quiz 2

Question 1

what are some changes in the brain itself (not functioning) as we age?

Answer 1

decresed size
decreased white matter
decresased cerebral blood flow

Question 2

compare and contrast explicit and implicit memory and give examples of each

Answer 2

explicit memory: requires effort to recall information
*studying for test
implicit memory: unconscious and difficult for an individual to verbalize
*brushing teeth, driving

Question 3

what three changes in memory functioning as we age?

Answer 3

working memory decline
episodic memory decline
sensory memory decline

Question 4

what is working memory, and how is it different from procedural memory

Answer 4

WM is actively thinking about the information to complete a task
PM is knowing how to do something

Question 5

components of brain blood

Answer 5

oxygen-rich
glucose
electrolytes

Question 6

how is the brain connected with your muscles? (list at least 5 steps)

Answer 6

1. your brain sends signals to the muscles for them to function
2. those signals travel through the spinal cord (motor neurons)
3. signal reaches the motor neurons
4. when the signal reaches the muscle there is a synapse
5. muscle contraction happens (muscle moves)

Question 7

list 3 arteries

Answer 7

anterior, middle, posterior cerebral arteries

Question 8

role of arteries

Answer 8

supply oxygenated blood to the brain
drain waste
circle of willis within