Showing posts with label brain. Show all posts
Showing posts with label brain. Show all posts

Science and the Near-Death Experience: How Consciousness Survives Death Review

Science and the Near-Death Experience: How Consciousness Survives Death
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Science and the Near-Death Experience: How Consciousness Survives Death ReviewAfter reading Carter's masterful Parapsychology and the Skeptics: A Scientific Argument for the Existence of ESP, I eagerly awaited the second book in his three-book series. Science and the Near-Death Experience builds a powerful and compelling case that the mind is not dependent on the brain and can exist independently of the brain.
To build this case, Carter postpones discussion of near-death experiences (NDEs) and survival of death until after he has spent the first 100 pages discussing the fundamental question underlying these issues: Does consciousness exist independently of the brain? After an eye-opening, extremely lucid tour of neuroscience, quantum physics, memory storage, and theories of life (what animates and organizes living organisms), he concludes that empirical evidence and the known laws of science fully permit the filter theory. This says that the brain doesn't produce consciousness, but rather acts as a filter that allows through, as Aldous Huxley put it, only "a measly trickle" of consciousness.
He then moves on to Part II: The Near-Death Experience. In my view, the strongest part of the book consists of several chapters in this part that explore and refute the proposed psychological, physiological, and pharmacological explanations of NDEs. These chapters are a real tour de force. He examines each of a dozen proposed explanations in detail, finding in each case that the phenomenon that supposedly explains NDEs (e.g., dissociated states, oxygen starvation, ketamine) is simply not a good match for the actual characteristics of NDEs. I particularly like how he dispatched Michael Persinger and his "God Helmet" and Susan Blackmore and her contrived, patchwork "dying brain" theory. By the time he is done, all of the proposed alternative explanations look so weak and flimsy that they appear to really rest on the underlying confidence that a materialist explanation simply must be true.
Then come chapters on NDEs that contain veridical perceptions from an out-of-body perspective and NDEs in which those born blind experience sight. These appear to be direct refutations of the mind's dependence on the brain (drawing on Karl Popper's idea that science advances by refutations). In the end, the common equation of science with materialism comes out looking like an ideology, like its own kind of dogmatic faith.
This deserves to become a landmark book in the survival debate. Carter has a real gift for presenting complex, technical issues in simple, layman's terms. And he has an even more impressive gift of total fearlessness in the face of prevailing dogma. He never flinches, yet he meets this dogma, which depends so heavily on ridicule, without ridicule of his own. His arguments have the feel of a Zen swordsman, dispassionate but deadly accurate.
I am simply glad that Carter is out there writing. His book shows that those who believe in survival do not have to apologize, be timid, or take refuge in the mystery of "faith." On strictly scientific grounds, they are in the stronger position. With more books like this one, our society may start slowly waking up to that fact, with all its immense implications.Science and the Near-Death Experience: How Consciousness Survives Death Overview

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Brain Lock: Free Yourself from Obsessive-Compulsive Behavior Review

Brain Lock: Free Yourself from Obsessive-Compulsive Behavior
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Brain Lock: Free Yourself from Obsessive-Compulsive Behavior ReviewI read Dr. Schwartz' book over 2 years ago while in the throes of a debilitating panic disorder fueled by OCD-like intrusive thoughts. Once the panic was under control (via meds) I started to search for a cognitive-behavioral treatment plan to control the obsessive thoughts. For years I tried to self-analyze the thoughts which amounted to pulling on one of those ropes which would further constrict the more you struggled. The panic disorder finally led me to a specialist who diagnosed both the panic and a mild form of OCD. I say mild since there are clearly OCD patients whose lives are extremely curtailed by the disorder such as incessant hand washing, fear of contamination, leaving the house, and so on. I'm fortunate not to suffer from this form of OCD, although I have experienced some agoraphobia, not uncommon with panic/OCD patients. As a result, I now understood that OCD (and panic) is nothing to be ashamed of and in fact is highly treatable due to recent, breakthrough advances in treating mental illness, medication being at the top of the list. Knowledge is power so no longer stigmatized, I was able to approach the problem as any other by looking for further research on treating the disorder and lucky for me, I came across the book "Brain Lock". "Brain Lock" demystifies OCD by attempting to explain the physiology behind the disorder. I am not medically trained but found the explanations plausible enough to continue on into the treatment phase. The most memorable, constantly reinforced phrase I recall from the book is that whenever you find yourself obsessing about an undesired thought, simply say to yourself "its not me its my OCD". Once that realization hits home, you shift ALL your focus to something else such as work, a good book, playing with your child, or anything activity that removes you from the obsessive "stuck in gear" pattern. It sounds simple but it DOES work. But you must work at it and the more acute the disorder the more difficult it is to shift control. That is where medication can be helpful as Dr. Schwartz points out. He doesn't really push meds put acknowledges it as a crutch to get the ball moving in the right direction. He claims that most, if not all his past patients at time of writing are off meds, using his 4-step, cognitive-behavioral process alone. That is remarkable! I have been on meds to control the panic but would probably go off it should the mild OCD be my only problem. Despite meds, I still run into occasional bouts with OCD but using Dr. Scwhartz's 4-step method, I am able to shift gears and move away from it quickly. As a result, I don't build up guilt and discomfort at having the thoughts in the first place since I don't give them time to fester as I had done in the past. "Its not me its my OCD". Again, Brain Lock is a great read for someone aware of having OCD and looking for a self-help method of controlling it.Brain Lock: Free Yourself from Obsessive-Compulsive Behavior Overview

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This Is Your Brain on Music: The Science of a Human Obsession Review

This Is Your Brain on Music: The Science of a Human Obsession
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This Is Your Brain on Music: The Science of a Human Obsession ReviewThere are questions that are too big for science; are there gods, for instance, or what is love? And maybe we will never fully find out scientifically why music does what it does and why we care about it so. But for many reasons, music ought to be a profitable subject for scientific enquiry. It is, as Pythagoras knew, an activity strongly rooted in mathematics, and the physics of music is fairly well understood. It is as universal as language; all human cultures have some sort of music, indicating it does something indispensable. And we are increasingly able to figure out, with our sophisticated brain imaging gadgets, what brains do when they hear or think about music. The neuroscience of music is the area of expertise of Daniel J. Levitin, and he writes of it in _This Is Your Brain on Music: The Science of a Human Obsession_ (Dutton), a fascinating account of current music psychology. Levitin has produced a book wonderfully accessible to lay readers, since although he is an academic (he runs the Laboratory for Musical Perception, Cognition, and Expertise at McGill University), before he became a scientist, he had been a performing musician, sound engineer, and record producer, working with names like Steely Dan and Blue Oyster Cult. He does pull examples from Bach and Beethoven, but he is obviously more comfortable citing universally-known tunes like "Happy Birthday to You", "Somewhere Over the Rainbow", or "Stairway to Heaven". (Readers whose tastes range in previous epochs will possibly be surprised at the sophistication modern popular musicians have displayed.) Levitin has a good sense of humor and is a genial explainer.
He starts out with a forty page first chapter "What is Music?", which is as good a short explanation of key concepts as tone, scale, fifths, and timbre as anyone could want, and is a fine foundation for all that comes after, a collection of scientific lore and tidbits from all over. For instance, even if you are not a musician, you have a huge store of tunes in your memory. You may not have perfect pitch, the ability to know that an A flat is an A flat as soon as you hear it, but Levitin's own research has provided surprising evidence that your sense of pitch, even if you are not a musician, is really quite good. Subjects who were asked to sing a song from memory got the absolute pitch just right, or very close; they did the same with the song's tempo. There are differences in the brains of musicians and nonmusicians. The corpus callosum, the mass of fibers that connects the right brain hemisphere to the left, is larger in musicians, and is especially larger in those that started music training early. The overall lesson here, though, is that we are all musical, even if we are not musicians, and so non-expert musical brains are really very similar to expert ones. There are descriptions here of surprising research that makes clear how truly ready our brains are to incorporate musical experience. Fetuses in the last three months of gestation, for instance, can hear music within the womb, along with other outside and inside noises. Experiments have shown that if you repeatedly play a song into the womb, and then make sure the child does not hear it again after birth until it is one year old, and then play the music again, the infant will prefer hearing the womb-music rather than completely novel music. This was true whether the experimental music was Vivaldi or the Backstreet Boys.
Levitin certainly has connections; he tells of discussions with Francis Crick about themes in this book, as well as with Joni Mitchell. The final chapter, "The Music Instinct", is a response to cognitive scientist Steven Pinker, who spoke at a 1997 convention of researchers in music perception and cognition. Pinker took the dismissive stance that music was "auditory cheesecake", tickling the parts of the brain that were really for the important functions of language and (unlike language) useless as a force in human evolution. It is not surprising that Levitin and his fellow researchers disagree. Darwin himself felt that musical tones were used in conveying emotion and that those who were able to expend energy in singing or playing were demonstrating biological and sexual fitness. Musical success does make for high numbers of opportunities for spreading one's genes (just ask Mick Jagger). Interest in music peaks in adolescence, indicating a role in sexual selection. Music has been around longer than agriculture, and there is no evidence that language actually preceded music in our species. It may have promoted the cognitive development that was harnessed for speech. Only in the past few hundred years did music become a spectator activity, but in the eons when it could have shaped our social evolution, it was a group activity that may have promoted group togetherness and synchrony. It is an engaging final argument that serves to emphasize the importance of all that the book has presented before, a demonstration that looking at an important human activity in a scientific way only increases our wonder and delight in the activity itself.This Is Your Brain on Music: The Science of a Human Obsession Overview

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