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| Attention to Tasks 2025 Geoffrey W Sutton with ai |
Attention residue refers to the cognitive phenomenon in which an individual's mental focus remains partially engaged with a previous task even after transitioning to a new one.
This lingering attention can impair performance, reduce efficiency, and hinder deep cognitive engagement with the current task (Leroy, 2009). The concept was first empirically explored by Sophie Leroy, who demonstrated that individuals who switch tasks without completing the first experience diminished performance on the subsequent task due to residual cognitive load.
Leroy’s (2009) research revealed that even brief interruptions can lead to measurable declines in task performance. The brain struggles to disengage from unfinished tasks, resulting in divided attention and reduced capacity for complex problem-solving. This phenomenon is particularly relevant in environments that encourage multitasking or frequent task-switching, such as digital workspaces or academic settings.
Attention residue is not merely a productivity concern—it has implications for cognitive psychology, workplace efficiency, and mental well-being.
Post Author
Geoffrey W. Sutton, Professor Emeritus of Psychology at Evangel University, holds a master’s degree in counseling and a PhD in psychology from the University of Missouri-Columbia. His postdoctoral work encompassed education and supervision in forensic and neuropsychology. As a licensed psychologist, he conducted clinical and neuropsychological evaluations and provided psychotherapy for patients in various settings, including schools, hospitals, and private offices. During his tenure as a professor, Dr. Sutton taught courses on psychotherapy, assessment, and research. He has authored over one hundred publications, including books, book chapters, and articles in peer-reviewed psychology journals. His website is https://suttong.com
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Cognitive Load and Related Concepts
Cognitive Load and Cognitive Load Theory
Self-Interruptions and Cognition
Reference
Leroy, S. (2009). Why is it so hard to do my work? The challenge of attention residue when switching between tasks. Organizational Behavior and Human Decision Processes, 109(2), 168–181. https://doi.org/10.1016/j.obhdp.2009.04.002
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