Imagine that scientists have been successful at designing a drug that “freezes” brain areas producing our internal monologue. After taking the drug you can’t talk to yourself anymore. Every other mental activity is fine, but it’s now total silence in your head. Not a word. What would happen? What would it be like?
Of course, such a pharmacological agent doesn’t exist. Actually, we don’t need it. Some unfortunate people suffer from brain damage that selectively interrupts inner speech. It’s as if they were under the influence of this imaginary drug. Scott Moss, a psychologist who was victim of a stroke, lost the ability to use language.
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