Neuroscientists Conducting Research on What Happens in the Brain

question 315

Multiple Choice

Neuroscientists conducting research on what happens in the brain during REM and NREM sleep are likely to find that levels of certain neurotransmitters surge while other neurotransmitters recede. According to Focus on Neuroscience: The Dreaming Brain, which of the following happens during REM sleep?

• A)When the activity of REM-on neurons and acetylcholine levels reach a certain threshold, the characteristic signs of REM sleep emerge.
• B)When acetylcholine and REM activity peaks, REM-off neuronal activity picks up, increasing serotonin and norepinephrine levels.
• C)When REM-off neuronal activity and levels of serotonin and norepinephrine increase to a certain threshold, REM sleep is suppressed and the characteristic features of slow-wave NREM sleep emerge.
• D)All of these happen during REM sleep

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Definitions:

LRMC

Long-Run Marginal Cost, which is the increase in cost a company faces to produce one additional unit of output when all factors of production are variable.

Infer High Quality

Deduce or conclude (information) to be of superior standards or excellent nature.

Promotional Campaigns

Marketing efforts aimed at increasing awareness or sales of a product or service through specific strategies and messaging.

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Something obtained, typically by a company purchasing another company or business.