Word: damasios
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Dates: during 1990-1999
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...scientists who both offer the vision and raise the alarms. People with exceptional, photographic memories, they note, sometimes complain of mental overload. "Such people," says University of Iowa neurologist Dr. Antonio Damasio, "have enormous difficulty making decisions, because every time they can think of 20 different options to choose from." There is luxury and peace in forgetting, sometimes; it literally clears the mind, allows us to focus on the general rather than the specific and immediate evidence in front of us. Maybe it even makes room for reflection on questions like when better is not necessarily good...
...greatest in the prefrontal cortex, a dopamine-rich area of the brain that controls impulsive and irrational behavior. Addicts, in fact, display many of the symptoms shown by patients who have suffered strokes or injuries to the prefrontal cortex. Damage to this region, University of Iowa neurologist Antonio Damasio and his colleagues have demonstrated, destroys the emotional compass that controls behaviors the patient knows are unacceptable...
Without these emotional reflexes, rarely conscious but often terribly powerful, we would scarcely be able to function. "Most decisions we make have a vast number of possible outcomes, and any attempt to analyze all of them would never end," says University of Iowa neurologist Antonio Damasio, author of Descartes' Error: Emotion, Reason and the Human Brain. "I'd ask you to lunch tomorrow, and when the appointed time arrived, you'd still be thinking about whether you should come." What tips the balance, Damasio contends, is our unconscious assigning of emotional values to some of those choices. Whether we experience...
...When Damasio worked with patients in whom the connection between emotional brain and neocortex had been severed because of damage to the brain, he discovered how central that hidden pathway is to how we live our lives. People who had lost that linkage were just as smart and quick to reason, but their lives often fell apart nonetheless. They could not make decisions because they didn't know how they felt about their choices. They couldn't react to warnings or anger in other people. If they made a mistake, like a bad investment, they felt no regret or shame...
...Consciousness," says Antonio Damasio, "is a concept of your own self, something that you reconstruct moment by moment on the basis of the image of your own body, your own autobiography and a sense of your intended future." Missing any one of the essential parts that it's built on diminishes consciousness but does not totally negate it. Damasio has no doubt that Boswell is conscious, though the quality of that consciousness is impossible for anyone else to imagine...