The Science of Everything Podcast James Fodor

An introduction to hormones and the endocrine system, including a discussion of the definition of hormones and their production, storage, release, and mechanisms of action. I also consider the mechanisms of control and regulation of hormone production, focusing on the role of the hippocampus and the pituitary gland. I conclude with an overview of major endocrine glands in the human body, including the gonads, adrenal glands, thyroid gland, and the thymus. Recommended pre-listening is Episode 38: Neurons and Synapses.
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A journey through the complex network of regions controlling the human motor system, beginning with the spinal cord and its central pattern generators, and working up through the primary motor cortex, the premotor cortex, the posterior parietal cortex, the cerebellum, and the basal ganglia. I discuss the computational roles of each part of the motor control hierarchy, focusing on what functions are performed and what information is represented in each unique brain region. Overall I emphasise the complex interaction between top-down and bottom-up feedback in controlling muscle movement and executing complex motor tasks. Recommended pre-listening is Episode 132: The Muscular System, and Episode 38: Neurons and Synapses.
 
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In this special episode I discuss various topics in evolution and genetics with Art Woods of the Big Biology Podcast. We begin by analysing various ideas associated with the extended evolutionary synthesis, including plasticity, epigentics, and niche construction, discussing the extent to which these ideas are a challenge or merely an addition to the mainstream understanding of evolution. We then consider several common misconceptions about genetics, including the idea of DNA as a blueprint and genetic essentialism. We conclude with a discussion of some politically contentious aspects of genetics.
 
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A journey through the mechanisms of muscles and muscular contraction. I begin by outlining the key structural elements of muscle cells, including the sarcolemma, sarcoplasmic reticulum, the myofibrils and their myofilaments. I then explain the sliding filament mechanism of muscle contraction, and how it is governed by neural signals through the release of calcium. I conclude with a brief overview of the types of muscle contractions, the difference between fast twitch and slow twitch muscle fibres, and a short discussion of some metabolic aspects of muscle function, including the role of creatine phosphate. Recommended pre-listening is Episode 26: Human Organ Systems.
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A special interview from the Padverb Podcast, in which I discuss my research on language in the brain and thoughts on AI. The discussion covers topics such as backpropagation, how humans acquire language and concepts, how artificial neural networks differ from biological neural networks, and some thoughts on the future impact of artificial intelligence. Near the end of the conversation, we also discuss some of my work on exploring the causes of economic growth and development.
Link to the Padverb Podcast: The Padverb Podcast with KMO on Apple Podcasts
If you enjoyed the podcast please consider supporting the show by making a PayPal donation or becoming a Patreon supporter.
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I discuss the mysterious phenomenon of sleep, outlining the different stages of sleep, how the brain controls sleep and wakefulness, and the various theories for the functions of sleep. I also consider sleep in animals, the effects of sleep deprivation, and some major sleep disorders. Recommended pre-listening is Episode 38: Neurons and Synapses.
 
If you enjoyed the podcast please consider supporting the show by making a PayPal donation or becoming a Patreon supporter.
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https://www.paypal.me/ScienceofEverything