PODCAST · health
Cognitive Corner
by Rayna Kumar
Welcome to Cognitive Corner, a youth-led podcast where the mysteries of the mind meet the frontiers of technology. I aspire to explore the fascinating intersection of cognitive science, neuroscience, artificial intelligence, and psychology.From understanding how our brains process information to examining the latest breakthroughs in AI, we'll explore questions that challenge our understanding of consciousness, learning, and human potential.
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S2E16: Understanding Consciousness, Language, and Thought with Professor Martin Monti
Join me as I speak with Professor Martin Monti, Professor of Psychology and Neurosurgery at UCLA and Area Chair of Cognitive Psychology. Professor Monti directs the Monti Lab, bridging psychology and neurosurgery at UCLA's Ronald Reagan Medical Center. His groundbreaking work uses advanced neuroimaging to explore two fundamental aspects of being human: the nature of consciousness and the relationship between language and thought.We unpack the distinction between wakefulness and awareness in vegetative and minimally conscious states. Professor Monti details his famous fMRI tennis-imagery paradigm to detect hidden awareness, his lab's pioneering use of low-intensity focused ultrasound on the thalamus, and the potential of brain-computer interfaces for patient communication. We also examine the ethical challenges surrounding disorders of consciousness, what algebraic studies reveal about the relationship between language and cognition, and his advice for aspiring neuroscientists.
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S2E15: How the Mind Produces Speech and Language with Professor Matthew Goldrick
In this episode, I speak with Professor Matthew Goldrick, Professor of Linguistics and Director of the Cognitive Science Program at Northwestern University. A leading researcher in the cognitive science of language, he combines behavioral, acoustic, and computational methods to explore speech and multilingual processing. Professor Goldrick is also the recipient of the 2026 Jeffrey L. Elman Prize for Scientific Achievement and Community Building from the Cognitive Science Society.We explore how the mind transforms thoughts into speech and what speech errors reveal about language processing. Professor Goldrick explains how multiple languages interact in bilingual speakers, how cascading activation shapes speech, and how bilingualism affects pronunciation. We also discuss how speech may reveal motor dysfunction in people at risk for psychosis and his advice for aspiring cognitive scientists.
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S2E14: How the Brain Understands Speech, Language, and Music with Professor David Poeppel
In this engaging episode, I speak with Professor David Poeppel, Professor of Psychology and Neural Science at NYU, and one of the world's leading cognitive neuroscientists studying speech, language, and auditory perception. By combining cognitive neuroscience, linguistics, psychology, and advanced brain imaging, his research has transformed our understanding of how the brain converts sounds into the words and ideas we understand.We explore the "parts list" of how the brain recognizes speech. Professor Poeppel explains why timing is fundamental to speech perception, how different brain pathways and hemispheres support language, and what his influential theories reveal about human communication. We also discuss the brain's remarkable ability to process music, one of the biggest unanswered questions about language and memory, and his advice for students pursuing cognitive science.
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S2E13: The Science of Analogy, Reasoning, and Creativity with Professor Keith Holyoak
In this episode, I speak with Professor Keith Holyoak, Distinguished Professor of Psychology at UCLA, a Guggenheim Fellow, and one of the world's leading researchers on human reasoning and analogy. By combining behavioral research, cognitive neuroscience, and computational modeling, his research has transformed our understanding of how analogy serves as a fundamental building block of human thought.We explore how analogy helps us solve problems, transfer knowledge across domains, and fuel creativity, while also examining the situations in which it can lead us astray. Professor Holyoak discusses what distinguishes human analogical thinking from today's large language models, why current AI lacks biological consciousness, and what insights from his recent book and research reveal about AI-generated writing. We also discuss how relational thinking develops from childhood and the role of the prefrontal cortex in complex reasoning.
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S2E12: The Science of Causality, Credit Assignment, and Research Rigor with Professor Konrad Kording
In this enlightening episode, I speak with Professor Konrad Kording, a leading computational neuroscientist, data scientist, and Penn Integrates Knowledge (PIK) Professor of Neuroscience at the University of Pennsylvania. His research bridges neuroscience, AI, machine learning, and causal inference, tackling the challenge of uncovering cause-and-effect relationships when controlled experiments aren't possible.We explore why proving causality is uniquely difficult and how quasi-experiments help control confounding variables. Professor Kording breaks down scientific pitfalls like p-hacking, deep insights from his microprocessor paper, and how biological brains solve the credit assignment problem compared to AI. Finally, he shares the hurdles of simulating the C. elegans nervous system and how initiatives like Neuromatch and the Community for Rigor are helping train the next generation of scientists to promote more rigorous research.
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S2E11: The Neuroscience of Pleasure, Desire, and Addiction with Professor Kent Berridge
Professor Kent Berridge, a leading neuroscientist and the James Olds Distinguished University Professor of Psychology and Neuroscience at the University of Michigan, has revolutionized our understanding of pleasure, desire, and motivation.In this captivating episode, we discuss the difference between “liking” and “wanting,” why dopamine drives desire rather than pleasure, and how specific “hedonic hotspots” in the brain generate pleasurable experiences. Professor Berridge also explains how these discoveries have reshaped our understanding of addiction, craving, and reward. We explore the surprising links between desire and fear, how motivation is created in the brain, and what these findings reveal about human behavior.
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S2E10: How Brain Networks Drive Learning and Aging with Dr. Randy McIntosh
Join me as I speak with Dr. Randy McIntosh, a leading neuroscientist and Professor at Simon Fraser University in British Columbia, Canada. He holds the BC Leadership Chair in Neuroscience and Technology Transfer Across the Lifespan and serves as Director of the Institute for Neuroscience and Neurotechnology.In this episode, we explore how different parts of the brain work together, why early development is such a critical window for learning, and how brain networks change in conditions like Alzheimer’s and Parkinson’s. Professor McIntosh also explains The Virtual Brain, an open-source platform he co-developed that creates personalized brain simulations, and discusses how these models could support early detection, prediction, and future clinical care. He also shares how social and cultural experiences shape brain health, along with insights from My Virtual Dream (a large-scale public neuroscience experiment).
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S2E09: The Science of Attention, Memory, and Mental Performance with Dr. Heather Collins
In this insightful episode, I sit down with Dr. Heather Collins, a cognitive neuroscientist and a keynote speaker with over 50 peer-reviewed publications, including work in The New England Journal of Medicine and the Proceedings of the National Academy of Sciences (PNAS). Dr. Collins specializes in translating brain research into real-world strategies, and her work spans from studying Alzheimer's disease to helping NASA astronauts maintain peak cognitive performance.We discuss mastering attention by managing cognitive load and working in focused sprints, why multitasking decreases performance, the difference between working memory and long-term memory, and techniques for retaining information. Dr. Collins also shares Alzheimer's prevention strategies, early warning signs, and compassionate caregiving approaches.
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S2E08: The Neuroscience Behind Emotion, Dreams, and Engagement with Professor Moran Cerf
In this fascinating episode, I sit down with Professor Moran Cerf, a neuroscientist, Academic Director in Executive Education at Columbia University, and Alfred P. Sloan Professor at the American Film Institute. He holds a PhD in neuroscience from Caltech, an MA in Philosophy, and a BSc in Physics from Tel-Aviv University. Prof. Cerf holds multiple patents and has published five books and over 70 academic papers. His work has been featured on CNN, BBC, NPR, Time, Netflix Explained, and many other outlets.We explore his journey from hacker to neuroscientist, his groundbreaking research recording single neurons during brain surgery to study consciousness and emotion, and how he studies and influences dreams. Prof. Cerf also discusses what makes content truly engaging, the future of brain–machine interfaces, and why mastering storytelling is one of the most valuable skills to develop.
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S2E07: Understanding the Brain Through Computational Neuroscience with Dr. Grace Lindsay
Join me on this episode with my guest, Dr. Grace Lindsay, a computational neuroscientist and Assistant Professor of Psychology and Data Science at New York University. Dr. Lindsay leads the Lindsay Lab, where her team uses artificial neural networks as models of biological information processing to study the brain. We explore connections between CNNs and biological vision, her research on attention, and what computational models can and cannot tell us about the brain. Dr. Lindsay briefly discusses her book Models of the Mind, AI’s role in education, grid cells and navigation, and applications of machine learning to climate-related challenges.
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S2E06: Understanding Dyscalculia and Numerical Cognition with Dr. Daniel Ansari
In this episode, I speak with Dr. Daniel Ansari, Professor and Canada Research Chair in Developmental Cognitive Neuroscience and Learning at Western University in Ontario. Dr. Ansari leads the Numerical Cognition Lab, where he studies how children learn numerical and mathematical skills and why some experience difficulties such as dyscalculia. We discuss how the brain represents numbers, what distinguishes typical from atypical math development, common challenges associated with dyscalculia, evidence-based interventions, comorbidity with dyslexia and ADHD, and how neuroscience can help identify and support struggling learners. Dr. Ansari also shares insights on misconceptions about math learning and the role of education in shaping learning.
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S2E05: The Neuroscience of Fear, Memory, and Emotional Flexibility with Dr. Daniela Schiller
Join me as I sit down with Dr. Daniela Schiller, Professor of Neuroscience and Psychiatry at the Icahn School of Medicine at Mount Sinai, and a recipient of the Blavatnik Award, Klingenstein-Simons and Kavli Fellowships, and a Fulbright Scholar. We explore how the brain encodes and modifies emotional experiences like fear and trauma, what emotional flexibility means for mental health, and how emotional memories can be updated without drugs. Dr. Schiller also discusses how the brain navigates social relationships and the path from laboratory findings to real-world therapies.
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S2E04: Computational Modeling of Imagination with Dr. Jim Davies
In this episode, I sit down with Dr. Jim Davies, PhD, a cognitive scientist and professor at Carleton University in Ottawa, Canada. We explore how imagination works in the human mind, why some people experience vivid mental imagery while others don’t, and how Dr. Davies’ lab builds AI models that simulate visual imagination. From hyperphantasia and aphantasia to the future of 3D scene generation and imagination engines, this conversation uncovers the fascinating intersection of imagination and artificial intelligence.
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S2E03: Natural Language Processing and Deep Learning Insights with Dr. Charles Martin
Meet Dr. Charles H. Martin, PhD, founder of Calculation Consulting and inventor of WeightWatcher.ai, an open-source tool for analyzing deep neural networks. With over 15 years of experience building AI systems at companies including Google, eBay, and Walmart, he brings extensive experience applying machine learning across multiple industries. In this conversation, we explore natural language processing applications, the physics principles behind WeightWatcher, the role of Calculation Consulting in helping organizations make data-driven decisions, and practical uses of AI in fields from finance to robotics.
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S2E02: LLMs and NLP in Healthcare: Transforming Radiology with AI with Dr. Peyman Shokrollahi
Join me as I chat with Dr. Peyman Shokrollahi, PhD, a research scientist in the Department of Radiology at Stanford University School of Medicine, specializing in AI applications for medical imaging. We explore how large language models (LLMs) and natural language processing (NLP) are transforming healthcare and radiology, discuss the key risks and ethical concerns of using ML in clinical settings, examine the challenges of model explainability in healthcare applications, and delve into the potential of AI chatbots for patient care.
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S2E01: How VR (Virtual Reality) is Revolutionizing Mental Healthcare Access with Sanya Rajpal
Join me in this episode as I sit down with Sanya Rajpal, Founder and CEO of AdagioVR (adagiovr.com), for an enlightening conversation about how virtual reality is transforming mental healthcare. We explore her scientifically-based approach to addressing root causes of mental health challenges, the unique advantages and obstacles of VR therapy, and how AI can enhance personalized treatment while maintaining essential human oversight in vulnerable populations.
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S1E04: Infrastructure behind AI Models with Tamanna Sait
In this episode, I sit down with Ms. Tamanna Sait, an expert in scaling cloud infrastructure and AI/ML systems. We explore what AI infrastructure really means, the critical role of power and cooling in large-scale deployments, and key implementation challenges. Tamanna also shares her insights on the evolution of AI infrastructure.
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S1E03: AI in Healthcare with Abhishek Kumar
In this episode, join me and my guest Abhishek Kumar, Co-Founder and CEO of Lung Care Foundation, India. An Oxford University MBA alumnus, Abhishek leverages technology and business expertise to drive healthcare innovation in India. We explore how AI is transforming healthcare delivery, from improving diagnostic accuracy to personalizing treatment plans. Abhishek shares insights on AI's potential to enhance patient care in resource-limited settings and also create new possibilities for human-AI collaboration in healthcare. This is a fascinating discussion on technology's role in shaping the future of medicine.
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S1E02: Intelligent Automation with Neeraj Mathur
In this episode, I talk with Mr. Neeraj Mathur, an AI and Intelligent Automation leader who has directed intelligent automation programs at multiple companies. Mr. Mathur discusses his career path as a technologist and explains what intelligent automation means in practical terms. We discuss how this technology is changing education and healthcare, looking at specific applications that are making an impact. Join me to understand the real-world benefits of intelligent automation and its potential to address everyday challenges.
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S1E01: Welcome to Cognitive Corner
Diving deeper into the intersection of cognitive science, neuroscience, psychology, and artificial intelligence!
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ABOUT THIS SHOW
Welcome to Cognitive Corner, a youth-led podcast where the mysteries of the mind meet the frontiers of technology. I aspire to explore the fascinating intersection of cognitive science, neuroscience, artificial intelligence, and psychology.From understanding how our brains process information to examining the latest breakthroughs in AI, we'll explore questions that challenge our understanding of consciousness, learning, and human potential.
HOSTED BY
Rayna Kumar
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