Mental overwhelm is often mistaken for having too much to do. In reality, overwhelm is usually caused by too many inputs and too little filtering.
The modern environment constantly feeds the brain:
- Notifications
- Messages
- Tasks
- Information streams
Without a filtering system, everything feels equally important, and the brain interprets this as overload.
The key issue is not volume; it is a lack of prioritisation.
When everything competes for attention, nothing is clearly defined as important. This creates cognitive congestion, where the mind cannot properly process or prioritise information.
Research in cognitive load theory shows that working memory becomes overwhelmed when too many elements compete for attention simultaneously:
https://www.sciencedirect.com/topics/psychology/cognitive-load-theory
The solution is not to do less; necessarily, it is to filter aggressively before processing.
Overwhelm is not external. It is an unstructured internal processing of external input.



