Journal of Neurology and Neuroscience

  • ISSN: 2171-6625
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Pacifier Use May Decrease the Risk of SIDS

Giovanni Andrisani and Giorgia Andrisani

The purpose of this review article is to explain how pacifier use might prevent sudden infant death syndrome (SIDS). After describing the mesencephalic trigeminal nucleus description, we will discuss the effect of sleep during the non-rapid eye movement (NREM) stage. We hypothesize that during NREM sleep, intense inhibitory neurotransmission by gamma-aminobutyric acid (GABA) and galanin from the ventrolateral preoptic hypothalamic nucleus (VLPO) and median preoptic nucleus (MNPO) to the brainstem activates the mesencephalic trigeminal nucleus (Me5). In response, glutamate is released to overcome the inhibitory effect of GABA and galanin on the ascending reticular activating system (ARAS) nuclei. Infants lack teeth, which means the Me5 cannot optimally exercise its function, and GABA signaling is unopposed. This excess of GABA can lead to extreme "brainstem system" weakness, and many cells of the cerebral stem nuclei do not work properly. For this reason, some infants have high "sensitivity" to numerous non-lethal factors due to momentary weakness of the system (e.g. long QT and trivial infections). Perhaps most importantly, there is "weight" on the respiratory system due to the imbalance of certain neurotransmitters, most notably serotonin.