I Am Alive Today By Big Brain Mp3 Download Audio
Willa Stiff
Our guest today is Dr. Mary-Frances O'Connor, an associate professor of psychology at the University of Arizona, where she studies grief and grieving. She uses methods including brain imaging and studying immune system responses to investigate how grieving affects us both psychologically and physiologically. She is an expert in complicated grief, a clinical condition in which people don't adjust to acute feelings of grief. In addition to her many scientific publications, she's author of the recent book, The Grieving Brain: The Surprising Science of How We Learn from Love and Loss.
Zombies have been a potent cultural force for decades. Something about the concept of a ragtag crew of survivors facing off against endless masses of shuffling brain-munchers really seems to speak to people! There are hundreds, if not thousands, of zombie-themed stories out there. But which ones are the very best? And which zombie audiobooks will have you double-checking the locks and sleeping with a baseball bat next to your bed?
An isolated brain is a brain kept alive in vitro, either by perfusion or by a blood substitute, often an oxygenated solution of various salts, or by submerging the brain in oxygenated artificial cerebrospinal fluid (CSF).[1] It is the biological counterpart of brain in a vat. A related concept, attaching the brain or head to the circulatory system of another organism, is called a head transplant. An isolated brain, however, is more typically attached to an artificial perfusion device rather than a biological body.
The brains of many different organisms have been kept alive in vitro for hours, or in some cases days. The central nervous system of invertebrate animals is often easily maintained as they need less oxygen and to a larger extent get their oxygen from CSF; for this reason their brains are more easily maintained without perfusion.[2] Mammalian brains, on the other hand, have a much lesser degree of survival without perfusion and an artificial blood perfusate is usually used.
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