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#21
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enigma ) writes: bumping the head rarely causes brain damage, especially in infants. babies/toddlers bump tier heads with amazing frequency. some even bang thier heads on purpose. they are not giving themselves brain damage. *i* even bump my head fairly regularly (there's this one heat duct in the basement that's just about forehead height at one end...). it hurts, & i've lost a rather large chunk of skin/hair on it, but it doesn't cause brain damage. it takes a pretty traumatic blow to do that. I'm not convinced. What makes you believe that? I believe that large bumps to the head cause large, noticeable amounts of brain damage, and that small bumps cause small amounts of brain damage that may not be noticeable enough to see that they were caused by the bump but may still affect the person's behaviour and intelligence. I'm not sure. I think there may be a size of bump below which no brain damage occurs (or maybe tiny amounts of brain damage occur even with tiny bumps). I don't know what size of bump that is, and I don't think anybody else knows, either. I'm not sure of that, either -- maybe somebody has figured that out. But just because somebody says a bump is too small to cause brain damage doesn't convince me, even if it's a brain damage expert. I'd have to hear what experiments they had done to establish that. They may just mean the bump was too small for them to expect to see noticeable brain damage that they can easily attribute to that bump. How do you know you don't have brain damage? I also tend to bump my head a lot. I taught myself to be aware of where things are so that I wouldn't bump my head so much. It seems to have worked, but I'm afraid I may be heading back into an over-confident stage where I don't worry about bumping my head because it never happens any more so I might get less aware and start bumping again. The idea has occurred to me that brain damage could possibly have contributed to having a habit of bumping the head. I think that's one of those things we'll probably never know. I've seen a helmet for babies, I'm pretty sure. It was lighter than a bike helmet. It had only flexible styrofoam-like stuff and no hard outer shell. For the kinds of bumps you expect from falling from a standing position you don't need as much of a helmet as for collisions with cars or falling off bikes at high speed. The helmet for babies could even be shaped more like a headband, with nothing on top; that's assuming you expect certain parts of the head to be more likely to hit the ground. OP: you could try contacting Teresa Gallagher; her son had a helmet, though he may have been older, about 4 years old. He needed it for things like falling off playstructures. Her web page is http://borntoexplore.org. -- Cathy Woodgold http://www.ncf.ca/~an588/par_home.html We are all Iraqis now. |
#22
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#23
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enigma ) writes: the brain is surrounded by fluid. that acts as a shock absorber. it is also encased in bone, which is covered my skin, all of which adds extra protection. i don't see why you would think a little bump to the head *would* cause brain damage. that's like saying bumping your leg is likely to cause it to break... and that is not true under normal circumstances either. I hope I'm not scaring the OP, who might wish to skip this part of the thread. The brain is composed of a delicate, jelly-like substance. It's not hard like bone. Bumping a bone doesn't break it; in fact, bumps send a signal to the bone to grow stronger. But shaking the jelly-like material of the brain does damage it. I'm not sure whether there's a lower limit below which shaking doesn't damage it. The reason the brain is surrounded by fluid and bone is to provide some protection, because it needs it. In spite of these protective layers, bumps cause sudden acceleration of the brain, which pulls on it the way putting it in a centrifuge would. People who do boxing (professional head-hitters) suffer brain damage. Maybe one hit doesn't cause enough brain damage that it can be measured, but over time, after many fights and many hits on the head, they experience a noticeable amount of brain damage. (At least some of them. Or so I've been told.) I think it's reasonable to conclude from this that one hit does cause some brain damage. my brother was in a car accident, where he suffered a head trauma to the point the hospital had a pressure gauge attached to his head. they monitor the brain swelling because after a certain point it does cause damage. however, in my brother's case it did not. absolutely no change in personality or intelligence. he is, however, more careful driving on wet leaves in heavy rain... I don't think you can know that there was no change in personality or intelligence. There could have been a small change that you didn't notice. There may not have been brain damage due to swelling, but there may have been brain damage due to the sudden acceleration that occurred at the time of the injury. In the book "Healing ADD", Daniel Amen says that he noticed that a large proportion of the people who came to him for treatment for ADD had scars on their faces. He used brain scans to show unusual brain activity near sites of brain injuries, and he also found a lot of people with regions in their brains of unusual activity level (higher or lower than average) which don't correlate with any known injury but which could well have been caused by a bump on the head that everybody has forgotten about. -- Cathy Woodgold http://www.ncf.ca/~an588/par_home.html We are all Iraqis now. |
#24
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"Catherine Woodgold" wrote in message ... enigma ) writes: bumping the head rarely causes brain damage, especially in infants. babies/toddlers bump tier heads with amazing frequency. some even bang thier heads on purpose. they are not giving themselves brain damage. *i* even bump my head fairly regularly (there's this one heat duct in the basement that's just about forehead height at one end...). it hurts, & i've lost a rather large chunk of skin/hair on it, but it doesn't cause brain damage. it takes a pretty traumatic blow to do that. I'm not convinced. What makes you believe that? I believe that large bumps to the head cause large, noticeable amounts of brain damage, and that small bumps cause small amounts of brain damage that may not be noticeable enough to see that they were caused by the bump but may still affect the person's behaviour and intelligence. I'm not sure. Which makes all of these conclusions a bit irresponsible. P. Tierney |
#25
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"Catherine Woodgold" wrote in message ... enigma ) writes: the brain is surrounded by fluid. that acts as a shock absorber. it is also encased in bone, which is covered my skin, all of which adds extra protection. i don't see why you would think a little bump to the head *would* cause brain damage. that's like saying bumping your leg is likely to cause it to break... and that is not true under normal circumstances either. I hope I'm not scaring the OP, who might wish to skip this part of the thread. The brain is composed of a delicate, jelly-like substance. It's not hard like bone. Bumping a bone doesn't break it; in fact, bumps send a signal to the bone to grow stronger. But shaking the jelly-like material of the brain does damage it. I'm not sure whether there's a lower limit below which shaking doesn't damage it. The reason the brain is surrounded by fluid and bone is to provide some protection, because it needs it. In spite of these protective layers, bumps cause sudden acceleration of the brain, which pulls on it the way putting it in a centrifuge would. People who do boxing (professional head-hitters) suffer brain damage. Maybe one hit doesn't cause enough brain damage that it can be measured, but over time, after many fights and many hits on the head, they experience a noticeable amount of brain damage. (At least some of them. Or so I've been told.) I think it's reasonable to conclude from this that one hit does cause some brain damage. It isn't reasonable to conclude that at all. Heck, you don't even know if the premise is true. If one hit causes brain damage, then *all* boxers are brain damaged since they've all been hit, more than once. Most humans too, at some point in their lives. And if one causes some brain damage, do two give one twice as much damage? And three, three times? I think that such a matter would require a more scientific approach instead of using simple lay logic. my brother was in a car accident, where he suffered a head trauma to the point the hospital had a pressure gauge attached to his head. they monitor the brain swelling because after a certain point it does cause damage. however, in my brother's case it did not. absolutely no change in personality or intelligence. he is, however, more careful driving on wet leaves in heavy rain... I don't think you can know that there was no change in personality or intelligence. There could have been a small change that you didn't notice. There may not have been brain damage due to swelling, but there may have been brain damage due to the sudden acceleration that occurred at the time of the injury. And there may not have been. P. Tierney |
#26
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the last fall on the hardwood floor resulted in a hymatoma (sp?) on the
head, I put blankets all over the floors but this one takes off right away, this why I am so worried I would think that the blankets would make the hardwood floor more slippery, no? He'll be fine without a helmet. A few bruises won't hurt him. JennP. |
#27
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"JennP." wrote in message
oups.com... the last fall on the hardwood floor resulted in a hymatoma (sp?) on the head, I put blankets all over the floors but this one takes off right away, this why I am so worried I would think that the blankets would make the hardwood floor more slippery, no? He'll be fine without a helmet. A few bruises won't hurt him. JennP. A hematoma is just a fancy medical name for a bruise. When my oldest son was about 18 months I took him in for a check up and was so embarrased at how many bruises he had I made a comment about how he (the ped) must suspect child. He said that if he sees a child without bruises at that age he worries about the child being *overprotected* and not being allowed to explore his environment and learn from his mistakes. FWIW, my 10yo still hasn't learned not to run on the hardwoods in his socks. ;-) Leigh |
#28
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"Leigh Menconi" wrote in message
ink.net... "JennP." wrote in message oups.com... the last fall on the hardwood floor resulted in a hymatoma (sp?) on the head, I put blankets all over the floors but this one takes off right away, this why I am so worried I would think that the blankets would make the hardwood floor more slippery, no? He'll be fine without a helmet. A few bruises won't hurt him. JennP. A hematoma is just a fancy medical name for a bruise. When my oldest son was about 18 months I took him in for a check up and was so embarrased at how many bruises he had I made a comment about how he (the ped) must suspect child. He said that if he sees a child without bruises at that age he worries about the child being *overprotected* and not being allowed to explore his environment and learn from his mistakes. FWIW, my 10yo still hasn't learned not to run on the hardwoods in his socks. ;-) Leigh I left out a word. It should read that the pediatrician must suspect *child abuse*. Leigh |
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