Gay people brain

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Brain scans have provided the most compelling evidence yet that being gay or straight is a biologically fixed trait. The scans reveal that in gay people, key structures of the brain governing emotion, mood, anxiety and aggressiveness resemble those in straight people of the opposite sex. The differences are likely to have been forged in the womb or in early infancy, says Ivanka Savic, who conducted the study at the Karolinska Institute in Stockholm, Sweden.

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The God Helmet. Psychic Technology. Deja Vu.

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All rights reserved. The differences between heterosexual and homosexual people are as much the subject of fascinating science as they are a source of social debate. And in many cases, the former can help to inform the latter.

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Scientists identify for the first time two specific genes that may foster a predisposition for being gay in men. Anyone choosing sides in the nature vs. But ina large study by J.

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By Tina Hesman Saey. October 20, at am. In a large study of more thanmen and women in the United States, United Kingdom and Sweden, researchers discovered four genetic variants that occur more often in people who indicated on questionnaires that they had had same-sex sexual partners.

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People choose to be gay. They are making an immoral choice, which government should discourage. Sexual preference is biologically determined.

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For example, the brains of straight men and of gay women share certain common features: both are slightly asymmetric, with the right hemisphere larger than the left, say the Swedish researchers. On the other hand, the brains of gay men and straight women are both symmetrical. Similar trends emerged when scientists tracked connectivity in the amygdala, the region of the brain involved in emotional learning and in activating the fight-or-flight response.

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Public opinion about gay rights has shifted enormously in the United States over the past few decades. What are some of the factors that have led to this historic change in attitudes? We have a deeper look this morning at one of the most profound shifts in public attitudes ever recorded - it's the public view of people who are gay and lesbian.

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What makes people gay? Biologists may never get a complete answer to that question, but researchers in Sweden have found one more sign that the answer lies in the structure of the brain. Scientists at the Karolinska Institute studied brain scans of 90 gay and straight men and women, and found that the size of the two symmetrical halves of the brains of gay men more closely resembled those of straight women than they did straight men.

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