02/10/2026
September is Su***de Prevention Month. In my 40+ years of practicing psychiatry, one thing has become abundantly clear: a suicidal brain fundamentally functions differently than a healthy one.
At Amen Clinics, we have analyzed the SPECT scans of hundreds of individuals who have attempted or strongly considered su***de. These scans consistently reveal distinct neurological abnormalities, most notably in the following areas:
Temporal Lobes: Brain imaging frequently highlights dysfunction in the left temporal lobe for those struggling with suicidal ideation. In one of our studies, we found that 62% of patients with severe suicidal thoughts or behaviors exhibited problems in this specific region.
Traumatic Brain Injury (TBI): After evaluating nearly 300,000 functional brain scans, the evidence is undeniable: head trauma is a massive underlying driver for mental health challenges like depression, PTSD, anxiety, and heightened su***de risk. Because 40% of our patients have a history of significant brain injury, we know that physically healing the brain is a non-negotiable step in overcoming mental health crises.
Prefrontal Cortex: This area is responsible for judgment, impulse control, and critical decision-making. Brain scans show that alcohol severely suppresses function here. Underscoring this danger, a massive study from Portland State University revealed that roughly 22% of individuals who died by su***de were legally intoxicated at the time.
Anterior Cingulate Gyrus: When this region is overactive, people easily become trapped in relentless loops of negative thoughts. This inability to shift focus away from the negative is a core trait we regularly observe in patients exhibiting suicidal behaviors.