Differences between homosexual and hetersexual brains
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Gay men's bilateral brains better at remembering faces: study
Savic and Lindstrom also used another brain-scanning technique called PET to measure the flow of blood into the amygdala, a part of the brain involved in processing emotions. Identification of large-scale networks in the brain using fMRI. Brains of transgender people also show certain differences. Spatial preprocessing of the functional images was performed using SPM8 Welcome Department of Cognitive Neurology according to the standardized procedure and by incorporating fieldmap correction. 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 between heterosexual and homosexual people are as much the subject of fascinating science as they are a source of social debate.
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Neuroscience and sexual orientation - Wikipedia
Anatomical studies of the corpus callosum, which facilitates communication between the left and right hemispheres of the brain , also indicate differences in handedness: women and left-handed men have been shown to possess larger corpus callosum and more symmetrical cortices than right-handed men. MRI analyses Cortical thickness, surface area, and subcortical structural volumes. These regions were of particular interest as they are reportedly sexually dimorphic, and also involved in sexual arousal. In his seminar, LeVay emphasized the political ramifications of his research. No significant differences in thalamus connectivity were detected between the HeM and HeW, and all three groups displayed a similar connectivity pattern from the hypothalamus seed, with significant clusters in the anterior hypothalamus, both caudate nuclei, and the superior colliculus. We specifically asked ourselves whether the brains of homo and heterosexual men were anatomically different, and how these differences were related to the differences in corresponding measures between HeM and HeW. What are the consequences?
Post hoc analyses: Cortico-cortical covariations in Cortical thickness. Whole brain segmentation: Automated labeling of neuroanatomical structures in the human brain. One-Minute World News. Sexual orientation related differences in cortical thickness in male individuals. The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and with the Helsinki Declaration of , as revised in