Perception Collection (page 3)

Cafe wall illusion. This illusion is so named because it was first noticed on a tiled wall in a Bristol cafe. The pattern in the image appears to show sloping grey lines between the black

Simultaneous contrast example. The green squares look brighter on the left, where they are in yellow bands, compared to the right, where they are in blue bands

Hermann-Hering illusion
Hermann grid illusion. The intersections of the white horizontal and vertical lines in this image appear to be grey. But when looked at directly they are clearly white

Penrose stairway. This is an impossible figure created by the physicist Roger Penrose and used by M C Escher in his illustration " Ascending and Descending"

Ehrenstein illusion - illusory contours forming circles. Created in 1954 by the psychologist Walter Ehrenstein, this illusion demonstrates the false perception of areas of increased brightness

Gate control theory of pain, artwork
Gate control theory of pain. Computer artwork of the neural circuit diagram used to represent the gate control theory of pain

Impossible figure, artwork
Impossible figure. Computer artwork of a mug on a piece of paper, both with impossible figures drawn on them. Impossible figures are objects that can be drawn but not created

Optical illusion. This illusion demonstrates that the perception of rotation can vary with the stimulus applied and the way in which the illusion is observed

1649 Rene Descartes portrait philosopher
Rene Descartes, French mathematician and philosopher (31st March 1596 - 11 February 1650). 1835 Steel engraving in " The Gallery of Portraits" by W

Attempting Clairvoyance
Frederick Marion - real name Josef Kraus - Czech stage magician, attempts clairvoyance on the contents of a tin under the direction of Harry Price

Comment on Divorce / Fun
LADIES! LADIES! (The Mystery of Modern Modesty) Antiquity: " And these persons say we were indelicate!" Comment on the Divorce Courts

For sale as Licensed Images

Choose your image, Select your licence and Download the media

"Perception: Unveiling the Intricate Tapestry of Our Minds" Step into a world where reality dances with illusion, and perception reigns supreme. From the enigmatic Rorschach Inkblot Test to the captivating Sensory Homunculus, our minds unravel mysteries hidden within. Behold the Phrenological Head, a scrap of history that once sought to map our thoughts onto physical contours. Yet, it reminds us that perception is not confined to mere anatomy but extends beyond tangible boundaries. Marvel at the Hollow-Face Illusion artwork, where faces deceive as they appear convex instead of concave. It challenges our visual senses and beckons us to question what we truly see. Delve into the intricate diagram of the inner ear, revealing its auditory canal, eardrum, semicircular canals – conduits for balance – cochlea nerve and eustachian tube. Perception intertwines with sound as vibrations transform into meaningful melodies within our minds. Witness George Berkeley's wisdom unfold before your eyes; this Irish philosopher questioned whether objects exist without being perceived. He invites us to ponder how much of reality lies in our own perceptions. Return to the mesmerizing Rorschach Inkblot Test; ink patterns mirror fragments of ourselves back at us. They become mirrors through which we explore our innermost thoughts and emotions. Challenge your senses with the Goblet Illusion; two profiles merge seamlessly into one chalice or vice versa. It showcases how they are shift effortlessly between multiple interpretations. Ascend Penrose Stairs' artistic creation; an optical paradox defying logic as steps lead endlessly upwards or downwards in an impossible loop. Perception confronts reason here, urging us to question what seems impossible yet appears so real. Encounter Ouchi Illusion's unsettling embrace; hands intertwine in a disconcerting manner challenging spatial awareness itself. Our brains grapple with conflicting signals from sight and touch - perception becomes a battleground. Finally, gaze upon the Impossible Triangle artwork.