This article is an excerpt from the Shortform book guide to "The Language Instinct" by Steven Pinker. Shortform has the world's best summaries and analyses of books you should be reading.
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When you listen to someone, how does your brain find meaning in what they’re saying? How does your memory play a role?
In The Language Instinct, experimental psychologist Steven Pinker explores many facets of human language. This includes language processing in the brain, which is quite a remarkable undertaking.
Continue reading to learn how our brains process speech.
Language Processing in the Brain
In his exploration of language processing in the brain, Pinker points out that there’s no distinct gap between each word when we speak. So, as someone interprets speech, their brain is constantly parsing the audio input, separating it into discrete words, and processing the meaning of words based on memory and context.
Pinker explains that, to process speech, humans not only sort out the individual words but also parse the words into noun phrases, verb phrases, and prepositional phrases. We logically link the phrases, use our short-term memory to keep track of multiple phrases, and interpret the most likely meaning of each word as we go along.
For example, in the sentence, “The proportion of advanced students in my science class increased this year,” the brain has to recognize that the phrases “of advanced students” and “in my science class” are both included in the noun phrase with “proportion” as its subject or head noun. Then when we finally get to the verb phrase “decreased this year,” we have to remember that it refers to “proportion” from the beginning of the sentence.
(Shortform note: Pinker uses English to explain the principles of language interpretation, but it’s unclear if the cognitive process of parsing different types of phrases applies to other languages with very different syntax. For example, as we mentioned in the previous section, many languages create entire sentences by adding morphemes onto a single word, so they don’t have different phrases to group together.)
Combining Word-By-Word Interpretation and Cultural Nuance
Understanding sentences is partly a modular process because we group words into phrases, but we also interpret the most likely meaning of each word as we go along. Sometimes, if we initially interpret the wrong meaning of a word, we have to backtrack and try interpreting the sentence again with a different plausible word meaning.
For example, when people read the sentence “The man who whistles tunes pianos,” they likely assume that “tunes” is a noun (the thing that the man whistles) since “whistles tunes” is a common word combination. In this case, the word “pianos” afterward doesn’t make any sense. Re-reading it, they can then see that “who whistles” describes the man, and he performs the action of tuning pianos. These ambiguous sentence structures that tend to lead you to a false interpretation are called “garden path” sentences.
Pinker points out that, in addition to quickly choosing a word meaning based on the context, people rely on subtext, humor, sarcasm, and metaphor to understand what other people are really saying. This is partly due to our desire to adhere to social norms, like being polite. For example, if someone says, “Do you think you could use your headphones to listen to music?”, this might be a polite way of saying, “Your music is bothering me.”
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Like what you just read? Read the rest of the world's best book summary and analysis of Steven Pinker's "The Language Instinct" at Shortform.
Here's what you'll find in our full The Language Instinct summary:
- How language is an innate ability—not an element of culture
- A look at unique qualities of human language
- How slang enhances a language, rather than diminishing it
