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Cognitive Overload

Attention residue and the price of constant switching

Estimated 2 minute readFor senior leaders1 source

Reduce unnecessary transitions between unfinished tasks. Do not turn a laboratory finding into a universal percentage loss of office productivity.

The performance question

Moving from an unresolved client issue to a strategy paper can leave attention divided between them. Examine whether your work sequence repeatedly creates unfinished handovers. The performance question is whether avoidable interruptions prevent important work from receiving adequate attention.

What the evidence supports

Sophie Leroy’s two experiments found that attention can remain on a previous task and affect performance on the next. The studies examined controlled transitions and task completion conditions. They do not establish a fixed switching cost for every executive role.[1]

A practical approach

Trial grouping related work into blocks. Before a necessary switch, record the next step, owner and return point for the unfinished task so nothing relies solely on memory. Agree a route for genuinely urgent interruptions. Treat this closure note as a practical experiment, not a technique proven by the cited study.

How to review progress

Review completion quality, interruptions and work left unresolved during the trial. Ask whether grouping tasks delayed service or created another queue. Retain changes that help the actual work and avoid calculating money lost from an unsupported switching percentage.

Sources and references

  1. Attention residue when switching between work tasks Opens in a new tab

    Sophie Leroy, Organizational Behavior and Human Decision Processes, 2009

    Original research: abstract and two experimental studies

The evidence section identifies what the cited sources support and the limits of applying it here. The practical steps and review measures are editorial suggestions, not proven outcomes or endorsements by the source publishers. This briefing is general guidance, not clinical, legal or financial advice. Check current guidance and seek qualified advice for your circumstances.

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