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Consciousness

Explore the fascinating topic of consciousness, addressing fundamental questions about its nature, where it occurs, and how it emerges. Delve into historical perspectives from thinkers like Descartes and modern theories such as Damasio's concepts of the self and the role of the thalamus. Understand the Global Workspace Theory and how consciousness serves to integrate and coordinate information across different regions of the brain, facilitating decision-making. Lastly, consider the evolutionary psychology perspective on the function and development of consciousness.

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Consciousness

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Presentation Transcript

  1. Consciousness • What is consciousness? • Where does consciousness happen? • How does consciousness happen?

  2. What is Consciousness? • Awareness of the environment • Awareness of internal mental events/states

  3. Where Does Consciousness Happen? • Descartes (1600’s): the body and soul interact through the pineal gland • Damasio (1999): consciousness is the self in the act of knowing - the thalamus helps to relate signals across brain areas (early sensory and higher-order cortices)

  4. Global Workspace Theory(Baars, 1996) • Consciousness works by “broadcasting” information across brain areas • Make information simultaneously available to many areas so that the correct decisions can be made to coordinate thinking

  5. Global Workspace Theory • Expert Processors are specialized, unconscious processors • Contexts are groups of expert processors that work together; guide and constrain global messages but are not conscious • Global Workspace is the ability to broadcast the information to the entire system

  6. Evolutionary Psychology • What is the function of consciousness? • How could consciousness have evolved?

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