How do our brains process speech?

How many words does the average 20-year-old know?

• 27,000 - 52,000

• 17,000-62-000

• 35,000 - 56,000

When we listen to speech, how often do we identify the correct word?

• 94% of the time

• 96% of the time

• 98% of the time

• 100% of the time

Which of the following doesn’t helps us to recognize words quickly?

• Dividing the work of recognition between thousands of different processing units

• Parallel computation in the brain

• Speaking louder

• Providing a sentence context

When does the brain start to access the meaning of a word during speech comprehension?

• Before the word is identified

• At the moment the word is identified

• 100 milliseconds after identification

• At the end of the word

On average, how often do adults learn a new word?

• Every hour or two

• Every day or two

• Every week or two

• Every month or two

Which part of the brain helps us to learn new words?

• The amygdala

• The corpus callosum

• Ventromedial pre-frontal cortex

• The hippocampus

When we recognize speech, what is the advantage of having processing units that are dedicated to the recognition of just one word? *Choose 2

• More space

• New words don't overwrite old ones.

• Existing words in our brains don't mix.

• Existing words overwrite new ones.

The recognition of written words operates in the same way as the one of spoken words.

• True

• False

How does sleep help us to learn new words?

• While we sleep, our brains work to integrate new knowledge into the word network.

• While we sleep, our brains decide what words to use during daylight.