Lectures

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  1. The Question of Mind

  In our introductory lecture, we begin our exploration of the philosophy of mind by examining how conscious experience emerges from the physical world. We trace this question from ancient Greek thinkers like Socrates and Plato to modern debates about artificial intelligence, showing how views of the mind-body problem have evolved. Dr. Orr highlights how scientific materialism reshaped ideas about mind and soul, while raising ongoing challenges about consciousness, free will, and personal meaning.
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  2. Mind Before Modernity

  In lecture two, we trace the evolution of ideas about the mind from Aristotle through the medieval period to the scientific revolution. We explore Aristotle’s rejection of Platonic dualism in favor of hylomorphism and his three-layered soul, and how Augustine and Aquinas integrated these Greek ideas with Christian theology. Dr. Orr concludes by showing how the scientific revolution’s focus on a purely physical and mathematical view of reality created the modern mind-body problem, setting the stage for Descartes’ revolutionary approach to consciousness and subjectivity.
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  3. Mind as Mechanism

  In lecture three, Dr. Orr examines the early modern period from 1600 to 1800 and its shift to a mechanical, anthropocentric worldview, where reality is seen as matter in motion governed by mathematical laws. We focus on Descartes’ substance dualism, which separates mind and body, and the resulting mind-body problem. The lecture traces philosophical responses, from Malebranche’s occasionalism and Leibniz’s pre-established harmony to Berkeley’s idealism and Kant’s transcendental approach, culminating in Hegel’s dialectical vision of mind and world developing through history.
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  4. Mind Meets Science

  In lecture four, we study 20th-century philosophy of mind, beginning with Moore and Russell’s rejection of absolute idealism, which reshaped the modern mind-body problem. We examine major attempts to reduce or eliminate the concept of mind, including behaviorism, identity theory, and functionalism. The lecture elucidates how these approaches aimed to explain mental states through scientific methods. However, philosophical challenges—such as thought experiments and the enduring problem of subjective experience—continued to reveal the limits of explaining consciousness solely in terms of behavior or physical processes.
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  5. Reducing the Mind

  In lecture five, we consider three major 20th-century strategies in philosophy of mind that attempt to dissolve the mind-body problem by reducing mental states to physical phenomena: behaviorism, the mind-brain identity theory, and functionalism. We examine key objections to these physicalist approaches, which collectively challenge the notion that consciousness can be fully explained through physical processes alone. Dr. Orr concludes by discussing the recent revival of dualist thinking in philosophy of mind, suggesting that despite attempts to eliminate it, the subjective nature of consciousness continues to resist purely physicalist explanations.
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  6. Mind Beyond Matter

  In lecture six, we confront the persistent challenges of reducing mind to matter and why physicalist strategies have failed to achieve consensus. We explore alternative approaches, including mysterianism, panpsychism, and the revival of substance dualism through philosophers like Richard Swinburne. The lecture highlights the distinction between access consciousness and phenomenal consciousness, emphasizing that the “hard problem”—explaining why experiences feel like something—remains unresolved, and that personal explanations of mind can complement, rather than compete with, scientific accounts.
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  7. Mind Reconsidered

  In lecture seven, we investigate contemporary versions of dualism that challenge the 20th-century physicalist orthodoxy, which attempts to reduce mind to neurochemical processes. We examine Richard Swinburne's arguments about the indivisibility of consciousness and the unity of experience, Jonathan Lowe's distinction between mental and physical causation, and alternative approaches like hylomorphism and emergentism, that attempt to bridge the gap between mind and matter. Dr. Orr previews how these philosophical positions on mind-body relations will inform discussions of artificial intelligence, psychological well-being, human enhancement, and the meaning crisis in the final lecture.
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  8. Mind in Machine?

  In our eighth and final lecture, Dr. Orr explores how philosophy of mind applies to contemporary issues like artificial intelligence, mental health, and human enhancement technologies. We examine whether machines could achieve consciousness, considering Turing’s imitation game and Searle’s Chinese Room argument, which distinguishes symbol manipulation from genuine understanding. The lecture also considers how different views on the mind-body problem shape our approach to psychological suffering, personal identity, and the ethics of neurotechnology. Ultimately, Dr. Orr asks us to reflect not just on what technology can do, but what it should do, and what it means to be human in an age of unprecedented possibility.