Chapter 6 Text Notes

Chapter 6 Text Notes - Chapter 6: Consciousness Important...

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1 Chapter 6: Consciousness Chapter 6 examines the nature of consciousness. What does it mean to say that an individual is “conscious”? There is a certain awareness of self that is implied, but is that all? It is perhaps easier to define mental states of altered consciousness and we’ll spend a lot of time on those topics in this chapter. NOTE: there are a lot of details (e.g., drug names) in this chapter. Do not try to memorize all of the names. They are really not that important. Look at the bigger picture and focus on the general idea. 1. Circadian Rhythms There are many systematic changes that our bodies go through on a daily basis such as hormonal levels, temperature levels, amount of neurotransmitters, etc. These fluctuations are known as circadian rhythms —changes that follow a daily cycle. The whole process seems to be regulated by a brain area called the suprachaismatic nucleus , and the main hormone appears to be melatonin . Note the distinction between phase advances
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Chapter 6 Text Notes - Chapter 6: Consciousness Important...

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