bambsolution

Cognitive- / Gestalt Effects

• Blur & picture content – spatial filtering (or high frequency masking)
• Hidden message – blur & figure-ground discrimination
• Kanizsa’s Triangle – depends on context
• Blotted letters – Gestalt completion
• Hidden Figures – Dalmatian Dog with 2 helpers
• Hidden Bird – more camouflage
• Rotation – changes the interpretation
• Impossible Objects – draw your own impossible object
• Hallucii – An “impossible” Movie

Specialties with faces

• Rotating face mask – hollow faces
• Find the Face (in the Beans) – a picture puzzle
• The face on Mars – imaginations of perception
• The »Thatcher Illusion« – inverted faces lose their emotional message
• »Ghostly Gaze« Illusion
• Dr. Angry and Mr. Smile – two messages in two spatial frequency bands
• The Lincoln Effect