![]() ![]() This theory could explain why people cry during cheerful events, as well as very painful events. Crying is believed to be an outlet or a result of a burst of intense emotional sensations, such as agony, surprise or joy. There is some empirical evidence that crying lowers stress levels, potentially due to the release of hormones such as oxytocin. Some have also claimed that crying can serve several biochemical purposes, such as relieving stress and clearance of the eyes. Theories range from the simple, such as response to inflicted pain, to the more complex, including nonverbal communication in order to elicit altruistic helping behavior from others. The question of the function or origin of emotional tears remains open. They contain significantly greater quantities of the hormones prolactin, adrenocorticotropic hormone, and Leu-enkephalin, and the elements potassium and manganese. Tears produced during emotional crying have a chemical composition which differs from other types of tears. įor crying to be described as sobbing, it usually has to be accompanied by a set of other symptoms, such as slow but erratic inhalation, occasional instances of breath holding and muscular tremor.Ī neuronal connection between the lacrimal gland and the areas of the human brain involved with emotion has been established. Various forms of crying are known as sobbing, weeping, wailing, whimpering, bawling, and blubbering. A related medical term is lacrimation, which also refers to non-emotional shedding of tears. The act of crying has been defined as "a complex secretomotor phenomenon characterized by the shedding of tears from the lacrimal apparatus, without any irritation of the ocular structures", instead, giving a relief which protects from conjunctivitis. Emotions that can lead to crying include sadness, anger, and even happiness. Crying is the dropping of tears (or welling of tears in the eyes) in response to an emotional state, or pain.
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