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Cognitive phenomenon identified by researcher Sophie Leroy in 2009 where part of our attention remains focused on a previous task even after switching to a new one. This residue impairs performance on the current task, with studies showing it takes an average of 23 minutes to fully regain focus after distractions. The ready-to-resume plan technique can mitigate this effect.

A productivity technique based on research showing that part of your attention remains on previous tasks after switching, reducing cognitive capacity. Minimizing attention residue through complete task closure and transition rituals improves focus and performance.

Scientific concept describing the cognitive switching cost when shifting attention between tasks. Research by Dr. Sophie Leroy shows that our minds continue processing previous tasks even after switching, reducing performance on new tasks by up to 40%.