Alicia is fascinated to learn about the Native American practice of vision quests in her Native American Cultures class. She learns that to initiate an altered state of consciousness, Native Americans would engage in ____.
a. starvation and sleep extension
b. twirling and sleep extension
c. starvation and sleep loss
d. twirling and sleep loss
Question 2
What is the evidence that meditation may slow some aspects of aging?
a. It negatively correlates with rates of arthritis in older individuals.
b. It negatively correlates with cholesterol levels in older individuals.
c. It positively correlates with antioxidant levels in the brains of older individuals.
d. It positively correlates with increased cortical thickness in older individuals.
American Mastiff
American red squirrel
Visual Acuity Testing, Snellen Vision Chart
American Foreign Trade, 1790–1812
American Cockroaches and Jewel Wasps
North American temperate deciduous forest. Forest soil profile at right.