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The neurobiology of crying in infants and adults is complex and poorly understood. As you might expect, direct physiologic studies of infants are lacking; however, some experiments have been performed in adults. Multiple investigators¹ have concluded that emotive crying is associated with increased sympathetic nervous system activity. ​ Experiments ...


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Something that is worth mentioning right out of the gate is a febrile seizure (see also The Epilepsy Foundation). These are sudden seizures, generally experienced by young children, resulting from an especially high fever. The generally accepted (although not fully confirmed) mechanism is via something called respiratory alkalosis (see e.g. Mazarati (2007)). ...


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