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The official channel of the France 3 show. C'est pas sorcier, the magazine of discovery and science. The C'est pas sorcier team devotes two shows to this mysterious mechanism that is the brain. The brain is the seat of emotions, thought, language... It is also an extremely sophisticated control center that allows us to act and feel. This is the aspect that Fred, Jamy and Sabine explain to us in this first part. What do gray matter, the cortex, the hypothalamus, the cerebellum... correspond to? What is a neuron? Why do neurons establish billions of connections between them? How does information circulate in the brain? How does the brain keep itself informed of what is happening outside our body? Which areas of the cortex are specialists in smell, taste, sight, touch...? How does our brain orchestrate our movements?