Exploring Consciousness, Sleep, and Dreams
Learning Objective
I can define consciousness and describe its different levels, including sleep and dreaming.
Key Concepts
Sleep is a periodic, natural, reversible, and near total loss of consciousness.
During sleep, the pituitary gland releases growth hormones, which is why babies sleep so much.
The four stages of sleep are NREM-1, NREM-2, NREM-3, and REM sleep, which stands for rapid eye movement.
Practice Questions
This lesson includes 3 practice questions to reinforce learning.
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1. Describe the key differences between NREM sleep and REM sleep, focusing on brain activity and muscle movement.
2. Which of the following is NOT a proposed theory for the purpose of dreaming?
3. Explain how sleep deprivation can affect both physical and mental health, according to the video.
Educational Video
To Sleep, Perchance to Dream: Crash Course Psychology #9
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