« previous next »

Author Question: Structural brain changes have been linked to executive function. For example, age-related declines ... (Read 11 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
on: Aug 23, 2018
Structural brain changes have been linked to executive function. For example, age-related declines in may affect white matter structures, which underlie all the areas important to executive functioning.
 
  a. serotonin
  b. the functioning of blood vessels
  c. cognitive abilities
  d. unilateralization

Question 2

Older adults sometimes show reduced activation of appropriate prefrontal regions. At other times, they show the same or greater recruitment of these areas, when compared with younger adults, depending on the task they are doing.
 
  This indicates that prefrontal recruitment is
  a. unpredictable.
  b. impossible to measure.
  c. predictable in younger adults but unpredictable in older adults.
  d. context dependent.


nekcihc358

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Aug 23, 2018
Answer to Question 1

ANSWER: b

Answer to Question 2

ANSWER: d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

The brain. (a) Superior (top) view. (b) Sagittal view of a sectioned brain to reveal internal featur The brain. (a) Superior (top) view. (b) Sagittal view of a sectioned brain to reveal internal featur
Logic of the 10% brain myth Logic of the 10% brain myth
How to find an angle in radians for any given trigonometric function How to find an angle in radians for any given trigonometric function
How to use L’Hospital’s Rule to find the limit of a function (Part 3) How to use L’Hospital’s Rule to find the limit of a function (Part 3)
In Canada, disease-related deaths become increasingly common during middle adulthood In Canada, disease-related deaths become increasingly common during middle adulthood
Video: Oxygen transport - methods and oxyhemoglobin

For a complete list of videos, visit our video library