Sciencespeaking topic
In dreams you see faces you don't recognize, but the brain can't invent a new face; they're all people you saw somewhere in your life and thought you'd forgotten. So the 'strangers' in your dreams come from your own archive. Why does the brain keep what you thought it had deleted?
— dreams and memory
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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