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Stephen Kosslyn

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Stephen M. Kosslyn
Kosslyn in 2021
Born1948 (age 77–78)
California, U.S.
Education
AwardsNAS Award for Initiatives in Research, Guggenheim fellowship, Cattell Award, Prix Jean-Louis Signoret
Scientific career
Fields
Workplaces

Stephen M. Kosslyn (born 1948) is an American psychologist and neuroscientist.[1] He is a former chair of the psychology department and dean of social sciences at Harvard University, where he is a professor emeritus.[2][3] Kosslyn is also the president of Active Learning Sciences, Inc., which provides AI software to educational companies.[4]

Work

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Kosslyn was an early contributor to cognitive science[5] and then was one of the founders of cognitive neuroscience.[6] His research areas include mental imagery, the neural bases of visual cognition, and the science of learning.

Kosslyn's research addressed the "imagery debate," a long-standing controversy in cognitive science over whether mental images are depictive or propositional.[7] Beginning with computational modelling studies in the 1970s and later incorporating neuroimaging and transcranial magnetic stimulation research, Kosslyn argued that multiple lines of evidence supported the depictive view of mental imagery. In 2015, he and Joel Pearson co-authored a paper The Heterogeneity of Mental Representation: Ending the Imagery Debate.[7][8][9]

Mental imagery

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Kosslyn has researched mental images.[10][11] His studies demonstrated that people take longer to mentally scan greater distances across objects in their mental images.[12][13] He also found that people could detect more details of objects in their mental images when they mentally "zoomed in" on them.[14][15][16] In addition, he documented that the size and shape of the "mental screen" on which visualized objects appear is similar in scope and shape to the field of visual attention in perception (when actually seeing, not visualizing with eyes closed).[17] He and his colleagues also demonstrated that depictive visual mental imagery can be implemented in computational systems.[11][18] These models posited that visual mental imagery relies on distinct sets of processing components.[19][20]

Visual cognition

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Kosslyn proposed a detailed theory of how visual information is stored and accessed in the brain during cognition.[19] According to this theory, visual mental images are generated into the occipital cortex when we need high resolution.[21][22] After they are generated into this structure, they can be interpreted and transformed via interactions with specific other brain areas.[23][24] Kosslyn and his colleagues showed that the left cerebral hemisphere relies on "categorical" spatial representations, whereas the right cerebral hemisphere relies on metric, "coordinate", representations.[25][26] Kosslyn and his colleagues showed that visual mental imagery relies on most of the same brain regions that underlie visual perception.[27]

Kosslyn's research has examined individual differences in cognitive style, including distinctions between object visualisers, who tend to process detailed pictorial images, and spatial visualisers, who tend to process spatial relationships and transformations. His studies have also examined the implications of these differences for cognitive processing and education.[28][29]

Kosslyn has also conducted research on the neural correlates of deception, including studies investigating patterns of brain activity associated with different forms of deceptive behaviour. In addition, he was involved in the development of the MiniCog Rapid Assessment Battery, a portable cognitive assessment system developed with funding from NASA and the National Space Biomedical Research Institute for evaluating cognitive performance during long-duration space missions.[30][31]

Cognitive science in education

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Kosslyn has attempted to apply principles from cognitive science to improve how people learn, such as using cognitive principles to make data displays—such as graphs, charts, and diagrams—easier to understand.[32][33] He developed guidelines for creating effective PowerPoint slides and other forms of visual communication.[34]

Kosslyn has also proposed ways to design online courses based on principles from cognitive science.[35][36][37] Kosslyn proposed the concept of the "Cognitive Amplifier Loop"—a procedure that is intended to help humans interact with AI.[38]

Biography

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Kosslyn attended graduate school at Stanford University and received a PhD in psychology from Stanford in 1974.[39] After an appointment as assistant professor of psychology at Johns Hopkins, he joined the faculty at Harvard in 1977, where he later served as the departmental chair, Dean of Social Sciences, and the John Lindsley Professor.[3][40] He also was codirector of the Mind of the Market Lab at Harvard Business School and was an associate in the department of neurology at the Massachusetts General Hospital. In 2010, Kosslyn was appointed director of the Center for Advanced Study in the Behavioral Sciences at Stanford University.[41] Following this, Kosslyn was the Founding Dean and Chief Academic Officer of the Minerva Schools (now Minerva University).[42][43] He then was the founder and chief academic officer of Foundry College, an online two-year college.[44]

He is founder, president and CEO of Active Learning Sciences, Inc.[4]

Awards Kosslyn has won include the National Academy of Sciences Initiatives in Research Award, three honorary doctorates (from the University of Caen, France; the University of Paris-Descartes, France; the University of Bern, Switzerland),[citation needed] and a Guggenheim fellowship,[45] He was elected to the American Academy of Arts and Sciences, and the Society of Experimental Psychologists.[citation needed]

Ties with Jeffrey Epstein

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Between 1998 and 2002, Harvard received $200,000 in donations from Jeffrey Epstein to support Kosslyn's research.[46][47] In 2003 Kosslyn contributed a note to Jeffrey Epstein's birthday book (where he was classified as a "scientist" and not a "friend").[48] In 2008, Kosslyn visited Epstein in Palm Beach County Jail.[49]

A report from Harvard University shows that Kosslyn had known Epstein for about nine years and supported his application as a visiting fellow in the department of psychology in September 2005.[50][51] The report noted that Kosslyn did not disclose Epstein's donations in the accompanying documents. Epstein "lacked academic qualifications", but there was speculation that his application was approved with the support of Kosslyn as the head of the department.[46][51] The report also noted that disclosure was not requested, and that Harvard—having accepted the gifts—was previously aware of this funding. Epstein withdrew from his appointment in 2006 following his arrest for sex criminal offenses.[46] An early version of a book by Epstein victim Virginia Roberts Giuffre (then called "The Billionaire's Playboy Club") named Kosslyn as someone she was required to have sex with, but the description of the perpetrator was changed and Kosslyn's name was removed from the published version, Nobody's Girl (page 133).[52]

In February 2026, The Wall Street Journal reported that email correspondence released in connection with the Epstein case included exchanges between Jeffrey Epstein and Stephen M. Kosslyn, including after Epstein’s 2008 conviction. The Journal reported that Kosslyn sent Epstein a birthday message in January 2008, writing, “May the coming year be infinitely better than the previous one,” and that Epstein later wrote that “unfortunately jail starts monday.”[53] The Journal also reported that other emails showed Kosslyn working with Epstein on drafting scripts for reporters in an effort to improve Epstein’s public image.[53] Bloomberg News reported that in June 2008, around the time Epstein was beginning his jail sentence, Kosslyn replied to a message from Epstein with “DAMN! Let me know how/if I can help,” in the context of email correspondence between the two.[54]

Selected publications

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Kosslyn has published over 350 scientific papers and written or co-authored 16 books and edited or co-edited 14 books, including the following:[55][56]

Selected books

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  • Kosslyn, Stephen M. (1980). Image and mind. Cambridge, Massachusetts: Harvard University Press. ISBN 978-0-674-44366-2.
  • Kosslyn, Stephen M. (1983). Ghosts in the mind's machine: Creating and using images in the brain. New York: W. W. Norton. ISBN 978-0-393-95257-5.
  • Kosslyn, Stephen M. (1994). Elements of graph design. New York: W. H. Freeman. ISBN 978-0-7167-2362-2.
  • Kosslyn, Stephen M. (1994). Image and brain: The resolution of the imagery debate. Cambridge, Massachusetts: The MIT Press. ISBN 978-0-262-277488. (doi:10.7551/mitpress/3653.003.0002)
  • Kosslyn, Stephen M.; Koenig, Olivier (1995). Wet mind: The new cognitive neuroscience. New York: Free Press. ISBN 978-0-02-874085-0.
  • Kosslyn, Stephen M.; Rosenberg, Robin S. (2001). Psychology: The brain, the person, the world. New York: Allyn and Bacon. ISBN 978-0-205-27465-9.
  • Kosslyn, Stephen M.; Thompson, William L.; Ganis, Giorgio (2006), The case for mental imagery. New York: Oxford University Press. ISBN 978-0-19-517908-8. (doi:10.1093/acprof:oso/9780195179088.003.0006)
  • Kosslyn, Stephen M. (2006). Graph design for the eye and mind. New York: Oxford University Press. ISBN 978-0-19-531184-6.
  • Smith, Edward E.; Kosslyn, Stephen M., eds. (2007). Cognitive psychology: Mind and brain. Upper Saddle River, N.J: Pearson/Prentice Hall. ISBN 978-013-182508-6.
  • Kosslyn, Stephen M. (2007). Clear and to the point: 8 psychological principles for compelling PowerPoint presentations. New York: Oxford University Press. ISBN 978-0-19532069-5.
  • Kosslyn, Stephen M.; Rosenberg, Robin S. (2010). Psychology in context. New York: Allyn & Bacon. ISBN 9780205456147. (3rd ed.)
  • Kosslyn, Stephen M. (2010). Better PowerPoint: Quick fixes based on how your audience thinks. New York: Oxford University Press. ISBN 978-0-19-537675-3.
  • Kosslyn, Stephen M.; Miller, G. Wayne (2013). Top brain, bottom brain: Surprising insights into how you think. Riverside: Simon & Schuster. ISBN 978-1-4516-4510-1.
  • Rosenberg, Robin, S.; Kosslyn, Stephen M. (2014). Abnormal psychology (2nd ed.). New York: Worth Publishing. ISBN 1429242167.
  • Kosslyn, Stephen M.; Nelson, Ben, eds. (2017). Building the intentional university: Minerva and the future of higher education. Cambridge, Massachusetts: The MIT Press. ISBN 978-0-262-03715-0.
  • Kosslyn, Stephen M. (2020). Active learning online: Five principles that make online courses come alive. Boston, Massachusetts: Alinea Learning. ISBN 978-1735810706.
  • Kosslyn, Stephen M. (2023). Active learning with AI: A practical guide. Boston Massachusetts: Alinea Learning. ISBN 979-8989214006.
  • Kosslyn, Stephen M. (2024). Learning to flourish in the age of AI. New York: Routledge. ISBN 978-1-032-68665-3.

References

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  1. ↑ "Harvard social sciences dean Kosslyn moves to Stanford center". Harvard Magazine. 2010-08-03.
  2. ↑ Park, June-hee (2024-12-24). "AI could cool Korea's med school frenzy, says former Harvard dean". Korea Herald.
  3. 1 2 "Stephen M Kosslyn".
  4. 1 2 "Active Learning Sciences, Inc".
  5. ↑ Gardner, Howard (1987). The mind's new science; A history of the cognitive revolution. New York: Basic Books. ISBN 0465046355.
  6. ↑ Gazzaniga, Michael S.; Ivry, Richard B.; Mangun, George R. (1998). Cognitive neuroscience: The biology of the mind (1st ed.). New York: W.W. Norton. ISBN 0-393-97219-4.
  7. 1 2 Nanay, Bence (2026), "Mental Imagery", in Zalta, Edward N.; Nodelman, Uri (eds.), The Stanford Encyclopedia of Philosophy (Spring 2026 ed.), Metaphysics Research Lab, Stanford University, retrieved 2026-06-08
  8. ↑ Langland, -Hassan Peter (2025). "The Imagery Debate Exhumed and Reanimated". The British Journal for the Philosophy of Science. 0 (ja) 737739. doi:10.1086/737739.
  9. ↑ Pearson, David G. (2025-04-03). "Computable creativity: lessons learned from mental imagery research". Journal of Cognitive Psychology: 1–13. doi:10.1080/20445911.2025.2485203. ISSN 2044-5911.
  10. ↑ Kosslyn, Stephen M.; Pomerantz, James R. (1977). "Imagery, propositions, and the form of internal representations". Cognitive Psychology. 9 (1): 52–76. doi:10.1016/0010-0285(77)90004-4.
  11. 1 2 Kosslyn, Stephen M. (1980). Image and mind. Cambridge, Massachusetts: Harvard University Press. ISBN 9780674443662.
  12. ↑ Kosslyn, Stephen M. (1973). "Scanning visual images: Some structural implications". Perception & Psychophysics. 14 (1): 90–94. doi:10.3758/BF03198621.
  13. ↑ Kosslyn, Stephen M.; Ball, Thomas M.; Reiser, Brian J. (1978). "Visual images preserve metric spatial information: Evidence from studies of image scanning". Journal of Experimental Psychology: Human Perception and Performance. 4 (1): 47–60. doi:10.1037/0096-1523.4.1.47. PMID 627850.
  14. ↑ Kosslyn, Stephen M. (1975). "Information representation in visual images". Cognitive Psychology. 7 (3): 341–370. doi:10.1016/0010-0285(75)90015-8.
  15. ↑ Kosslyn, Stephen M. (1976). "Can imagery be distinguished from other forms of internal representation? Evidence from studies of information retrieval times". Memory & Cognition. 4 (3): 291–297. doi:10.3758/BF03213178. PMID 21287037.
  16. ↑ Kosslyn, Stephen M.; Alper, Steven N. (1977). "On the pictorial properties of visual images: Effects of image size on memory for words". Journal of Psychology. 31 (1): 32–40. doi:10.1037/h0081649. PMID 858090.
  17. ↑ Kosslyn, Stephen M. (1978). "Measuring the visual angle of the mind's eye". ScienceCognitive Psychology. 10 (3): 356–389. doi:10.1016/0010-0285(78)90004-x. PMID 688748.
  18. ↑ Kosslyn, Stephen M.; Shwartz, Steven P. (1977). "A simulation of visual imagery". Cognitive Science. 1 (3): 265–295. doi:10.1207/s15516709cog0103_2.
  19. 1 2 Kosslyn, Stephen M. (1994). Image and brain: The resolution of the imagery debate. Cambridge, Massachusetts: The MIT Press. doi:10.7551/mitpress/3653.003.0002. ISBN 978-0-262-277488.
  20. ↑ Farah, Martha J. (1984). "The neurological basis of mental imagery: a componential analysis". Cognition. 18 (1–3): 245–72. doi:10.1016/0010-0277(84)90026-x. PMID 6396031.
  21. ↑ Kosslyn, S. M.; Pascual-Leone, A.; Felician, O.; Camposano, S.; Keenan, J.P.; L., W.; Thompson; Ganis, G.; Sukel, K. E.; Alpert, N.M. (1999). "The role of area 17 in visual imagery: Convergent evidence from PET and rTMS". Science. 284 (5411): 167–170. doi:10.1126/science.284.5411.167. PMID 10102821.
  22. ↑ Kosslyn, Stephen M.; Thompson, William L. (2003). "When is early visual cortex activated during visual mental imagery?". Psychological Bulletin. 129 (5): 723–746. doi:10.1037/0033-2909.129.5.723. PMID 12956541.
  23. ↑ Rueckl, Jay G.; Cave, Kyle R.; Kosslyn, Stephen M. (1989). "Why are "what" and "where" processed by separate cortical visual systems? A computational investigation". Journal of Cognitive Neuroscience. 1 (2): 171–186. doi:10.1162/jocn.1989.1.2.171. PMID 23968464.
  24. ↑ Kosslyn, Stephen M. (1987). "Seeing and imagining in the cerebral hemispheres: A computational approach". Psychological Review. 94 (2): 148–175. doi:10.1037/0033-295X.94.2.148. PMID 3575583.
  25. ↑ Kosslyn, Stephen M.; Koenig, Olivier; Barrett, Anna; Cave, Carolyn Backer; Tang, Joyce; Gabrieli, John D. E. (1989). "Evidence for two types of spatial representations: Hemispheric specialization for categorical and coordinate relations". Journal of Experimental Psychology: Human Perception and Performance. 15 (4): 723–735. doi:10.1037/0096-1523.15.4.723. PMID 2531207.
  26. ↑ Kosslyn, Stephen M.; Thompson, William L.; Sukel, Katherine E.; Alpert, Nathaniel M. (2005). "Two types of image generation: Evidence from PET". Cognitive, Affective, & Behavioral Neuroscience. 5 (1): 41–53. doi:10.3758/CABN.5.1.41. PMID 15913007.
  27. ↑ Ganis, Giorgio; Thompson, William L; Kosslyn, Stephen M (2004). "Brain areas underlying visual mental imagery and visual perception: an fMRI study". Cognitive Brain Research. 20 (2): 226–241. doi:10.1016/j.cogbrainres.2004.02.012. PMID 15183394.
  28. ↑ Kozhevnikov, Maria; Kosslyn, Stephen; Shephard, Jennifer (2005). "Spatial versus object visualizers: A new characterization of visual cognitive style". Memory & Cognition. 33 (4): 710–726. doi:10.3758/BF03195337. PMID 16248335. S2CID 11705318.
  29. ↑ Kozhevnikov, Maria; Evans, Carol; Kosslyn, Stephen M. (2014-05-01). "Cognitive Style as Environmentally Sensitive Individual Differences in Cognition: A Modern Synthesis and Applications in Education, Business, and Management". Psychological Science in the Public Interest. 15 (1): 3–33. doi:10.1177/1529100614525555. hdl:10072/397056. ISSN 1529-1006. PMID 26171827.
  30. ↑ "NATIONAL SPACE BIOMEDICAL RESEARCH INSTITUTE Annual Scientific and Technical Report" (PDF). ntrs.nasa.gov. October 1, 2003 – September 30, 2004.
  31. ↑ Ganis, G.; Kosslyn, S.M.; Stose, S.; Thompson, W.L.; Yurgelun-Todd, D.A. (2003-08-01). "Neural Correlates of Different Types of Deception: An fMRI Investigation". Cerebral Cortex. 13 (8): 830–836. doi:10.1093/cercor/13.8.830. ISSN 1047-3211. PMID 12853369.
  32. ↑ Kosslyn, Stephen M. (2007). Graph design for the eye and mind. New York: Oxford University Press. ISBN 978-0-19-531184-6.
  33. ↑ Kosslyn, Stephen M. (2007). Clear and to the point: 8 psychological principles for compelling PowerPoint presentations. New York, NY: Oxford University Press. ISBN 978-0-19-532069-5.
  34. ↑ Kosslyn, Stephen M.; Kievit, Rogier A.; Russell, Alexandra G.; Shephard, Jennifer M. (2012). "PowerPoint presentation flaws and failures: A psychological analysis". Frontiers in Psychology. 3: 230. doi:10.3389/fpsyg.2012.00230. PMC 3398435. PMID 22822402.
  35. ↑ Kosslyn, Stephen M. (2018). Nelson, Ben (ed.). Building the intentional university: Minerva and the future of higher education. The MIT Press. ISBN 978-0-262-53619-6.
  36. ↑ Kosslyn, Stephen M.; Goldberg, Robin B.; Cannon, Teri; et al. (In Kosslyn, Stephen M; Nelson, Ben. eds.) (2017). "Unlearning to learn.". Building the intentional university: Minerva and the future of higher education. Cambridge, Massachusetts: The MIT Press. pp. 139–149. doi:10.7551/mitpress/9780262037150.003.0010. ISBN 978-0-262-03715-0.
  37. ↑ Kosslyn, Stephen M. (2020). Active learning online: Five principles that make online courses come alive. Boston, MA: Alinea Learning. ISBN 978-1735810706.
  38. ↑ Kosslyn, Stephen M. (2024). Learning to flourish in the age of AI. New York: Routledge & CRC Press. ISBN 978-1-032-68665-3.
  39. ↑ Kosslyn, S. M. (1974). Constructing visual images (Doctoral dissertation, Stanford University). Stanford University Libraries.
  40. ↑ harvardgazette (24 April 2008). "Stephen Kosslyn named divisional dean for the social sciences". Harvard Gazette.
  41. ↑ Harvard Magazine (3 August 2010). "Social sciences dean Kosslyn departs". Harvard Magazine.
  42. ↑ "A new university bets on a hybrid online-learning model". DAWN.COM. 18 January 2014.
  43. ↑ "Behavior Expert Seizes Chance to Run an Ambitious Experiment in Higher Education". The Chronicle of Higher Education. 2013-04-08.
  44. ↑ O'Melveny (12 October 2018). "O'Melveny guides Foundry College's financing campaign".
  45. ↑ "Stephen M. Kosslyn - John Simon Guggenheim Memorial Foundation".{{cite web}}: CS1 maint: deprecated archival service (link)
  46. 1 2 3 Burke, Lilah. "Harvard Reviews Connections to Epstein". Inside Higher Ed.
  47. ↑ "Report Concerning Jeffrey E. Epstein's Connections to Harvard University". ogc.harvard.edu.
  48. ↑ "Epstein's Birthday Album Includes Notes Apparently Signed by Harvard Faculty, Administrators". The Harvard Crimson. 2024-05-16.
  49. ↑ Kucheria, Aadi; Dolce, Ashton (February 5, 2026). "Former Stanford academic Stephen Kosslyn Ph.D. '74 visited Epstein in jail, faced allegation of sexual assault". The Stanford Daily. Retrieved 26 February 2026.
  50. ↑ "Epstein visited Harvard office after sex offender conviction". The Independent. ISSN 0362-4331. Archived from the original on 30 November 2024.
  51. 1 2 Levenson, Michael (2020-05-01). "Harvard Kept Ties With Jeffrey Epstein After '08 Conviction, Report Shows". The New York Times. ISSN 0362-4331.
  52. ↑ Giuffre, Virginia R. (2025). Nobody's Girl: A Memoir of Surviving Abuse and Fighting for Justice. New York: Knopf. ISBN 978-0593493120.
  53. 1 2 Safdar, Khadeeja; Mehta, Neil (2026-02-06). "'Ignore It.' How the Elite Consoled Jeffrey Epstein Over His Crimes". The Wall Street Journal. Retrieved 2026-02-10.
  54. ↑ Abelson, Max; Mattu, Surya; Leopold, Jason; Benny-Morrison, Ava; Wilson, Harry; Kao, Jeff; Mehrotra, Dhruv (2025-09-25). "The Network: Jeffrey Epstein's private emails show the support and advice the disgraced financier got in his "hour of terror."". Bloomberg. Retrieved 2026-02-10.
  55. ↑ "Details of books published". Wayback Machine.Archive index at the Wayback Machine
  56. ↑ "List of publications". Wayback Machine.Archive index at the Wayback Machine
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