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<blockquote>{{Citation |Text=Although postsurgical central sensitisation (allodynia and hyperalgesia) can extend to sites of the body distal from the wound, suggesting a supraspinal effect, the long-term consequences of surgery done without anaesthesia are likely to include post-traumatic stress as well as pain. It is, therefore, possible that the greater vaccination response in the infants circumcised without anaesthesia may represent an <u>infant analogue of a post-traumatic stress disorder</u> triggered by a traumatic and painful event and re-experienced under similar circumstances of pain during vaccination. |Author=Taddio et al. (1997) |ref=<ref name="taddio1997" /></blockquote>}}

<blockquote>{{Citation |Text=The public health importance of abnormal stimulation during the neonatal period cannot be overemphasized. While programs for formulating appropriate health policies and public education campaigns must disseminate this message, it is also important for these effects to be investigated, particularly with a view to developing effective therapeutic strategies for the growing childen and adolescents who were exposed to abnormal conditions during the neonatal period. |Author=Anand & Scalzo (2000) |ref=<ref name="anand2000">{{REFjournal

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<blockquote>: {{Citation |Text=Neonatal circumcision is performed without anesthesia and it is clearly stressful for the infant.</blockquote> |Author=Gunnar et al. (1981)So great was Flechsig's influence, the authors were still unwilling to use the word ''pain'' and substituted the word ''stress''. |ref=<refname="Gunnar et al 1981">{{REFjournal

<blockquote>{{Citation<i> |Text=Numerous lines of evidence suggest that even in the human [[fetus]], pain pathways as well as cortical and subcortical centers necessary for pain perception are well developed late in gestation, and the neurochemical systems now known to be associated with pain transmission and modulation are intact and functional. Physiologic responses to painful stimuli have been well documented in neonates of various gestational ages and are reflected in hormonal, metabolic, and cardiorespiratory changes similar to but greater than those observed in adult subjects. 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.</i> |Author=Anand & Hickey (1987) |ref=<ref name="anand1987"/><ref name="vanhowe2008"/></blockquote></i>}}

<blockquote>{{Citation |Text=Despite evidence that neonates perceive pain and that there is a physiologic stress response to circumcision which can be reduced if analgesia is employed, the vast majority of physicians performing newborn circumcisions either do not employ analgesics or employ analgesics of questionable efficacy. Lack of familiarity with the use of analgesics among neonates and with dorsal penile block in particular are the most common reasons cited for lack of analgesic use. Educational efforts and research into less invasive techniques of analgesia for newborn circumcision are urgently required. |Author=Wellington & Rieder (1993) |ref=<ref>{{REFjournal

<blockquote>{{Citation |Text=DESPITE THE DEBATE that continues over the benefits and risks of nonritual neonatal circumcision, it remains a commonly performed surgical procedure in the United States. To the best of our knowledge, it is the only surgical procedure that is routinely performed without first administering analgesia or anesthesia. This unconscionable state of affairs exists, despite the overwhelming evidence that newborns, even those born prematurely, are capable of experiencing pain. Indeed, anyone present during a circumcision realizes that the newborn feels and responds to pain and will attempt to withdraw if unrestrained. In addition, this pain has physiologic correlates: elevated heart rate and blood pressure, lowered arterial oxygen saturation, and elevated levels of adrenocortical hormones. During the past 15 years, results of a multitude of studies have demonstrated that effective analgesia can prevent this pain and ameliorate the associated stress response. Furthermore, the failure to provide anesthesia or analgesia has been shown to cause not only short-term physiologic perturbations but also longer-term behavioral changes. |Author=Maxwell & Yaster (1999) |ref=<ref>{{REFjournal