lecture 4 - macrostructure

Question 1

sympathetic vs parasympathetic

Answer 1

arousal (state of fear) vs state of relaxation

Question 2

three layers of tissue - outer to inner

Answer 2

dura mater, arachnoid mater, pia mater

Question 3

what is the MNI space

Answer 3

Montreal Neurological Institute (MNI) space - coordinate system for the brain

Question 4

radiological convention

Answer 4

left = patient’s right
right = patient’s left
counterintuitive

Question 5

neurological convention

Answer 5

left = patient’s left
right = patient’s right

Question 6

dorsal vs ventral roots

Answer 6

afferent (sensory to brain) vs efferent (brain to muscles)

Question 7

3 parts of the hindbrain

Answer 7

medulla, pons, cerebellum

Question 8

2 parts of midbrain

Answer 8

superior colliculi & inferior colliculi

Question 9

two structures of diencephalon

Answer 9

hypothalamus and thalamus

Question 10

hypothalamus

Answer 10

controls ANS, hormine regulation

Question 11

thalamus structures

Answer 11

• lateral geniculate nucleus - vision
• medial geniculate nucleus - audition
• ventral posterolateral nucleus - touch
• ventral posteromedial nucleus - taste

Question 12

telencephalon structure

Answer 12

basal ganglia - connects to motor regions
subcortical nuclei

Question 13

unimodal areas

Answer 13

parts of cortex where neurons only respond to one type of sensory info

Question 14

multimodal regions

Answer 14

parts of cortex where neurons respond to multiple types of sensory info

Question 15

contralateral homotopic

Answer 15

cortical axons that target anatomically similar regions in other hemisphere - same Brodmann regions

Question 16

contralateral heterotropic

Answer 16

cortical axons that target different region in different hemisphere - different Brodmann regions

Question 17

ipsalateral

Answer 17

cortical axons that target anatomically different regions in same hemisphere - different Brodmann areas