this recreates the idea that the image was moved during scanning
STEPS:
Command J background
Click Filter > Liquify tool > use the smudge effect tool
this glitch looks like the pixels got mixed up
STEPS:
Command J background
Select face/ part you want to pixelate
Command J
Click filter > pixelate > mosaic > adjust slider
this glitch was common with TV !
STEPS:
Command J background
Select marquee tool
3. Make THIN selections of strips of the image
4. Command J
5. Move tool > left and right keys on key board
this glitch is often from printing issues, where the colors don't line up.
STEPS:
Duplicate background later > command J
Click FX > blending options
Channels> unclick EITHER R,G OR B > click ok
Click on move tool > left and right arrow keys to move