. Sensation refers to an actual event; perception refers to how we interpret the event. What are some cultural differences that might affect responses to particular stimuli, particularly in taste and pain?  

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1. Sensation refers to an actual event; perception refers to how we interpret the event. What are some cultural differences that might affect responses to particular stimuli, particularly in taste and pain?

2. Most of us feel like we never get enough sleep. What are the stages of sleep and what is the importance of sleep? What are some common sleep disorders and treatments?