And this is especially true now that we know that the male and female brains have some profound differences. Our brains are mostly alike. We are the same species, after all. But the differences can sometimes make it seem like we are worlds apart. The "defend your turf" area -- dorsal premammillary nucleus -- is larger in the male brain and contains special circuits to detect territorial challenges by other males.
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Louann Brizendine walks her readers through the science behind the male brain in hopes that she helps her audience understand the male brain "as the fine-tuned and complex instrument that it actually is," as she writes in her book. Check out an excerpt of the book below, then head to the "GMA" Library for other great reads. And click here to read Dr. You could say that my whole career prepared me to write my first book, The Female Brain. As a medical student I had been shocked to discover that major scientific research frequently excluded women because it was believed that their menstrual cycles would ruin the data.
That meant that large areas of science and medicine used the male as the "default" model for understanding human biology and behavior, and only in the past few years has that really begun to change. Ultimately that work led me to write The Female Brain, which addressed the brain structures and hormonal biology that create a uniquely female reality at every stage of life.
The distinct brain structures and hormonal biology in the male similarly produce a uniquely male reality at every stage of life. Yet as I considered writing The Male Brain, nearly everyone I consulted made the same joke: "That will be a short book!
Maybe more of a pamphlet. The male is considered simple; the female complex. Yet my clinical work and the research in many fields, from neuroscience to evolutionary biology, show a different picture. There are also the "seek and pursue" baby boy brain, the "must move or I will die" toddler brain; the sleep-deprived, deeply bored, danger-seeking teen brain; the passionately bonded mating brain; the besotted daddy brain, the obsessed-with-hierarchy aggressive brain and the fix-it-fast emotional brain.
In reality, the male brain is a lean mean problem-solving machine. Male and female brains are different from the moment of conception. Yet this means that there are deep differences, at the level of every cell, between the male and female brain. A male cell has a Y chromosome and the female does not. That small, but significant difference begins to play out early in the brain as genes set the stage for later amplification by hormones.
By eight weeks after conception the tiny male testicles begin to produce enough testosterone to marinate the brain and fundamentally alter its structure. And this male brain biology produces his distinctly male behaviors. The Male Brain draws on my twenty-five years of clinical experience as a neuropsychiatrist. It presents research findings from the spectacular advances over the past decade in our understanding of developmental neuroendocrinology, genetics, and molecular neuroscience.
It offers samplings from neuropsychology, cognitive neuroscience, child development, brain imaging, and psychoneuroendocrinology. It explores primatology, animal studies, and observation of infants, children, and teens, seeking insights into how particular behaviors are programmed into the male brain by a combination of nature and nurture.
During this time, advances in genetics, electrophysiology and noninvasive brain-mapping technology have ignited a revolution in neuroscientific research and theory. As a result, scientists have recorded a catalog of genetic, structural, chemical, hormonal and processing brain differences between women and men.
In the female brain, the hormones estrogen, progesterone and oxytocin predispose brain circuits toward female-typical behaviors. The behavioral influences of male and female hormones on the brain are major. We have learned that men use different brain circuits to process spatial information and solve emotional problems. Their brain circuits and nervous system are wired to their muscles differently—especially in the face.
The female and male brains hear, see, intuit, and gauge what others are feeling in their own special ways. Overall, the brain circuits in male and female brains are very similar, but men and women can arrive at and accomplish the same goals and tasks using different circuits.
We also know that men have two and a half times the brain space devoted to sexual drive in their hypothalamus. And mating is as important to men as it is to women. When a baby is on the way, the male brain changes in specific and dramatic ways to form the daddy brain.
Men also have larger brain centers for muscular action and aggression. His brain circuits for mate protection and territorial defense are hormonally primed for action starting at puberty. Pecking order and hierarchy matter more deeply to men than most women realize. Men also have larger processors in the core of the most primitive area of the brain, which registers fear and triggers protective aggression — the amygdala.
This is why some men will fight to the death defending their loved ones. I must have been dimly aware of this long catalog of distinctive male behaviors when I first found out, twenty-one years ago, that the baby I was carrying had a Y chromosome.
I immediately thought, "Oh dear. What am I going to do with a boy? I was right to be nervous. My lack of boy-smarts was about to matter more than I imagined. I now know from my 25 years of research and clinical work that both men and women have a deep misunderstanding of the biological and social instincts that drive the other sex. As women, we may love men, live with men and bear sons, but we have yet to understand men and boys. They are more than their gender and sexuality, and yet it is intrinsic to who they are.
We are mostly oblivious to the underlying work performed by different genes, neurochemicals, and hormones. Our understanding of essential gender differences is crucial because biology does not tell the whole story.
While the distinction between boy and girl brains begins biologically, recent research shows that this is only the beginning. Rather than being immutable, our brains are much more plastic and changeable than scientists believed a decade ago. The human brain is also the most talented learning machine we know. So our culture and how we are taught to behave plays a big role in shaping and re-shaping our brains.
Once he reaches manhood, he will likely find himself pondering the age-old question, "What do women want? Men must be strong, brave and independent. They grow up with the pressure to suppress their fear and pain, to hide their softer emotions, to stand confidently in the face of challenge.
New research shows that their brain circuits will architecturally change to reflect this necessary suppression. Although they crave closeness and cuddling as much, or perhaps even more than women, if they show these desires, they are misjudged as soft or weak by other men and by women, too.
We humans are first and foremost social creatures with brains that quickly learn to perform in socially acceptable ways. By adulthood, most men and women have learned to behave in a gender-appropriate manner. But how much of this gendered behavior is innate and how much is learned?
Are the miscommunications between men and women biologically based? This book aims to answer these questions. And the answers may surprise you. If men and women, parents and teachers, start out with a deeper understanding of the male brain, how it forms, how it is shaped in boyhood and the way it comes to see reality during and after the teen years, we can create more realistic expectations for boys and men.
Gaining a deeper understanding of biological gender differences can also help to dispel the simplified and negative stereotypes of masculinity that both women and men have come to accept. We are entering an era, finally, when both men and women can begin to understand their distinct biology and how it affects their lives. If we know how a biological brain state is guiding our impulses, we can choose how to act, or not act at all, rather than merely following our compulsions.
With that new information, you can help your sons and husbands to be truer to their nature and perhaps you can feel more compassionate toward your father. Over the years, as I have been writing this book and coming to a deeper understanding of the male brain, I have come to see the men I love most -- my son, my husband and my father-- in a new light.
It is my hope that this book will help the male brain to be seen and understood as the fine-tuned and complex instrument that it actually is. Copyright by Broadway Books.
Love, sex and the male brain
Start your review of The Male Brain Write a review Shelves: psychology , audiobook While this book started out slow, it got better as the author went through the stages of male brain development. And I learned something from this book. In the section on middle-aged married life, a couple went for marriage counseling. The wife recently got a promotion to a higher-paid, higher-stress position. She ranted at her husband about the problems she was having at work.
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