[3] From 2018 to 2020, Overmann was a Marie Skłodowska-Curie Actions (MSCA) postdoctoral research fellow at the University of Bergen (project 785793).
[3][10][11] The results of analyzing the updated token catalogue were published in 2019 as a component of Overmann's book, The Material Origin of Numbers.
[4][12] She coined the term "ephemeral abacus" to refer to temporary material forms with inherent place value (exponential structure), including collaborative finger-counting and counting by sorting.
[13] Overmann has analyzed early writing in Mesopotamia, showing how script and literacy emerged from the practice of handwriting small pictures over the course of about 15 centuries of time.
[22][23] She has also analyzed Jane Austen's novel Emma as a gender-reversed version of Pride and Prejudice[24] and written about conceptions of the mind and madness in the Regency era.