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How do our brains process speech?

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  The average 20-year-old knows between 27,000 and 52,000 different words. Spoken out loud, most of these words last less than a second. With every word, the brain has a quick decision to make: which of those thousands of options matches the signal? And about 98% of the time, the brain chooses the correct word. How is this possible? Gareth Gaskell digs into the complexities of speech comprehension. [Directed by Art Shot, narrated by Addison Anderson, music by Stephen LaRosa]. TRANSCRIPT 0 0:06 The average 20 year old knows between 27,000 and 52,000 different words.   By age 60, that number averages between 35,000 and 56,000.   Spoken out loud, most of these words last less than a second.   So with every word, the brain has a quick decision to make:   which of those thousands of options matches the signal?   About 98% of the time, the brain chooses the correct word.   0 0:36 But how?   Speech comprehension is different from reading comprehensio...

The Decision Trap

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    Video Transcript: I think I have to finally open up about something. For the past month I've been having many, many problems. I'm always stressed, tired, angry, anxious and  indecisive . I never quite knew why until  recently  I realized that I'm suffering from  decision fatigue .  And it's a real thing that you and I could suffer from. Let me explain. When you are presented with a simple question:  "Should I wear yellow or white?"   You need to make a decision.  "Yellow."   One decision is easy. Anyone can make it but when you have to make hundreds of them every day... "Do you want to go to the city?" - "Yes!" "Do you want me to shoot it?" "Do you want to go shopping?" - "Later!" "Do you want to go eat?" - "No!" "iPhone or Android?" "Where are we living after day 1,000?" "What video do we make today?" "I DON'T KNOW!!!" ...You will go...