Researchers at State University's Sleep Research Lab Deprived Some Volunteers

question 351

Multiple Choice

Researchers at State University's sleep research lab deprived some volunteers of sleep for 35 hours while others slept normally. This was followed by fMRI scans of participants' brains while they observed a series of images (pleasant, disturbing, and neutral) . If the results are similar to those reported in Focus on Neuroscience: The Sleep-Deprived Emotional Brain, the researchers are likely to find that:

• A) there will be no difference in brain activity between the groups, regardless of the type of image each group saw.
• B) the sleep-deprived brain is much more prone to strong emotional reactions, especially in response to negative stimuli.
• C) compared to the adequately rested participants, the sleep-deprived participants will have reduced activity in a brain area called the amygdala.
• D) compared to the adequately rested participants, the sleep-deprived participants will have reduced activity in a brain area called the amygdala, but only in response to aversive stimuli.

---

Definitions:

Spiders

Arachnids characterized by eight legs, a chelicerae with fangs that inject venom, and the ability to spin webs.

Intrinsic Motive

A form of motivation driven by internal rewards, such as personal satisfaction, curiosity, or enjoyment, rather than external factors.

Biological Motive

An innate drive stemming from biological needs that motivates behavior, such as hunger, thirst, or the drive for sleep.

Homeostasis

is the process by which living organisms regulate their internal environment to maintain stable, optimal conditions despite external changes.