: A significant study found grand-averaged Event-Related Potential (ERP) waveforms differ when listeners hear minor vs. major tunes. Researchers use this to measure neurocognitive efficiency in musicians versus non-musicians.
If you are looking for medical literature regarding diagnosis: Evoked Minor
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The major-minor mode dichotomy in music perception - ScienceDirect Evoked Minor
: This paper concludes that PR-VEP recordings are a useful and objective tool for identifying subclinical damage to the visual pathway in patients who have suffered a minor head injury. College Minors (Alternative Intent)
: A paper in Acta Psychologica highlights how minor chords elicit higher tension and lower pleasantness ratings compared to major chords, and how musical context (the progression) can moderate these "evoked" emotions. Medical Papers on "Evoked" Responses in "Minor" Injury