Dysregulation,Serotonin, Depression, Serotonin, Prefrontal cortex, Hippocampus, cingulate gyrus, brainstem, raphe nuclei, Hypothalamus, suprachiasmatic nucleus, suicide behaviors, Suicidality, suicide act, suicide threat, hypothesissuicide threat warning, indirect or direct, verbal or nonverbal, planning to take ones life, hint suggest, declare, intent to end ones life suicide attempt Self-injurious behavior with a nonfatal outcome with intent to kill themself. unintentional - unplanned, a...