Mental exhaustion is a real physiological condition
the verdict
SUPPORTED
the evidence backs this
confidence 88/100
Mental exhaustion is a genuine physiological condition supported by neuroimaging and physiological evidence showing distinct changes in brain connectivity, network activity, and metabolic function following prolonged cognitive effort.
Evidence for · 4
Neural Mechanisms of Mental Fatigue Revisited: New Insights from the Brain Connectome
2019 · cited by 117
This study uses multivariate functional connectivity analysis to reveal the underlying neural mechanisms and brain connectome reorganizations associated with mental fatigue.
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More for · 3
Neural mechanisms underlying state mental fatigue: a systematic review and activation likelihood estimation meta-analysis
2022 · cited by 34
A systematic review and meta-analysis demonstrates that sustained cognitive tasks lead to state mental fatigue accompanied by measurable changes in brain activity within cognitive control and default mode networks.
The impact of mental fatigue on physiological tolerance and athletic performance in athletes: Exploring central and peripheral mechanisms
2025 · cited by 6
Research shows that mental fatigue is associated with distinct neurophysiological and metabolic alterations, such as prefrontal oxygenation changes and neuromuscular activation shifts that reduce endurance performance.
Structural neural correlates of mental fatigue and reward-induced improvement in performance
2023 · cited by 4
Investigations into structural neural correlates show that individual differences in subjective mental fatigue correspond to variations in cortical thickness across regions governing executive function and alertness.