« previous next »

Author Question: Which of the following statements is a possible explanation for greater brain activity in older ... (Read 49 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
on: Jun 22, 2018
Which of the following statements is a possible explanation for greater brain activity in older adults?
 
  Older adults compensate for losses by using more parts of their brains.
  Older adults have increased brain reserves.
  Older adults use only one hemisphere of the brain.
  The processing speed of older adults increases.

Question 2

On the Raven's Progressive Matrices test, older adults who were able to talk as they were being tested gained
 
  2 standard deviations.
  3 standard deviations.
  1 standard deviation.
  no deviations.


ebe

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jun 22, 2018
Answer to Question 1

Older adults compensate for losses by using more parts of their brains.

Answer to Question 2

1 standard deviation.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

joblessjake

  • Hero Member
  • *****
  • Posts: 555
Reply #2 on: Jun 22, 2018
Thank you


ebe

  • Sr. Member
  • ****
  • Posts: 320
Reply #3 on: Jun 22, 2018
No problem :)


« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

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

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Perception Activity Perception Activity
This graph illustrates how unattached older adults are poorer than their peers who live in families This graph illustrates how unattached older adults are poorer than their peers who live in families
Axial C T of the Brain Axial C T of the Brain
How skeletal muscle activity encourages blood flow through veins How skeletal muscle activity encourages blood flow through veins
Number of cells in the brain Number of cells in the brain
An older woman with wrinkled skin, gray hair, and darker teeth, smokes a cigarette. An older woman with wrinkled skin, gray hair, and darker teeth, smokes a cigarette.
Video: Bacteriophage (Virus) - Mice Experiment

For a complete list of videos, visit our video library