Same ages, different stages: Pubertal development in 9- and 10-year olds is associated with entropy of fMRI signals
Kirsten MP McKone, Donovan J Roediger, Stefanie L Sequeira, Ellery Island, Monica Luciana, Mark B Fiecas, Bryon A Mueller, Bonnie Klimes-Dougan, Kathryn R Cullen · 2026
Read Same ages, different stages: Pubertal development in 9- and 10-year olds is associated with entropy of fMRI signals by Kirsten MP McKone, Donovan J Roediger, Stefanie L Sequeira, Ellery Island, Monica Luciana, Mark B Fiecas, Bryon A Mueller, Bonnie Klimes-Dougan, Kathryn R Cullen (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13571737.txt.
Description
Kirsten McKone and co-authors tie early puberty to a brain signal trait in a 2026 study. The trait is entropy, a gauge of how varied and flexy brain signals are over time. Puberty sparks broad brain change, yet how entropy shifts in that phase was not well known.
Data came from a large United States study of close to seven thousand children aged 9 and 10. Parents rated puberty stage, spit tests gauged hormone levels, and brain scans gave entropy maps. More advanced puberty went with higher entropy in back and side brain zones. The links showed most clearly in girls across most measures, with weaker signs in boys.
Catalog record
| CREATOR | Kirsten MP McKone, Donovan J Roediger, Stefanie L Sequeira, Ellery Island, Monica Luciana, Mark B Fiecas, Bryon A Mueller, Bonnie Klimes-Dougan, Kathryn R Cullen |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 62 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |