Short answer: stress hormones during public speaking actively impair working memory retrieval — a specific, well-documented phenomenon separate from general day-to-day recall.
Why memory "blanks" happen specifically under pressure
Acute stress triggers cortisol release, which can measurably interfere with the brain's ability to retrieve information it otherwise has stored — the classic "my mind went blank" experience isn't really a memory failure; it's a retrieval failure under pressure.
What genuinely helps in the moment
- Over-preparation and rehearsal — reduces the cognitive load speaking places on working memory
- Slow, deliberate breathing before speaking — can measurably reduce acute stress response
- Notes or structure cues — reduce reliance on pure recall under pressure
Where general circulation and stress-resilience support fits
Chronic stress, over time, affects overall brain health and circulation — general antioxidant and circulation support may contribute to baseline resilience, but won't specifically counteract acute stress during a speech itself.
Support the broader baseline
Circulation and antioxidant support, alongside your preparation.
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