n. a phenomenon whereby, during a test on memory recall, the participant recalls some items not included in the memorization task but are from the same category. See categorized list. Also deese paradigm.

CATEGORICAL INTRUSION: "Because some categories have far too many familiar items within them (.e.g animals, names) they may result in a 'false memory' called a categorical intrusion."
Cite this page: N., Pam M.S., "CATEGORICAL INTRUSION," in, April 7, 2013, (accessed September 27, 2021).