University thesis reveals how work burnout shows in brain and body

A fresh Tampere University study examines how work burnout can be seen in both the brain and the body, and it also points to new ways to measure and treat the condition, Tamperelainen writes. The work links burnout to changes in brain activity connected to executive functions, as well as to stress-related patterns in heart function.

The article says that diagnosing work burnout relies heavily on self-assessments and questionnaires covering three core symptoms: cynicism, loss of professional self-esteem, and fatigue at severe levels. It adds that there are no reliable objective measures to support diagnosis or recovery, and that the effects on brain and body function are not yet understood well enough. The thesis author, Mia Vauhkonen, notes in a release that burnout is viewed more like an adjustment-related condition than an illness, which means it does not automatically justify sickness benefits; the limited knowledge also makes identification and prevention harder.

Vauhkonen’s research describes difficulties in concentrating, decision-making, and completing tasks among people with burnout, which are tied to executive control of information processing. Based on EEG measurements during an executive function task, people who were burnt out showed altered brain electrical activity, including responses that were slower and stronger than in those who were not burnt out. The study also used FirstBeat measurements over three days, finding higher average heart rate and lower heart rate variability in the burnt-out group, along with less everyday physical activity—signs consistent with greater stress and potentially insufficient recovery. The thesis further reports a promising combination of two EEG responses that can distinguish burnt-out participants from others, and it discusses results from vagus nerve stimulation delivered from the skin, which improved attention-demanding performance in healthy participants and reduced the amount of brain resources needed in the executive function test even among those with burnout, though longer-lasting effects would require further study. Vauhkonen’s doctoral defence is set for 8 May at Tampere University.