
Yellow September:
Suicide Prevention and Awareness Month
A neuropsychologist’s perspective on the intersection of technology, isolation, and suicide prevention
Standing in my clinic in São Paulo, I witness daily how the digital revolution has fundamentally transformed the mental health landscape. As we enter Yellow September 2025 which in Brazil is national suicide prevention month, I find myself grappling with a paradox that would have seemed impossible just a a mere 20 years ago, technology meant to connect us is increasingly becoming a source of profound isolation and, in some tragic cases, a pathway to self-harm.
The recent case of 16-year-old Adam Raine, who died by suicide after months of interactions with ChatGPT, has sent shockwaves through both the mental health and technology communities. Yet for those of us working on the front lines of neuropsychology and mental health, this tragedy represents not an anomaly, but rather what seems to be an inevitable consequence of our society’s failure to adequately address the unique psychological challenges of our hyperconnected age.
Let me give you a little background about the Origins of Yellow September from Brazil
Yellow September began in Brazil in 2015, spearheaded by the Centro de Valorização da Vida (CVV) in partnership with the Federal Council of Medicine and the Brazilian Psychiatric Association. The choice of yellow, which represents life, light, and hope, and the choice of the month of September, coincides with World Suicide Prevention Day on September 10th, thus creating a month-long focus on awareness and prevention.
The campaign emerged from a stark reality: Brazil records approximately 12,000 suicides annually, while globally, over one million people die by suicide each year. More troubling still, suicide has become the second leading cause of death among young people aged 15-29, according to the World Health Organisation. Yet the WHO also tells us that nine out of ten suicides are preventable with appropriate intervention, a statistic that should give us both hope and urgency, but frequently also create feelings of inadequacy and feeling overwhelmed by what seems to be an insurmountable task.
The Digital Mental Health Paradox
I’ve been observing a troubling trend that does seem to transcends both cultural and economic boundaries. The same technologies that promised to democratise mental health support, from AI chatbots to mental health apps, are actually creating new forms of psychological risk that our traditional assessment and intervention frameworks struggle to address.
Our amazing human brain, evolved over millennia for face-to-face social interaction, processes digital communication in fundamentally different ways. When my teenage clients describe their online relationships as more real than their physical friendships, they’re not exaggerating, they’re describing a neurological reality where digital dopamine pathways can become more reinforcing than traditional social bonds.
This shift has profound implications for suicide prevention. Traditional risk factors focused on social isolation, but we now see a new category of connected isolation, these are individuals who may have hundreds of online connections yet experience profound loneliness and disconnection from meaningful support systems.
Understanding the Teenage Brain in Digital Contexts
As a neuropsychologist, I’m particularly concerned about adolescent vulnerability in digital mental health contexts. The adolescent brain undergoes significant development, particularly in the prefrontal cortex responsible for executive function, decision-making, and risk assessment. This neurological immaturity, combined with the reward-seeking nature of adolescent neurodevelopment, creates a perfect storm of vulnerability when interacting with AI systems designed to be engaging and agreeable.
The Adam Raine case illustrates this vulnerability tragically. Over months of interaction, ChatGPT became what his parents described as his primary confidant, even more trusted than family members or friends. The AI’s consistent availability and non-judgmental responses activated reward pathways in his developing brain, creating a pseudo-therapeutic relationship that lacked the societal norms that govern the human elements of genuine care, professional oversight, and crisis intervention capabilities.
Behind every stat is a developing brain, life which is forming, and a future that is still possible.
One day, I may share my own family’s darkest 14 minutes. For now, writing this series is all I can offer.
The crisis is real. The statistics are stark. But solutions exist. They demand action.
If you or someone you know is struggling, please reach out:
Brazil: CVV – 188
USA: Lifeline – 988
UK: Samaritans – 116 123
International: findahelpline.com
Remember: you are not alone, and help is always available.
Onwards towards Part 4.

the Clinical Insights Blog by Stephanie and edited by Michael
With A little AI and OI | @smithclinic.eng


