A 15 kid who wants to talk about his life and experiences.
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Conversations with scientists at the forefront of brain research. Hosted by neuroscientist Mark Mattson.
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Ronald DePinho: Aging and Cancer Research Elucidates Neurodegenerative Mechanisms and Treatments
1:12:11
1:12:11
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Cells in all organ systems experience the same ‘hallmarks of aging’ which include the accumulation of oxidatively damaged proteins, DNA, membranes and mitochondria, impaired DNA repair and autophagy, senescence, and inflammation. In this episode Professor Ron DePinho of the MD Anderson Cancer Center in Houston talks about his remarkable career duri…
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Dimitrios Kapogiannis: Messages in Neural Nanobubbles: Extracellular Vesicles and Brain Disorders
1:18:38
1:18:38
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All cells including neurons in the brain release tiny (~ 100 nanometers in diameter) bubble-like vesicles that contain various molecules produced by the cell. These extracellular vesicles (EVs) are thought to have a variety of functions including sending molecular messages between cells and removing molecular garbage from the cells. Some EVs releas…
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Sebastian Ocklenburg – Left – Right Asymmetries, Lateralized Brain Functions, and Individuality
1:25:24
1:25:24
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While upon casual inspection the left and right sides of the human brain seem symmetrical. But it turns out there are left – right differences in both the structure and functionality of neuronal networks in many brain regions. One well-known example of a brain asymmetry is that regions involved in language comprehension and speech which are located…
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Eva Feldman: The Exposome, Brain Health, and Neurological Disorders
55:28
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The ‘exposome’ is a term used to describe all of the environmental exposures encountered by an individual throughout their life and how these exposures affect their health and contribute to (or protect against) aging and disease. The exposures may be physical (e.g., temperature), chemical (e.g., toxic chemicals), biological (e.g., viruses), or soci…
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Hubert Hondermarck – The Neural Addiction of Cancers
58:04
58:04
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It turns out that regardless of which organ they affect tumors contain a web of axons coursing throughout them. Recent research has shown that interactions between the neurons and the cancer cells influence the proliferation of the cancer cells within the tumor as well as metastasis (the spread of cancer cells to other organs). In this episode I ta…
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Frantisek Baluska – Plant Communication, Behaviors, and … Intelligence
1:16:18
1:16:18
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Plants sense their environment and respond in ways consistent with advanced decision-making capabilities. The cellular mechanisms that control the behaviors of plants are similar to those of animals and include electrically excitable cells capable of transmitting information via calcium waves and volatile messengers such as nitric oxide throughout …
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Darren Baker – Cell Senescence, Brain Aging, and Senotherapeutics for Neurodegenerative Disorders
1:12:18
1:12:18
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Cells have evolved elaborate molecular systems that control cell growth and division in ways that enable optimal function and resilience of all organ systems including the brain. Cells that have the potential to become cancerous are eliminated by a process called apoptosis. Cells may also acquire a senescent state in which they no longer divide and…
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Pascal Molenberghs: The Neuroscience of Tribalism and Xenophobia and Their Impact on Society
1:12:41
1:12:41
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Two interrelated features of the brains of humans and other social animals is that they develop attractions for kin and other members of their local community (tribalism) and perceive strangers as potential threats (xenophobia). Historically, tribalism and xenophobia are of fundamental importance in unnecessary suffering and death from isolated dom…
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Daniel Schacter: The Fallibilities of Memory and the Impact of Digital Technologies Thereon
1:06:15
1:06:15
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The ability of the human brain to store and recall information, and particularly its ability to create new information, is remarkable. The research of Harvard University professor Daniel Schacter as revealed the fallibilities of memory which he categorizes into ‘the seven sins’: transience, absent-mindedness, blocking, persistence, misattribution, …
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Rajiv Ratan: The Power of Challenging Brain Cells to Enhance Resilience and Stimulate Repair
1:31:06
1:31:06
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The usual approach for developing treatments for brain disorders is to make a drug that acts on a specific molecular target. But this approach has largely failed. In this episode I talk with Professor Raj Ratan at Weill Cornell Medicine about ways to tap the intrinsic ability of brain cells to respond adaptively to challenges – metabolic, oxidative…
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Richie Davidson: The Science of Mindfulness Meditation and the Four Pillars of Human Flourishing
51:38
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Anxiety, attention-deficit disorder, depression and loneliness have increased dramatically recently as a result, at least in part, of information overload and a relative lack of time for ‘slow thinking’ and self-reflection. In this episode I talk with University of Wisconsin Professor Richard (Richie) Davidson about his research on mindfulness medi…
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Pamela Maher: Discovering Phytochemicals That May Protect the Brain Against Aging and Disease
1:06:48
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Many of the drugs that are used recreationally or prescribed by physicians were originally isolated from plants. Increasing evidence suggest that in many instances the function of such phytochemicals is to communicate with insects and other organisms in ways that enhance the fitness of the plants. Pamela Maher at the Salk Institute has been working…
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Sandrine Thuret: How Diet and Factors in Blood Affect Neurogenesis and Cognition
1:12:13
1:12:13
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In this episode I talk with Professor Sandrine Thuret at Kings College London about her research on how different molecules in the diet affect neuroplasticity in general and hippocampal neurogenesis in particular. She has shown in preclinical studies that certain dietary factor including omega-3 fatty acids can counteract the adverse effects of chr…
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John Cryan: Gut Microbiome – Brain Communication in Health and Disease
1:00:42
1:00:42
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Bacteria in the gut play essential roles in the metabolism of dietary nutrients. But a recent explosion of research has revealed influences of microbes in the gut on brain function in health and in anxiety disorders, depression, and possibly Alzheimer’s and Parkinson’s diseases. Professor John Cryan at University College in Cork Ireland is at the f…
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David Nutt: The Drug Science – Drug Regulation Disconnect and Its Impact on Individuals and Society
1:12:50
1:12:50
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David Nutt has made major contributions to understanding mechanisms by which psychoactive drugs affect the brain and has conducted numerous clinical trials of a wide range of drugs in patients with various mental disorders. He has also been an outspoken critic of the disconnect between drug science and government drug policies. For example, alcohol…
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Yaakov Stern: Cognitive Reserve and Individual Differences in Brain Aging and Alzheimer’s Risk
1:07:32
1:07:32
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Some elderly individuals remain cognitively ‘sharp as a tack’ despite the accumulation of large amounts of amyloid in their brains, whereas others exhibit profound cognitive impairment with less amyloid pathology. In this episode Columbia University Professor Yaakov Stern talks about the concepts of ‘cognitive reserve’ and ‘brain maintenance’ and h…
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Anna Borghi: Embodied Cognition, Inner Speech, Language, and Abstract Concepts
1:00:02
1:00:02
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What are the foundational principles by which acquired information is organized and processed in the human brain? In this episode University of Rome Professor Anna Borghi talks about several prominent working theories of cognition including embodied cognition (interactions with objects and other people), inner speech, and abstract concepts. She tal…
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David Menon: Reducing the Burden of Traumatic Brain Injuries by Improving Recovery
1:01:43
1:01:43
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Traumatic brain injuries (TBI) are a major cause of long-term disability and burden on families and health care systems. University of Cambridge Professor David Menon is a leader in global efforts to better understand and treat TBI. In this episode Dr. Menon talks about what happens to neurons, glial cells, and blood vessels in the brain after a TB…
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Martin Picard: Mitochondrial Psychobiology, Neuroplasticity, Stress, and Brain Health
50:49
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Mitochondria are best known as the powerplants within cells. But recent research is revealing that mitochondria play fundamental roles in regulating the structure and function of neuronal networks and the behaviors that those networks control. Martin Picard directs the Mitochondrial Psychobiology Group at Columbia University. In this episode I talk…
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Charles Nemeroff: Understanding, Preventing, and Treating Depression in the Digital Age
53:29
53:29
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Approximately 20 percent of people in the USA will experience clinical depression during their lifetime and there has been a recent surge in depression and suicide among teenagers and young adults. The early life environment plays a major role in one’s vulnerability to depression with childhood maltreatment greatly increasing the risk. Recent resea…
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Long-Jun Wu: Microglia and Their Roles in Neuroplasticity, Chronic Pain, Brain Injury, and Disease
1:08:08
1:08:08
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Historically, microglia were viewed only as the brain’s immune cells that respond to brain injury or infections. While this is true, recent research has shown that microglia play important roles in responding to and regulating neuronal network activity, and adaptations of the brain to physiological challenges such as exercise and intellectual chall…
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Alvaro Pascual-Leone: Transcranial Magnetic Stimulation for Brain Disorders in the Digital Age
51:27
51:27
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Transcranial magnetic stimulation (TMS) is a non-invasive technology that enables stimulation (or inhibition) of specified neuronal networks in the brain. In this episode Alvaro Pascual-Leone, a Professor in Neurology at Harvard Medical School, talks about the principle and practice of TMS and its use for the treatment of a range of brain disorders…
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Dena Dubal: Longevity Factor Klotho, Cognition, Brain Aging, and Alzheimer’s Disease
1:03:14
1:03:14
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In 1997 Makoto Kuro-o and his colleagues reported that they had accidentally discovered a gene that encodes a protein that slows aging and extends the lifespan of mice. They named the protein ‘Klotho’ after the Greek goddess that ‘spins the thread of life’. During the past decade University of California San Francisco professor Dena Dubal has shown…
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Marija Kundakovic: Epigenetics, Brain Sex Differences, Environmental Factors, and Mental Health
1:21:04
1:21:04
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The brains of males and females are different and it is important to understand how these differences give rise to different behavioral traits of men an women. These sex differences arise during brain development, manifest throughout life and are controlled in part by estrogen and testosterone. The brains of females and males, and their differentia…
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Eduard Vieta: Bipolar Disorder: Genes, Environment, and Lithium
57:37
57:37
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Bipolar disorder is a mental illness that causes often dramatic shifts in a person’s energy and activity levels, and concentration. It affects approximately 1 in every 50 people worldwide and 6 million Americans. Many people with bipolar disorder exhibit remarkable creativity and productivity. This relationship between creativity and mania was note…
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Tanya Paull: ‘AT’: How Studies of a Rare Genetic Disorder Advanced Neuroscience and Cancer Research
1:10:10
1:10:10
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Ataxia Telangiectasia (AT) is a rare inherited disorder in which young children develop severe ataxia (inability to control body movements) as a result of degenration of ‘Purkinje neurons’ in the cerebellum. AT children are highly prone to cancers and usually die before the age of 20. In this episode Professor Tanya Paull talks about research that …
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Bandy Lee: Case Study USA: A Combustible Mixture of Psychopathic Behavior, Power, Divisiveness, and Violence
1:17:20
1:17:20
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In this episode I talk with Dr. Bondy Lee, a psychiatrist who has devoted her life to advancing an understanding the causes of violence and developing ways to reduce violence. As a psychiatrist she is particularly interested in the behavioral features of people who are a danger to society, particularly those with psychopathic traits and behaviors s…
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Thomas Sudhof: Molecular Codes for Synapse Formation and Specificity
55:36
55:36
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55:36
In this episode I talk with Stanford Professor and Nobel laureate Thomas Sudhof about his work that has advanced an understanding of the molecular machinery for neurotransmitter release, a remarkable process that is compex, occurs rapidly (milliseconds) and is highly localized (1 micrometer or less). We then talk about the even more difficult probl…
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Christiane Wrann: How Exercise Enhances Brain Neuroplasticity and Resilience
1:04:31
1:04:31
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Regular exercise improves mood, reduces anxiety, enhances cognition, and protects the brain against depression, Alzheimer’s disease and stroke. In this episode Harvard neuroscientist Christiane Wrann and I talk about recent research that has elucidated how exercise affects the structure, functionality, and resilience of the brain. The mechanisms in…
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William Seeley: Frontotemporal Dementias and Selective Neuronal Vulnerability
1:06:24
1:06:24
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Frontotemporal dementia (FTD) is the most common form of dementia for people under the age of 65. As its name implies FTD involves degeneration of neurons in the frontal and parietal lobes and depending upon which neurons degenerate symptoms may mainly involve changes in personality and social behavior, speech and language (aphasia), or difficulty …
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Russell van Gelder: Emerging Technologies for Vision Restoration
1:00:49
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Age-related macular degeneration, glaucoma, diabetic retinopathy, and genetic disorders such as retinitis pigmentosa are major causes of blindness. In this episode Professor Russ van Gelder at the University of Washington talks about exciting advances in vision restoration using retinal cell replacement, gene therapy, visual prosthetic devices, and…
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Sergiu Pasca – Human Neuroassembloids: Building Brains in the Laboratory
54:32
54:32
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The molecular and cellular mechanisms by which the human brain develops cannot be directly studied. Stanford professor Sergiu Pasca is at the forefront of using induced human pluripotent stem cells to establish 3D cultures of individual brain regions (organoids) and multiple interacting brain regions (assembloids). His work has shown that functiona…
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Mayowa Owolabi: Strategies for Reducing Global Burden of Stroke and Other Neurological Disorders
1:14:46
1:14:46
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Stroke is the leading neurological cause of disability and death throughout the world and is increasing on the African continent where rates of hypertension are high and Westernized dietary habits are on the rise. At the forefront of the global battle against stroke and other age-related neurological disorders is Mayowa Owolabi, Dean of the Faculty…
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George Perry: Oxidative Stress and Synaptic Dysfunction in Alzheimer’s Disease
1:28:46
1:28:46
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Because neurons are very active cells they consume high amounts of oxygen and produce high amounts of oxygen free radicals (oxyradicals). Because most neurons in the brain exist throughout life and cannot be replaced it is critical that they be able to efficiently remove oxyradicals and repair damage caused to DNA, proteins and membranes caused by …
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Li-Huei Tsai: Gamma Frequency Light and Sound Stimulation for Alzheimer’s Disease
1:08:16
1:08:16
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There is currently no effective treatment for Alzheimer’s disease. EEG recordings have shown that gamma frequency electrical oscillations are diminished and aberrant excitatory glutamatergic neurotransmission is increased in the brain’s of people with Alzheimer’s disease. In this episode MIT Professor Li-Huei Tsai talks about her discovery that gam…
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Vilhelm (Will) Bohr: DNA Damage and Repair, Brain Aging, and Alzheimer’s Disease
1:17:17
1:17:17
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DNA damage, most often caused by oxygen free radicals, can result in mutations in proliferative cells that transform them into cancer cells. Impaired DNA repair is implicated in aging and neurodegenerative disorders. In this episode Professor Will Bohr talks about his research on the molecular mechanisms by which cells repair their nuclear and mito…
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Gabriele Saretzki: Beyond Telomeres: Telomerase in Neuroplasticity and Neurodegenerative Disorders
1:05:58
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The ends of chromosomes are called telomeres. In dividing cells a reverse transcriptase called telomerase adds a six-base DNA repeat to the telomeres thereby preventing their shortening. Telomere shortening occurs in proliferative tissues during aging and has been associated with a range of diseases. This led to the dogma that the only function of …
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Gyorgy Buzsaki: Brain Rhythms, Neural Syntax, and the Emergence of Cognition from Action
1:17:47
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NYU professor Gyorgy Buzsaki has made seminal contributions to understanding how neuronal networks in the brain encode and processes information. He established the synaptic basis of the brain’s theta and gamma rhythms, and sharp waves. Based upon extensive amounts of data generated from multielectrode recordings he developed a two-stage model of m…
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Thiruma Arumugam: Intermittent Fasting, Neuroplasticity and Neuroprotection
1:26:12
1:26:12
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In this episode I talk with professor Thiruma Arumugam of Latrobe University about research on the effects of intermittent fasting on brain health and vulnerability to disorders such as stroke, Alzheimer’s and Parkinson’s diseases. This research was prompted by evidence that daily caloric restriction with time-restricted feeding, and every other da…
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David Rubinsztein: Autophagy 2.0: An Anecdote for Poisonous Proteins in Neurodegenerative Disorders
1:10:10
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Accumulation of toxic proteins in neurons that wither and die is a fundamental problem in neurodegenerative disorders - Alzheimer’s disease, Parkinson’s disease, Frontotemporal dementia, ALS, and Huntington’s disease. In this episode Professor David Rubinsztein at the University of Cambridge talks about how impaired autophagy results in the accumul…
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Stephen Morse: ‘NeuroLaw’ - Neuroscience and Criminal Law
1:05:39
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The facts that all human behaviors are controlled by the brain and that all crimes involve behaviors beg the question of if and how advances in neuroscience might improve the criminal justice system. Professor Stephen Morse at the University of Pennsylvania Law School and Center for Neuroscience and Society on problems of individual responsibility …
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David Rubinsztein: Autophagy 1 – How Cells Dispose of Molecular Trash
56:32
56:32
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Even as the carry out their usual functions molecular components of cells are damaged by oxygen free radicals and other processes. Cells remove such cellular trash by moving it into ‘acid baths’ called lysosomes in a process called autophagy. Research during the past 30 years has revealed the molecular mechanisms of autophagy and have provided evid…
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Edward Calabrese: The Hormesis Revolution in Biology, Neuroscience, and Medicine
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Professor Ed Calabrese has spent much of his life pouring over tens of thousands of dose – response data from studies in fields ranging from toxicology and radiation biology to cancer, neuroscience, and aging. His work has firmly established the hormesis principle as foundational for evolution and health. In the fields of biology and medicine horme…
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Rich Ivry: The Cerebellum’s Roles in Timing, Error Correction, and Cognition
1:05:06
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Inconspicuously tucked under the cerebral cortex at the back of the brain the cerebellum was long believed to only function as a controller of smooth and accurate body movements. During the past 40 years professor Rich Ivry at the University of California Berkeley has made major contributions to research that has revealed a much more complex repert…
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Dirk de Ridder: Brain and Spinal Cord Stimulation Therapies for Chronic Pain, Tinnitus, etc.
1:12:54
1:12:54
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Chronic pain affects more than 20 percent of people and is the leading cause of disability and loss of productivity. Recent development in technologies and protocols for electrical non-invasive or invasive stimulation or inhibition of specific pathways in the brain or spinal cord are being developed. At the forefront of this area of neurology is Di…
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Tamas Horvath: Hunger, Energy Metabolism, Mitochondria, and Anorexia
1:09:58
1:09:58
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The discomforting feeling of hunger evolved to motivate searching for food and is therefore critical for survival. However, for modern-day humans living in environments where food is continuously available excessive hunger can result in obesity. In this episode Yale University professor Tamas Horvath talks about ‘hunger neurons’ in the hypothalamus…
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Wolf Singer: Solving the Hard Problem of Consciousness
1:05:42
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In this episode of Brain Ponderings I talk with the German neuroscientist Wolf Singer about the hard problem of consciousness and how it might be solved. Wolf is a Professor at the Max Planck Institute of Brain Research and the Institute for Advanced Studies in Frankfurt Germany. Perhaps more than anyone else in the world Wolf has elucidated how ne…
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Alex Verkhratsky - GLIA: Facilitators and Guardians of the Brain
1:28:31
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The human brain is often depicted as billions of nerve cells connected to each other in circuits through which electrical impulses flow. But this vision of the brain ignores the fact that in addition to nerve cells the brain also houses as many or more other cells called glia which surround and are intimately associated with the nerve cells. There …
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Mark Tuszynski – Regenerative Medicine Therapies for Spinal Cord Injury and Alzheimer’s Disease
1:11:36
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In this episode I talk with University of California San Diego neurologist and neuroscientist Mark Tuszynski about his bench to bedside research program that is aimed at reversing the neurological deficits in patients with spinal cord injury and Alzheimer’s disease. He and his co-workers have cleared major technological hurdles and have demonstrate…
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Alan Evans: Human Brain Mapping, AI, and the Promise of Big Data
1:04:27
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Professor Alan Evans at McGill University in Montreal is a leader in the global effort to use computing power and artificial intelligence to analyze and interpret the massive amounts of brain structural and functional imaging, clinical, behavioral, and molecular data amassed by neuroscientists, radiologists, and neurologists. The creation of intern…
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