Remoteness sensitive theta network dynamics during early autobiographical memory access
María Carla Navas, Ignacio Ferrelli, María Eugenia Pedreira, Rodrigo S. Fernández, Luz Bavassi · 2026
Read Remoteness sensitive theta network dynamics during early autobiographical memory access by María Carla Navas, Ignacio Ferrelli, María Eugenia Pedreira, Rodrigo S. Fernández, Luz Bavassi (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/PMC13562634.txt.
Description
María Carla Navas and four colleagues listen to brain waves in the first moments of remembering one's own past, asking whether old and fresh memories sound different. Personal memory supports planning and social life, and its age might change how the brain fetches it. The 2026 study recorded scalp electrical activity from 41 volunteers during a memory task. The team measured wave power and directed information flow across the first 1500 milliseconds after a memory surfaced.
Distant memories raised theta-band power, waves around 6.5 to 8 cycles per second, over the front-central scalp near 900 milliseconds. Recent memories did not. Information still flowed from front to back for both kinds, yet the network for distant memories ran denser and more efficiently between 800 and 1100 milliseconds. The authors read theta activity as a precise clock-time marker of how memory age shapes retrieval, useful for separating the access stage from later elaboration.
Catalog record
| CREATOR | María Carla Navas, Ignacio Ferrelli, María Eugenia Pedreira, Rodrigo S. Fernández, Luz Bavassi |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 79826 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |