One way in which exercise is believed to improve cognitive functioning is by increasing levels of ____________ in the brain
A) cortisol
B) brain-derived neurotrophic factor (BDNF)
C) glucocorticoids
D) flavonoids
Answer: B
Rationale: Levels of brain chemicals such as BDNF are boosted by exercise, which helps explain the changes in the brain that account for the cognitive benefits.
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Erica is accustomed to riding her own bicycle. She decides to ride her brother's bike, which is slightly larger. Piaget would call the changes Erica makes in order to ride her brother's bike
a. assimilation. b. accommodation. c. conservation. d. transformation.
Behaviors suggestive of an addiction to video game playing include
a. playing for twenty-four hours or more per week. b. using video game playing to escape problems. c. skipping chores and school work to play video games. d. all of these.
The movie image of the hypnotist is of a person with almost magic powers over the patient. According to Schultz, is this depiction accurate? Why or why not?
What will be an ideal response?
Which statistic allows us to predict an outcome in raw units within regression?
A. B(b) B. R C. r-squared D. Beta