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Attention deficit hyperactivity disorder (ADHD) [1] is a neurodevelopmental disorder characterized by symptoms of inattention, hyperactivity, impulsivity, and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and developmentally-inappropriate. [9]
In psychology, logorrhea or logorrhoea (from Ancient Greek λόγος logos "word" and ῥέω rheo "to flow") is a communication disorder that causes excessive wordiness and repetitiveness, which can cause incoherency.
The condition was explained as being a result of exhaustion of the central nervous system's energy reserves, which Beard attributed to modern civilization. Physicians in the Beard school of thought associated neurasthenia with the stresses of urbanization and with stress suffered as a result of the increasingly competitive business environment.
This protein coding gene helps inhibit the sympathetic nervous system, simultaneously suppressing anxiety. However, humans and their living ancestors, chimpanzees, lacked this gene. This led to a more active nervous system needed for fight-or-flight behavior in ancestral scavenging techniques and for fleeing predators. [138]
X-linked myopathy with excessive autophagy: XMEN X-linked immunodeficiency with magnesium defect, Epstein-Barr virus infection and neoplasia XP Xeroderma pigmentosa: XSCID X-linked severe combined immunodeficiency: XXX syndrome Triple X syndrome
Separation anxiety disorder (SepAD) is the feeling of excessive and inappropriate levels of anxiety over being separated from a person or place. Separation anxiety is a normal part of development in babies or children, and it is only when this feeling is excessive or inappropriate that it can be considered a disorder. [ 37 ]
[8] Both noxious and non-noxious stimuli can trigger AD. The result is stimulation and hyperactivity of the sympathetic nervous system. [9] The noxious stimuli activate a sympathetic surge that travels through intact peripheral nerves, resulting in systemic vasoconstriction below the level of the spinal cord lesion. [10]
[8] Mood disorders, like depression, anxiety disorder and bipolar disorder, can also be associated with hypersomnia. The complaint of excessive daytime sleepiness in these conditions is often associated with poor sleep at night. "In that sense, insomnia and EDS are frequently associated, especially in cases of depression."