منابع مشابه
Male or Female? Brains are Intersex
The underlying assumption in popular and scientific publications on sex differences in the brain is that human brains can take one of two forms "male" or "female," and that the differences between these two forms underlie differences between men and women in personality, cognition, emotion, and behavior. Documented sex differences in brain structure are typically taken to support this dimorphic...
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n Eleven post-operative male-to-female transsexuals were exposed to sexual stimuli on video while physiological (vaginal photoplethysmographic) and subjective measures of sexual arousal were being recorded. The comparison of their responses to male versus female stimuli, combined with their orientations (attracted to men versus women), illustrated a target specific pattern of sexual arousal acr...
متن کاملChoosing or losing health?
I f neo-liberal thinking is gripping health care reform in many countries with its focus on market style competition and individual choice, a similar revolution may be underway in public health policy. The example of recent developments in England is instructive and offers a warning to other countries that are also rediscovering public health or are perhaps discovering it for the first time. Al...
متن کاملMale or Female? The Answer Depends on When You Ask
A key decision in the life of an organism is whether to be male or female. In Drosophila, each cell makes this choice independently of its neighbors such that diploid cells with one X chromosome (XY) are male and those with two chromosomes (XX) are female. In classic experiments carried out more than 80 years ago, Calvin Bridges made two important conclusions about how sex is determined in flie...
متن کاملMale or Female? It Depends on the Dose
Background: An earlier case-control study from Western Australia reported a protective effect of maternal folic acid supplementation during pregnancy on the risk of childhood acute lymphoblastic leukaemia (ALL). The present study tested that association.
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ژورنال
عنوان ژورنال: Science
سال: 2019
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.365.6455.770-e