Brain indoles in human hepatic encephalopathy
Hanan Al Mardini, Emma J. Harrison, Paul G. Ince, Kim Bartlett, Christopher O. Record – 1 June 1993 – The neurotransmitter serotonin has a profound effect on the control of sleep; thus excess serotonin activity in the brain could be responsible for impaired consciousness in hepatic encephalopathy. Furthermore, an increased brain level of 5‐hydroxyindoleacetic acid has been a consistent finding in various animal models of the condition.