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.
Ras signalling activity is governed by bound GDP/GTP
Australopithecus sediba shares small brain size with other members of Australopithecus but also has
Hormones acting through the brain help regulate metabolism and short- and long-term appetite.
The blood–brain barrier.
Amyloid plaques (stained blue) in the brain of a deceased patient who had Alzheimer’s disease.
Blood Flow to the Brain