This article was originally published with the title “ The Interference Theory of Forgetting ” in Scientific American Magazine Vol. 217 No. 4 (October 1967), p. 117 doi:10.1038 ...

Ever wondered why your brain seems to hit the delete button on new info? Psychology has some intriguing theories to explain this common phenomenon.

Many people view forgetting as an inconvenience, and if it occurs extensively, they associate it with neurodegenerative diseases. However, some evidence suggests that nonpathological forgetting is an ...