just an "oh by the way" - yes, I'm Jewish. yes, I was. did it hurt? I don't remember.
-Ben > -----Original Message----- > From: Todd [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, April 02, 2002 1:48 PM > To: CF-Community > Subject: Re: Not getting any (RE: Why (Re: They invaded! 0_0)) > > > > Todd, > > > > Infants do not have a fully developed nervous system. For instance, > > mylinization, how the major nerves and nerve pathways > become electrically > > insulated, isn't complete until after 18 on the average. > > "Lack of myelination has been proposed as an index of the > lack of maturity > in the neonatal nervous system30 and is used frequently to support the > argument that premature or full-term neonates are not capable of pain > perception.9-19 However, even in the peripheral nerves of adults, > nociceptive impulses are carried through unmyelinate (C-polymodal) and > thinly myelinated (A-delta) fibers.31 Incomplete myelination > merely implies > a slower conduction velocity in the nerves or central nerve tracts of > neonates, which is offset completely by the shorter interneuron and > neuromuscular distances traveled by the impulse.32 Moreover, > quantitative > neuroanatomical data have shown that nociceptive nerve tracts > in the spinal > cord and central nervous system undergo complete myelination > during the > second and third trimesters of gestation. Pain pathways to > the brain stem > and thalamus are completely myelinated by 30 weeks; whereas the > thalamocortical pain fibers in the posterior limb of the > internal capsule > and corona radiata are myelinated by 37 weeks.33" > > > Moreover pain > > perception is also a matter of experience and > interpretation. so if you > > don't have the mechanism for the pain, its very difficult > to define it as > > such. > > The persistence of specific behavioral changes after circumcision in > neonates implies the presence of memory. In the short term, > these behavioral > changes may disrupt the adaptation of newborn infants to > their postnatal > environment,174-176 the development of parent-infant bonding, > and feeding > schedules.182,182 In the long term, painful experiences in > neonates could > possibly lead to psychological sequelae,22 since several > workers have shown > that newborns may have a much greater capacity for memory than was > previously thought.183-186 > > "Other responses in newborn infants are suggestive of > integrated emotional > and behavioral responses to pain and are retained in memory > long enough to > modify subsequent behavior patterns." > > > These are from: > > PAIN AND ITS EFFECTS IN THE HUMAN NEONATE AND FETUS > K.J.S. ANAND, M.B.B.S., D.PHIL., AND P.R. HICKEY, M.D > From the Department of Anesthesia, Harvard Medical School, > and Children's > Hospital, Boston. > > As printed in: > NEW ENGLAND JOURNAL OF MEDICINE. Vol. 317 No 21: Pages 1321-1329, 19 > November 1987. > > ______________________________________________________________________ Get the mailserver that powers this list at http://www.coolfusion.com Archives: http://www.mail-archive.com/[email protected]/ Unsubscribe: http://www.houseoffusion.com/index.cfm?sidebar=lists
