Introduction to the Brain

Question 1

astrocytes

Answer 1

• provide structural and metabolic support to neurons

- bridge between endothelium and neurons (BBB)

Question 2

oligodendrocytes

Answer 2

myelination of axons

-can myelinate multiple axons

Question 3

microglia

Answer 3

CNS immune system

Question 4

ependymal cells

Answer 4

line the ventricles

Question 5

schwann cells

Answer 5

PNS glial cell

• myelination
• repair

Question 6

cerebral lobes/cerebellum and general function

Answer 6

frontal - motor
parietal - sensory
temporal - auditory, speech
occipital - vision
limbic - emotion, autonomics, memory
insula - addiction, taste, emotion
cerebellum - movement, motor learning, proprioception, muscle tone

Question 7

broca’s area

Answer 7

controls motor speech

-located anterior to lateral fissure

Question 8

wernicke’s area

Answer 8

controls reception of speech (processing)

-located dorsal/posterior to lateral fissure

Question 9

basal ganglia

Answer 9

surrounding thalamus
- controls planning and initiation of movement
damage => huntingtons, parkinsons