Reducing Suicide Risk in Adolescents and Young Adults Via a Psychobehavioral Intervention to Regularize Daily Rhythms

Exclusion Criteria

• •Significant medical or neurologic illness (especially if related to cerebral tissue)
• •MRI contraindication,
• •pregnancy by urine test
• •current moderate or severe alcohol/other substance use disorders except caffeine/nicotine
• •positive urine screen for benzodiazepines, cocaine, amphetamines, phencyclidine, opiates, oxycodone; not cannabis as its use is common in this population and it can remain positive for a month
• •current evidence-based individual psychotherapy (e.g. cognitive behavioral therapy, dialectical behavioral therapy,) or treatment directly targeting brain regions of interest e.g. transcranial magnetic stimulation or electro-convulsive therapy,
• •current psychosis
• •inability to provide informed consent, including IQ\<70, Young Mania Rating Scale (YMRS) \>25, or too symptomatic by PI's judgment
• •active suicidal plan or intent or Columbia Suicide Severity Rating Scale (C-SSRS) stage "4" risk (some intent to carry out the plan; as indicated by multisite study assessing suicide risk in randomized clinical trials or if revealed on any rating scale or in judgment of any study clinician.
• •homicidal ideation