
Mind Wandering is Inevitable Over Time - Neuroscience News

When it comes to focused attention, we focus on one thing only, something we can sustain for only a few seconds. The maximum duration of focused attention seems not to have changed over time (Doyle and Zakrajsek 2013, 91). Focused attention is different from “sustained attention,” which we need to stay focused on one task for a longer period and is
... See moreSönke Ahrens • How to Take Smart Notes: One Simple Technique to Boost Writing, Learning and Thinking
I think it is more helpful to talk about the underlying processes: spontaneous thought, or the decoupling of attention from perception, which is what happens when our thoughts separate from our perception of the environment. Both these processes take place during mind-wandering and daydreaming.
Tim Vernimmen • The science of a wandering mind
however it might be, it is obvious that we are surrounded by more sources of distraction and less opportunities to train our attention spans.
Sönke Ahrens • How to Take Smart Notes: One Simple Technique to Boost Writing, Learning and Thinking
A more stressed society will be less able to resist distractions.