Editing Unconscious mind (section)

===Unconscious processing of information about frequency===
An extensive line of research conducted by Hasher and Zacks<ref>{{cite journal |vauthors=Hasher L, Zacks RT |title=Automatic processing of fundamental information: the case of frequency of occurrence |journal=Am Psychol |volume=39 |issue=12 |pages=1372–88 |date=December 1984 |pmid=6395744 |doi=10.1037/0003-066X.39.12.1372 }}</ref> has demonstrated that individuals register information about the frequency of events automatically (outside conscious awareness and without engaging conscious information processing resources). Moreover, perceivers do this unintentionally, truly "automatically", regardless of the instructions they receive, and regardless of the information processing goals they have. The ability to unconsciously and relatively accurately tally the frequency of events appears to have little or no relation to the individual's age,<ref name=Connolly>Connolly, Deborah Ann (1993). ''[http://scholars.wlu.ca/etd/636/ A developmental evaluation of frequency information in lists, scripts, and stories]'' (M.A. thesis) Wilfrid Laurier University</ref> education, intelligence, or personality. Thus it may represent one of the fundamental building blocks of human orientation in the environment and possibly the acquisition of [[procedural knowledge]] and experience, in general.