The Birth of the Mind: How a Tiny Number of Genes Creates The Complexities of Human Thought


In The Birth of the Mind, award-winning cognitive scientist Gary Marcus irrevocably alters the nature vs. nurture debate by linking the findings of the Human Genome Project to the development of the brain. Scientists have long struggled to understand how a tiny number of genes could contain the instructions for building the human brain, arguably the most complex device in the known universe. Synthesizing up-to-the-minute research with his own original findings on child development, Marcus is the first to resolve this apparent contradiction. Vibrantly written and completely accessible to the lay reader, The Birth of the Mind will forever change the way we think about our origins and ourselves.
The Human Genome Project has revealed that we possess a surprisingly small number of genes, especially in light of our fairly complex bodies. In The Birth of the Mind, NYU psychology professor Gary Marcus brings together current research on how our genetic code assembles that most mysterious physiological structure, the brain. Readers fascinated by the works of Steven Pinker and other mind theorists will be fascinated by Marcus’ descriptions of strange–and sometimes disturbing–sensory experiments carried out on chimps, ferrets, and kittens that show how the brain organizes itself in the presence or absence of external stimuli. Further, Marcus writes that there’s nothing particularly special about how the brain is built and maintained.

What’s amazing is how little of the overall scheme for embryonic development is special to the brain. Although thousands of genes are involved in brain development, a large number of them are shared with (or have close counterparts in) genes that guide the development of the rest of the body.

With plenty of evidence supporting the notion of multi-function “housekeeping genes,” Marcus concludes that our hopes for finding single genes responsible for various brain disorders are likely unfounded. The Birth of the Mind offers an engaging and often witty look at how our genetic code can be simple enough to make basic proteins and complicated enough to help us learn languages. –Therese Littleton

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Although the idea of hindsight is frequently associated with the biases, distortions, and outright lies of memory–as in the infamous “20-20″ scenario or the conviction that one “knew it all along”–Mark Freeman maintains that this process of looking backward over the terrain of the past can also serve as a profound source of insight, understanding, and self-knowledge. Consider Tolstoy’s harrowing tale of Ivan Ilych, revisiting his past on the eve of his death, only to realize that the life he had been living was a lie. Consider as well the many times in our own lives when, upon reviewing the past, we are able to see what we could not, or would not, see earlier on.

Hindsight is also intimately connected to what Freeman calls narrative reflection: Through the distance conferred by time, we can look back on past experiences and see them anew, as episodes in an evolving story. As important as “being in the now” and “living in the moment” are, it is no less important to pause at times and, by looking backward, seek to discern those aspects of experience that might otherwise escape our notice. Far from necessarily leading to deception and lies, therefore, hindsight can lead to wisdom and indeed truth–of a sort, Freeman contends, that is only available in retrospect.

In addition to serving as a central site of self-knowledge, hindsight plays an integral role in the process of moral growth. For, through hindsight, there emerges the opportunity not only to see the possible errors of our ways but to transcend them and thereby to move on to better ways of being in the world. Drawing on psychology, philosophy, literature, and personal experience, this wide-ranging volume offers an insightful and engaging exploration of the role of hindsight both in discerning the personal past and in deepening moral life.

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