Understanding Psychology (10th Ed)

1. Why might some people be extremely capable at recognizing faces?
2. Is having extremely sensitive perception always a good thing? What might be some 
drawbacks to being a super-recognizer?
3. Does the ability of super-recognizers seem to be a matter of sensation or of percep-
tion? Why do you think so?
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C H A P T E R 5 
States of Consciousness

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Key Concepts for Chapter 5
What are the diff erent states of 
consciousness?
● 
What happens when we 
sleep, and what are the meaning and 
function of dreams?
● 
What are the major 
sleep disorders, and how can they be treated?
●
How much do we daydream? 
What are the major classifi cations of drugs, 
and what are their eff ects?
M O D U L E 1 4 
M O D U L E 1 5 
M O D U L E 1 6
Sleep and Dreams
The Stages of Sleep
REM Sleep: The Paradox of Sleep
Applying Psychology in the 21st Century:
Let Me Sleep on It: The Role of Sleep 
in Memory and Thinking
Why Do We Sleep, and How 
Much Sleep Is Necessary?
Neuroscience in Your Life:
Why Are You 
Cranky? Your Brain Is Too Awake
The Function and Meaning of Dreaming
Sleep Disturbances: Slumbering Problems