8 of 9 people found the following review helpful:
5.0 out of 5 stars
Excellent review of gender determination and the differences between males and females., September 27, 2009
In Brain Gender, Melissa Hines presents a succinct, detailed, and well-supported examination of the current understanding on what makes humans male or female. The following review will provide a synopsis along with a critique of specific parts and aspects of the book.
Overall, the book would be a very useful tool for anyone interested in the science behind the concept of gender. While the author's writing style is not always the most engaging to a layperson, she succeeds in explaining very complicated topics with enough background to inform even someone with little science knowledge and enough detail to still challenge a reader with familiarity of the field. The best aspect of the author's writing style is her ability to present multiple sides of an argument on a given issue. She is very willing to draw conclusions from the research she presents but still leaves subjects open for discussion and debate.
The book is laid out in a very reader friendly format. It is divided into 11 chapters, each discussing a different aspect of sex differences. Chapters are subdivided by headings, which makes the text easy to scan by a reader looking for specific information. The following will provide a brief synopsis and review on each chapter.
I. SEX DIFFERENCES IN HUMAN BEHAVIOR:
This section is an introduction to the volume. The most significant statement that Hines makes in this chapter is that,
"the sex difference in height among men and women...is more than twice as large as the sex differences in many psychological traits"
This statement and following discussion does a tremendous job of setting up the tone for the rest of the book - that beyond physical characteristics and gender identity, males and females are not that different.
II. IS IT A GIRL OR IS IT A BOY?
Here the author discusses a variety of gender development disorders along with the biological background of sexual differentiation and development. The graphics in this section may be difficult for some readers to view because they depict abnormalities in the human genitals. However, these pictures are essential for the reader to understand what Hines is describing when discussing disorders of sexual development.
III. THE SEXUAL ANIMAL:
IV. SEX AND THE ANIMAL BRAIN:
Both sections III and IV concentrate on the biology behind sexual behavior and cover such topics as the role of hormones, anatomical/physiological differences between males and females, and differences between species.
V. GONADAL HORMONES AND HUMAN SEXUALITY:
Here Hines provides some of the most interesting knowledge in the book on human sexuality and gender. The overall theme of the chapter can be summarized by the following quote:
"it is helpful to know that human sexuality is not unidimensional. Instead, it is made up of several facets, each of which might relate to gonadal steroids, perhaps in different ways."
VI. SEX AND PLAY:
In this chapter, the differences in how boys and girls play is discussed. This chapter is important because childhood play can be a useful tool for studying influences of other factors, such as hormones, on typical gender-specific behavior.
VII. ANDROGEN AND AGRESSION:
This chapter focuses on the difference in aggression levels between men and women, which is a strong sex difference but also one of many misconceptions.
VIII. HORMONES AND PARENTING:
Here Hines discusses difference between males and females in their ability to parent and the common conception that women make better parents. She concludes that biological influence is negligible compared to social influences.
IX. ANDROGEN ESTROGEN AND COGNITION:
This chapter addresses the difference in male and female cognitive ability - a very controversial and misunderstood issue. The conclusion is essentially that no difference exists. However, Hines' discussion of the social implications is very engaging and insightful.
X. SEX AND THE HUMAN BRAIN:
A review is presented on the physical differences between the female and male brain. The discussion is very detailed and presents an abundance of empirical data.
XI. ENGENDERING THE BRAIN:
The final chapter concludes with a discussion of scientifically differentiating between environmental and physical influences on human gender, which can be summarized by the author's statement:
"No matter whether hormones or other factors, including social factors, cause us to develop in a certain way, the hormonal or social influences have been translated into physical brain characteristics...thus, the distinction between biological and social/cultural causes is false."
Throughout the entire text, the author sporadically uses images and tables. Most of the images are utilized to explain the anatomy of genitalia or parts of the nervous system. Occasionally tables and graphs are used to explain experimental findings. While most of the images add to the overall reading experience, some images included seem pointless and add little to understanding the concepts presented. The book would definitely be improved if more tables and figures were used to explain experimental results because often the statistics of studies seem to get lost in the body of the text, which does not do justice to their significance.
One of the most valuable aspects of the book is the extensive glossary of terms related to the study of gender and neuroscience. This section greatly improves the accessibility of the book for layman readers. This section prevents readers from needing to search through previous sections for definitions or explanations that may have been forgotten through the reading of the volume.
TO FUTURE READERS:
Buy this book if you have any interest in learning about the science behind matters such as gender identity and homosexuality. You will not be disappointed in the wealth of information you will receive.
If you are researching a specific aspect of gender development/differentiation this book is a great place to start. The book contains 44 pages full of citations that can guide you to more extensive research on the topics covered.
If you are unfamiliar with the subject area, I would not recommend skipping between sections, as the author tends to build off of previously discussed subjects.
IN SHORT: Great topic, great writing, and a great steeping stone for further research on the topic!
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