Lee Ryan

Professor
Director, Cognition and Neuroimaging Laboratory
Director, Brain Imaging Center, BIO5
Associate Director, Evelyn F. McKnight Brain Institute
Ryan Headshot
520-621-7443
ryant@arizona.edu
Pronouns:
She, Her, Hers

Research Interests: 

  • Neurological basis of memory and memory disorders, aging and memory, and risk for Alzheimer’s disease.
  • Magnetic resonance imaging methods.

Updated: 09/12/25

Selected Publications: 

  • Ryan L, De Both MD, Johnson M, Hoscheidt SM, Sharmac S, Chambers D, Matijevic S, Precision Aging® Network, Huentelman M. MindCrowd-Expanded: An online multi-domain assessment of cognitive aging. Gerontology. 2025 Jul 14:1-33. doi: 10.1159/000547246. Epub ahead of print. PMID: 40658999.
  • Matijevic S & Ryan L. (2025). Global and tract-specific differences between younger and older adults in DTI measures of white matter integrity. Front Aging Neurosci. May 30;17:1562660. doi: 10.3389/fnagi.2025.1562660. PMID: 40520534; PMCID: PMC12162919.
  • Matijevic S, Hoscheidt S, & Ryan L. (2024). Semantic details in autobiographical memory narratives increase with age among younger adults. Memory, 13:1–11. doi: 10.1080/09658211.2024.2373502. PMID: 38870423.
  • Ryan L, Palmer JM, Huentelman M. (2024). Beyond Alzheimer’s Disease: APOE ε4 and the Aging Brain. Journal of Neurology and Neuroscience. Vol. 15 No.S9:005.
  • Hay M, Ryan L, Huentelman M, Konhilas J, Hoyer-Kimura C, Beach TG, Serrano GE, Reiman EM, Blennow K, Zetterberg H, Parthasarathy S. (2021). Serum Neurofilament Light is elevated in COVID-19 Positive Adults in the ICU and is associated with Co-Morbid Cardiovascular Disease, Neurological Complications, and Acuity of Illness. Cardiol Cardiovasc Med. Oct;5(5):551-565. PMCID: PMC8547787.
  • Lewis CR, Talboom J S, De Both MD, Schmidt AM, Naymik MA,  Håberg AK, Rundek T, Levin BE, Hoscheidt S, Bolla Y, Brinton RD, Hay M, Barnes CA, Glisky E, Ryan L, & Huentelman MJ. (2021). Smoking is associated with impaired verbal learning and memory performance in women more than men. Scientific reports, 11(1), 10248.
  • Glisky EL, Alexander GE, Hou M, Kawa K, Woolverton CB, Zigman EK, Nguyen LA, Haws K, Figueredo AJ, Ryan L. (2021). Differences between young and older adults in unity and diversity of executive functions. Neuropsychol Dev Cogn B Aging Neuropsychol Cogn. 8:1-26. 

Courses Taught:

  • PSY 502 - Principles of Neuroanatomy (2024)
  • PSY 528 - Cognitive Neuroscience: MRI Applications in Cognitive Neuroscience (2016)

*Year listed indicates when this individual last taught the specified course.

Updated: 09/12/25

Degrees

  • Ph.D. Cognitive and Clinical Psychology, University of British Columbia (1992)