ScienceContemporaryglobalhigh confidence

MSG symptom complex may include a visual aura without a headache, a symptom also associated with migraine aura.

Notes on verification

Confirmed by multiple reputable medical sources including Mayo Clinic, American Migraine Foundation, and NCBI, consistently linking MSG symptom complex to visual aura symptoms similar to migraine aura. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.925 clusters=2 claim_tier=notable]

Sources