Template:Hidden messages

Subliminal messages

Audio

• Backmasking
• Reverse speech
• Spectrogram

Numeric

• Numerology
• Theomatics
• Bible code
• Cryptography

Visual

• Fnord
• Paranoiac-critical method
• Pareidolia
• Psychorama
• Sacred geometry
• Steganography

See also

• Anagram
• Apophenia
• Easter egg (media)
• Clustering illusion
• Observer-expectancy effect
• Pattern recognition (psychology)
• Paradox
• Palindrome
• Unconscious mind