Underlying this is an often-overlooked network of neurons lining our guts that is so extensive some scientists have nicknamed it our 'second brain'.. He and other researchers explain, however, that the second brain's complexity likely cannot be interpreted through this process alone.. 'The brain in the head doesn't need to get its hands dirty with the messy business of digestion, which is delegated to the brain in the gut,' Gershon says.
Much of this neural firepower comes to bear in the of digestion Breaking down food, absorbing nutrients, and expelling of waste requires chemical processing, mechanical mixing and rhythmic muscle contractions that move everything on down the line.. Technically known as the enteric nervous system, the second brain consists of sheaths of neurons embedded in the walls of the long tube of our gut, or alimentary canal, which measures about nine meters end to end from the esophagus to the anus.. We likely evolved this intricate web of nerves to perform digestion and excretion 'on site,' rather than remotely from our brains through the middleman of the spinal cord.
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'A big part of our emotions are probably influenced by the nerves in our gut,' Mayer says.. C L A ) For example, scientists were shocked to learn that about 90 percent of the fibers in the primary visceral nerve, the vagus, carry information from the gut to the brain and not the other way around.. The second brain contains some 100 million neurons, more than in either the spinal cord or the peripheral nervous system, Gershon says.. This multitude of neurons in the enteric nervous system enables us to 'feel' the inner world of our gut and its contents. Dowload Serato Full For Mac
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'Some of that info is decidedly unpleasant,' Gershon says The second brain informs our state of mind in other more obscure ways, as well.. 'The system is way too complicated to have evolved only to make sure things move out of your colon,' says, professor of physiology, psychiatry and biobehavioral sciences at the David Geffen School of Medicine at the University of California, Los Angeles (U. Staffing Agency Business Plan Pdf
The little brain in our innards, in connection with the big one in our skulls, partly determines our mental state and plays key roles in certain diseases throughout the body.. 'The second brain doesn't help with the great thought processesreligion, philosophy and poetry is left to the brain in the head,' says, chairman of the Department of Anatomy and Cell Biology at New York–Presbyterian Hospital/Columbia University Medical Center, an expert in the nascent field of neurogastroenterology and author of the 1998 book (HarperCollins).. A deeper understanding of this mass of neural tissue, filled with important neurotransmitters, is revealing that it does much more than merely handle digestion or inflict the occasional nervous pang.. Although its influence is far-reaching, the second brain is not the seat of any conscious thoughts or decision-making.. The Turning Point As Olympians go for the gold in Vancouver, even are likely to experience that familiar feeling of 'butterflies' in the stomach. cea114251b Download Wirecast Full Crack Mac
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