Acute psychological stress causes measurable functional changes in human frontal lobes
Acute psychological stress induces measurable functional changes in the human frontal lobes, as evidenced by alterations in prefrontal-dependent cognitive control and neural circuitry during stress tasks.
The claim is a specific, testable scientific statement regarding the physiological and neurological impact of acute psychological stress on the frontal lobes of the human brain. Papers [3] and [4] directly support this by examining how acute psychological stress alters prefrontal cortex functioning, cognitive control, and functional connectivity.
Wang Z, Qi M, Gao H. The impact of acute psychological stress on cognitive control and rTMS modulation.. 2026. https://doi.org/10.1016/j.neuropsychologia.2026.109414
Demonstrates that acute psychological stress impairs cognitive control functions managed by the prefrontal cortex.
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Luo X, Zhao X, Liu Y, Ma Y, Ren Y, Wei Z, Tang Z, Guo K, Luo J, Yang J. Objective sleep efficiency links to cortisol stress recovery via dorsolateral prefrontal-hippocampal regulation.. 2026. https://doi.org/10.1017/s0033291726104206
Shows that acute stress task performance involves measurable functional changes and dynamic neural coupling in frontal-hippocampal circuitry.
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