Interview: What happens in your brain when you pay attention? with Dr. Sasha Hamdani | from TED Health

Episode Summary

Executive Summary: This episode explores attention as a trainable filtering system, not just a matter of willpower. Mehdi Ordikani Seydlar explains how overt and covert attention can be measured in brain signals and used to build brain-computer interfaces for therapy and communication. Dr. Sasha Hamdani then reframes ADHD as a regulation disorder, discusses diagnosis gaps and stigma, and highlights practical supports, community, and self-knowledge.

Main Topics: Attention as filtering, not just focusing (Priority: 5/5): The episode argues that attention involves both selecting what to focus on and suppressing distractions. Mehdi distinguishes overt attention (eye movement) from covert attention (mental focus without eye movement). Brain-computer interfaces and neuroscience (Priority: 5/5): Mehdi describes experiments using flickering squares and brainwave resonance to model attention, with the goal of creating assistive technologies for ADHD, communication impairments, stroke, and coma. ADHD as regulation, not a simple attention deficit (Priority: 5/5): Sasha Hamdani explains that ADHD is better understood as an attention, emotional, and energy regulation issue rather than only distractibility or hyperactivity. Diagnosis gaps, gender bias, and misdiagnosis (Priority: 5/5): The conversation highlights how ADHD is often missed in girls and women, underdiagnosed in some populations, and sometimes misdiagnosed as anxiety, depression, or oppositional defiant disorder. Strengths, grief, and identity after diagnosis (Priority: 4/5): Sasha discusses ADHD-related strengths such as creativity and big-picture thinking, while also validating the grief many adults feel when diagnosed late and reinterpreting their past. Treatment beyond medication (Priority: 4/5): The episode emphasizes behavioral tools, coaching, mindfulness, gamification, timers, accountability, and personalized systems as important complements to medication. Community, stigma, and self-diagnosis (Priority: 4/5): Sasha stresses that supportive environments can transform self-perception and functioning, and she makes a nuanced case for self-diagnosis as a valid first step toward understanding and care.

Key Arguments: Attention is not only about what the brain selects, but also about what it filters out; inhibition is central to focus. Covert attention can be measured through brainwave patterns even when the eyes do not move, enabling computational models of cognition. Brain-machine interfaces could eventually support therapies for ADHD and communication for people who cannot speak. ADHD is fundamentally a regulation disorder, not merely an attention deficit or hyperactivity problem. The DSM is too narrow because it emphasizes observable symptoms and omits emotional regulation, contributing to missed diagnoses. Girls and women are often underdiagnosed because they present more with inattentive symptoms and are less likely to disrupt classrooms. Late diagnosis can bring grief, but it also offers a framework for understanding the past and building better strategies going forward. Medication is only one part of ADHD management; behavioral systems and personalized tools can be highly effective. Supportive communities and clinicians can replace shame with problem-solving and improve outcomes. Self-diagnosis can be a useful, validating entry point, though it should not replace professional evaluation for medication decisions.

Data Points: ADHD types: 3 - Sasha names inattentive, hyperactive, and combined types. TED talk year: 2017 - The host notes that Mehdi Ordikani Seydlar's TED talk was from 2017. Public universities in Singapore: 6 - Mentioned in a sponsor message for Singapore University of Social Sciences. Application deadline: April 15 - Sponsor message for graduate program applications. Endwell Summit date: November 20 - Host invites listeners to a free live-streamed summit.

Pivotal Quotes: "attention isn't just about what we focus on. It's also about what our brains filter out." — Dr. Shoshana Ungerleider: Framing the episode's central thesis in the introduction. "Really at its base, it's an attention regulation issue. And it's kind of an everything regulation issue." — Dr. Sasha Hamdani: Explaining how ADHD should be understood beyond the stereotype of distractibility. "The filtering ability of the brain is indeed a key for attention, which is missing in some people, for example, in people with ADHDs." — Mehdi Ordikani Seydlar: Describing the neuroscience link between attention and inhibition.

Implications: Listeners are encouraged to see attention and ADHD as trainable, contextual, and supportable rather than fixed flaws. The episode points toward more personalized care, better diagnosis, and future assistive technologies.