“Simple language, but pay attention and you will learn so much”
‘The Circus Animals’ Desertion’ was the final major poem published by W. B. Yeats in his last volume of poems. In the last line, he talks about ideas springing from ‘…the foul rag and bone shop of the heart’. In her book, The Rag and Bone Shop, Professor Veronica O’Keane explains how the various parts of the brain – the cortex, hippocampus, insula, amygdala, etc. – work separately and together so that we sense – and make sense of – the world.
O’Keane gives a lot of information in straightforward language but doesn’t talk down to the reader at all. She does, however, expect us to keep up and give her the courtesy of paying attention. This is not a casual read but the reader who engages with the text will have a great understanding of how the brain works. My view of mentally ill people has changed from a simple – possibly slightly scornful one, to my shame? – to a much more sympathetic one. O’Keane states “Hearing a sound, a human voice, is a subjective experience, whether the voice originates in the outside world or is generated in the brain by pathological neuronal firing. The experience of hearing the voice is similar in both cases.” In other words, whether another person in the room is speaking to you or you are alone, your brain is behaving in the same way and it tells you that you have been spoken to.
The sections on biology and neuroscience are interspersed with case studies from her career. This combination of science and humanity makes the book so rewarding to read. O’Keane states “Memory is, in its essence, the infinitely complex neural representation of sensory information that has been carried to the brain.” And “Ultimately, what is memory without emotion – an endless repertoire of experiences without any human meaning. And emotion without memory? A shallow flitting from one object of desire to the next.”
Why is it that, like Proust, a scent or a phrase or the sight of an object, can cause a rush of memories and the emotions we associate with the trigger? O’Keane quotes Donald Hebb’s brilliant phrase, “Cells that fire together wire together.” The first half of the book tells us about the role performed by various parts of the brain and the second half explains the process of memory. Although Beethoven couldn’t hear external sounds because the auditory nerve passing sensations from his eardrum to the auditory region of his cortex no longer worked. However, his auditory cortex remembered the sensation of hearing various notes, instruments, etc., and send neural representations of those sounds (memories, to you and I) onto his prefrontal cortex. Therefore, Beethoven could imagine how his music would sound. The staggering thing is that his brain was putting all those individual memories (piano, trumpet, singers) together in a way that they had not been combined before. He had to imagine ALL the new music he wrote after becoming deaf.
As I said, this is not a book to read casually - the language is simple but you do need to keep up. If, though, you’re willing to concentrate, you will have a great appreciation of brains, thinking and memories.
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Hardback edition
This reviewer received a free of charge product for review.