Annie Lang is an American communication scholar and psychophysiologist best known for the Limited Capacity Model of Motivated Mediated Message Processing (LC4MP), a data-driven theory of cognitive processing in media communication.
Lang served on the faculty of Washington State University as an assistant professor from 1987 to 1995 and joined Indiana University in 1995, where she directed the Institute for Communication Research until 2004 and later held the title of Distinguished Professor before retiring in 2021.
Education
Lang earned a Bachelor of Science in mass communication from the University of Wisconsin–Madison and a Master of Arts in mass communication from the University of Florida. She completed a Ph.D. in mass communication at the University of Wisconsin–Madison in 1987 with a dissertation titled "The effects of the formal features of television on viewers' attention and arousal: Cardiac response, attention, and arousal."
Career
Lang joined Washington State University as an assistant professor after completing her PhD in 1987.
She moved to Indiana University in 1995 to the then Department of Telecommunications, where she served as director of the Institute for Communication Research for nine years and later as associate dean for research in the College of Arts and Sciences. At Indiana University she held the title of Distinguished Professor of Communication Science and Cognitive Science prior to her retirement in 2021.
Annie Lang's work centres on theories of cognitive processing in media communication. She introduced the Limited Capacity Model of Motivated Mediated Message Processing (LC4MP), which treats communication as an interaction between messages and human information processors with finite cognitive resources. She later developed the Dynamic Human-Centered Communication Systems Theory (DHCCST), framing communication as a complex adaptive system in which embodied individuals interact continuously over time with media and environments.
Lang's publications include critiques and refinements of these models, culminating in a chapter on the evolution from LC4MP to DHCCST in the ICA Handbook series.
↑"Annie Lang". UF College of Journalism and Communications. Retrieved 30 August 2025.
↑Fisher, Jacob T.; Keene, Justin R.; Huskey, Richard; Weber, René (2018-09-01). "The Limited Capacity Model of Motivated Mediated Message Processing: Taking Stock of the Past". Annals of the International Communication Association. 42 (4): 270–290. doi:10.1080/23808985.2018.1534552.
↑Lang, Annie (2014-01-01). "Dynamic human-centered communication systems theory". The Information Society. 30 (1): 60–70. doi:10.1080/01972243.2013.856364.
↑Lang, Annie (2020). "How the LC4MP became the DHCCST: An epistemological fairy tale". In Floyd, Kory; Weber, René (eds.). The handbook of communication science and biology. ICA Handbook series. New York, NY: Routledge. pp.397–408. ISBN9781351235587.
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