on...' (Perception, volume 38: pages 921–922). 2. Thompson P (1980) 'Margaret Thatcher: A new illusion' Perception, volume 9 ...