Very early in this book Mithen tells us that it addresses what has been called “the hardest problem in science”: how, when, and why language evolved.
Almost near the end of the book he says “I struggled for years [probably for years even before publication in 2006 of his previous book, The Singing Neanderthals: The Origins of Music, Language, Mind, and Body] to think and write about the evolution of language because there were so many different strands of evidence. Only when I imagined the challenge as a jigsaw puzzle, needing to find and assemble the frame and fragments, could I make progress.”
And so “puzzle” in his title has two meanings. (How words acquire more than one meaning is itself a puzzle that is addressed in this book.) The second meaning provides the organizing strategy for the book. Mithen’s “frames and fragments’’—the chapters in the book—present data, theories, methods, terminologies and findings from (get ready): linguistics (including computational evolutionary linguistics); psychology (mainly findings from the study of memory, perception, and attention); neuroscience (where does language come from in the brain); genetics (how have genes and environment interacted to enable linguistic capacities to develop and evolve); anthropology (for what it tells us about the social and cultural context of the evolution of language); paleoanthropology (how does the evolution of language graph onto what we know about human evolution); ethology (what can we learn from the behavior of monkeys and especially of apes, because they share a common ancestor with humans); philosophy (how language impacts perception and thought); and archaeology, Mithen’s academic specialty (what inferences can be drawn from artifacts and other “human debris.”)
The “frame” has two halves: an overview of human evolution; and what we know about language as of today. The other disciplines provide the “fragments.”
By telling us that language evolution is a puzzle with a frame and so many fragments Mithen easily dismisses old ideas about the evolution of language: that there are dedicated language centers or genes for language; or, crucially, that there is a such a thing as a universal grammar.
Even so, we need to learn about such things as the distinction between lexical words and grammatical words; the emergence of arbitrary and iconic words; the evolution of the rules of morphology and syntax; the role of prosody in the evolution of language; the four major word classes; the role of ideophones, positionals, and hierarchical phrase structure; the difference between dialects and idiolects; the uses of stops, nasals, fricatives and glides in spoken language; the limits on the number of words, clauses and especially embedded clauses that we can keep track of in a single spoken utterance; displacement; bigrams and trigrams; the iterated learning model; the language bottleneck; compositionality; object bias; cross-modal perception; concept boundaries; sentential complements; and the six layers of grammaticalization.
Most important we need to understand the difference between a generalized learning mechanism for the evolution of language and a dedicated language acquisition mechanism; the difference between the domain-specific and the cognitively fluid mind; and the essential role of metaphor in the development of language.
I am in awe of all the knowledge assembled here. (More than 600 citations in his bibliography; more than 500 notes—some of them short essays themselves! --in the text.) I also am grateful for the 17 well-conceived and well-designed figures in the book. They provide a much-needed rest; a pause to visualize what Mithen tells you so exhaustively in his text.
I admire Mithen’s bravery in drawing from so many different disciplines to construct his argument. Surely specialists in these disciplines will be eager to tear apart an archaeologist’s use of their work, no matter how carefully he has treated it. Surely they will agree with Mithen’s publisher who, Mithen tells us in his acknowledgments, originally “asked him to write a book about farming and acquiesced” when Mithen insisted on writing about the evolution of language instead. Mithen would have been on much safer ground as an archaeologist writing about that subject.
Surely specialists will notice Mithen’s frequent use of words and phrases like “suggests”; “may have”; “might be”; “appears to be”; “one might argue”; “might consider”; “perhaps”; “not unreasonable to suppose”; “we might suspect”; and “seems reasonable to conclude.” Will they accuse him of writing a “just so” story?
Then again, on a subject like this, where most of the conclusions must be inferred from a relatively and frustratingly scarce amount of evidence—NOBODY WAS THERE TO WITNESS THE EVENTS Mithen chronicles here—Mithen’s story convinces me. And if his story does not convince everyone who reads it, it will still be a necessary and rewarding read for anyone interested in the evolution of language.
An expert reviewer of The Singing Neanderthals said it “seems destined to become a landmark in the way experts and amateurs alike seek to understand the character and evolutionary importance of hominid and early human communication.” I expect that The Language Puzzle will be praised even more highly.
Thank you Basic Books for providing an advance copy in galley form for review consideration via NetGalley. Please note: Quotes taken from a galley may change in the final version.
All opinions are my own.