Sarah E. Polk

External LIFE Fellow from 2019 to 2022, MPI for Human Development, Berlin

Dr. rer. nat.

Dissertation Completed in October 2022

Aerobic Exercise for the Promotion of Healthy Aging: Changes in Brain Structure Assessed With New Methods

(Advisors: Sandra Düzel & Ulman Lindenberger)

Selected Publications

Polk, S. E., Kleemeyer, M. M., Bodammer, N. C., Misgeld, C., Porst, J., Wolfarth, B., Kühn, S., Lindenberger, U., Düzel, S., & Wenger, E. (2023). Aerobic exercise is associated with region-specific changes in volumetric, tensor-based, and fixel-based measures of white matter integrity in healthy older adults. Neuroimage: Reports, 3(1), Article 100155. https://doi.org/10.1016/j.ynirp.2022.100155

Polk, S. E., Kleemeyer, M. M., Köhncke, Y., Brandmaier, A. M., Bodammer, N. C., Misgeld, C., Porst, J., Wolfarth, B., Kühn, S., Lindenberger, U., Wenger, E., & Düzel, S. (2022). Change in latent gray matter structural integrity is associated with change in cardiovascular fitness in older adults who engage in at-home aerobic exercise. Frontiers in Human Neuroscience, 16, Article 852737. https://doi.org/10.3389/fnhum.2022.85273

Wenger, E., Polk, S. E., Kleemeyer, M. M., Weiskopf, N., Bodammer, N. C., Lindenberger, U., & Brandmaier, A. M. (2022). Reliability of quantitative multiparameter maps is high for magnetization transfer and proton density but attenuated for R₁ and R₂* in healthy young adults. Human Brain Mapping, 43(11), 3585–3603. https://doi.org/10.1002/hbm.25870