Dual-coding theory: Difference between revisions

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{{Short description|Theory of cognition}}

[[File:Visual-Storytelling.jpg|thumb|275x275px|Visual Storytelling by Suhani Gowan.<ref>{{Cite journal |jstor = 985378|title = The Principle of Associative Symmetry|journal = Proceedings of the American Philosophical Society|volume = 106|issue = 2|pages = 135–163|last1 = Asch|first1 = Solomon E.|last2 = Ebenholtz|first2 = Sheldon M.|year = 1962}}</ref>]]

'''Dual-coding theory''' is a theory of cognition that suggests that the mind processes information along two different channels; verbal, and visualnonverbal. It was hypothesized by [[Allan Paivio]] of the University of Western Ontario in 1971. In developing this theory, Paivio used the idea that the formation of mental imagesimagery aids learning through the [[picture superiority effect]].<ref name="Reed, Stephen K.-2012">{{Cite book|last=Reed, Stephen K.|title=Cognition : theories and applications|date=12 April 2012|publisher=Wadsworth, Cengage Learning |isbn=978-1-133-49228-3|oclc=1040947645}}</ref>

According to Paivio, there are two ways a person could expand on learned material: verbal associations and imagery. Dual-coding theory postulates that both sensory imagery and verbal [[information]] is used to represent information.<ref>{{Citation |last1=Sadoski |first1=Mark |title=A Dual Coding Theoretical Model of Reading |url=http://dx.doi.org/10.1598/0872075028.47 |work=Theoretical Models and Processes of Reading |pages=1329–1362 |place=DE |publisher=International Reading Association |access-date=2022-04-23 |last2=Paivio |first2=Allan|doi=10.1598/0872075028.47 }}</ref><ref name="Sternberg-2016">{{Cite book|last=Sternberg |first=Robert J |title=Cognitive psychology|date=January 2016|publisher=Cengage Learning |isbn=978-1-305-64465-6|oclc=1037299606}}</ref> Imagery and verbal information are processed differently and along distinct channels in the human mind, creating separate representations for information processed in each channel. The mental codes corresponding to these representations are used to organize incoming information that can be acted upon, stored, and retrieved for subsequent use. Both imagery and verbal codes can be used when recalling information.<ref name="Sternberg-2016" /> For example, say a person has stored the stimulus concept "dog" as both the word 'dog' and as the image (appearance, sound, smell, and other sensory information) of a dog. When asked to recall the stimulus, the person can retrieve either the word or the image individually, or both simultaneously. If the word is recalled, the image of the dog is not lost and can still be retrieved at a later point in time. The ability to code a stimulus two different ways increases the chance of remembering that item compared to if the stimulus was only coded one way.