Blunders In Chess

What are the most common blunders made in chess? For example I sometimes fail to see sideways moves. Also I sometimes make counting errors, I try to exchange pieces and find my opponent has one more piece than I do and comes out ahead.  What causes you to make blunders? What kinds of blunders do masters and gms make?

Backwards moves. Also, that weird rook tactic when you throw the rook up to the eighth rank and it interferes with everything. You Won't Believe This Simple Trap Even GMs Miss - Chess.com 

Someone... Geller? Kotov?... wrote a whole chapter on the characteristics of typical blunders.

I sometimes fall afoul of the Retained Image blunder... when calculating a long sequence of moves, I sometimes assume that a particular piece is still sitting on a certain square even if the line I'm examining has that piece move off somewhere else.