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The cerebrum is the largest part of the brain. Depending upon the position of the animal, it lies either in front or on top of the brainstem. In humans, the cerebrum is the largest and best-developed of the five major divisions of the brain. The cerebrum is made up of the two cerebral hemispheres and their cerebral cortices (the outer layers of ...
Cerebral hemisphere. Human brain seen from front. The vertebrate cerebrum ( brain) is formed by two cerebral hemispheres that are separated by a groove, the longitudinal fissure. The brain can thus be described as being divided into left and right cerebral hemispheres. Each of these hemispheres has an outer layer of grey matter, the cerebral ...
The anatomy of the cerebellum can be viewed at three levels. At the level of gross anatomy, the cerebellum consists of a tightly folded and crumpled layer of cortex, with white matter underneath, several deep nuclei embedded in the white matter, and a fluid-filled ventricle in the middle. [ 1] At the intermediate level, the cerebellum and its ...
Joseph E. LeDoux (born December 7, 1949) is an American neuroscientist whose research is primarily focused on survival circuits, including their impacts on emotions such as fear and anxiety. [ 1] LeDoux is the Henry and Lucy Moses Professor of Science at New York University, and director of the Emotional Brain Institute, a collaboration between ...
Jacobo Grinberg Zylberbaum (born Mexico City, 1946), known as Jacobo Grinberg, was a Mexican scientist, neurophysiologist and psychologist. He studied Mexican shamanism, Eastern disciplines, meditation, astrology and telepathy, using his own interpretation of a scientific method. He wrote more than 50 books about these subjects. [ 1]
The neuroscience of free will encompasses two main fields of study: volition and agency. Volition, the study of voluntary actions, is difficult to define. [citation needed] If human actions are considered as lying along a spectrum based on conscious involvement in initiating the actions, then reflexes would be on one end, and fully voluntary actions would be on the other. [16]
The Heslington Brain is a 2,600-year-old human brain found inside a skull buried in a pit in Heslington, Yorkshire, in England, by York Archaeological Trust in 2008. It is the oldest preserved brain ever found in Eurasia, and is believed to be the best-preserved ancient brain in the world. [ 1] The skull was discovered during an archaeological ...
The tuber cinereum is a convex mass of grey matter, [3]: 495 a ventral/inferior distention of the hypothalamus forming the floor of the third ventricle. [citation needed] The portion of the tuber cinerum at the base of the infundibulum (pituitary stalk) is the median eminence; [2] the infundibulum extends ventrally/inferiorly from the median eminence to become continuous with the infundibulum.