An auto-associative memory is an associative memory where the input and output are identical. This initially does not seem useful, however it may be used where the input is in some way incomplete or noisy and the auto-encoder recreates a full or noise-free image.
Used in Chap. 6: page 80; Chap. 10: page 138; Chap. 12: page 182
Also known as auto-associative