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299

What Language Do We Think In? The "Language of Thought" (Mentalese) Hypothesis

How do babies, monkeys, and adults with no language think without words? Rotating letters in the mind, Turing's machine, and the trap in "Ralph is an elephant." Why Pinker argues that English cannot be the medium of thought.

298

Does Language Determine Thought? The Sapir–Whorf Hypothesis and the Eskimo-Snow Myth

"Newspeak," "the Hopi have no concept of time," "Eskimos have hundreds of words for snow." How much of this is true? Pinker checks Whorf's argument and three of his examples: colour words, Hopi time, and snow.

297

Can Language Break Alone, or Survive Alone? Broca's Aphasia, SLI, and Williams Syndrome

Some people lose grammar while the rest of their intelligence is intact. Others are severely impaired in intelligence yet talk fluently. What this double dissociation does to the view that language is just general smarts.

296

Why Do Children Know Grammar They Were Never Taught? The Poverty of the Stimulus and the Question Experiments

Parents don't teach grammar, yet three-year-olds use "-s" correctly over ninety percent of the time and pick the right "is" when making a question. Chomsky's poverty-of-the-stimulus argument, checked with a unicorn question and an experiment with Jabba the Hutt.

295

Do Children Really "Invent" Language? Pidgins, Creoles, and Nicaraguan Sign Language

Adults speak a clumsy makeshift jargon; their children rebuild it into a new language with complex grammar. Hawaiian Creole, the sign language born in Nicaraguan deaf schools, and Simon, the boy who signed better than his parents.

294

Is Language a Cultural Invention, or an Instinct? The Spider's Web and Stone Age Grammar

Pinker rejects the common view that language is humanity's greatest invention. The spider-web analogy, Darwin's 1871 observation, first contact in the New Guinea highlands, and his answer to the objection that 'universal' does not mean 'innate.'

293

Is Language Learned or Born? Pinker's The Language Instinct in Ten Minutes

Nobody teaches children grammar, so why do they come to speak? Pinker's answer is that language is an instinct. The shape of the argument, the four kinds of evidence behind it, and where this series goes.

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