Basal ganglia

Question 1

Function limbic system?

Answer 1

Meaning on external world
Important memory and emotion
Learning

Question 2

What connects limbic system?

Answer 2

Papez circuit

Question 3

State 3 structures in limbic system?

Answer 3

1) Cingulate gyrus
2) Uncus
3) Amygdala

Question 4

Answer 4

Question 5

Function uncus?

Answer 5

Olfaction, emotions, memory

Question 6

Label

Answer 6

Question 7

What lobe is parahippocampal hyrus part of?

Answer 7

Temporal lobe

Question 8

What is attached to fornix?

Answer 8

Column of fornix

Question 9

What does cingulum body contain?

Answer 9

Association fibres

Question 10

Function association fibres?

Answer 10

Connect diff area of cerebral cortex SAME hemisphere

Question 11

Answer 11

Question 12

What connects amygdala with hypothalamus?

Answer 12

Stria terminalis

Question 13

What connects hippocampus to fornix?

Answer 13

Fimbria

Question 14

Insula finction?

Answer 14

Risk-reward, pain

Question 15

Answer 15

Question 16

Coronal

Answer 16

Question 17

Internal capsule grey or white matter?

Answer 17

White matter

Question 18

Answer 18

Question 19

Answer 19

Question 20

Answer 20

Question 21

Name 2 basal ganglia movement disorders?

Answer 21

1) Parkinsons- lack dopamine
2) Huntingtons- high lvls

Question 22

What disease caused by lack dopamine
What disease caused high levels dopamine?

Answer 22

Parkinsons- lack
Huntingtons- excess

Question 23

What seperates thalamus and lentiform nucleus?

Answer 23

Internal capsule

Question 24

What structures in basal gangli?

Answer 24

Caudate nucleus
Putamen
Globus pallidus
Substatia nigra
Subthalamic nucleus

Question 25

Name 2 input nuclei? Name 3 intrinsic nuclei? Name 2 output nuclei?

Answer 25

Input- caudate nucleus and putamen Intrinsic- external globus pallidus, subthalamic, pars compact of substantia nigra Output- Internal globus pallidus, pars reticula of sub nigra

Question 26

What is globus pallidus divided into?

Answer 26

Internal and external

Question 27

What is substantia nigra divided into?

Answer 27

Pars compacta Pars reticularis

Question 28

Label red?

Answer 28

Caudate nucleus

Question 29

What seperates caudate nucleus and putamen?

Answer 29

Internal capsule

Question 30

Label?

Answer 30

Question 31

What structures from lentiform nucleus?

Answer 31

Globus pallidus Putamen

Question 32

Answer 32

Question 33

What structure contains melanin?

Answer 33

Substatia nigra

Question 34

Where is subthalamic nucleus located?

Answer 34

Below thalamus Above SNR

Question 35

Function basal gangli?

Answer 35

Refine movement Reduce excitatory- prevent excessive movements Emotional response

Question 36

What is main vasculature basal gangli?

Answer 36

Middle cerebral artery- continuation ICA

Question 37

What term do we use for the white matter that connects the cortex of the cerebral hemisphere to other structures?

Answer 37

Internal capsule

Question 38

How do fibres of the olfactory nerve enter the cranium?

Answer 38

Fibres of olfactory nerve enter anterior cranial fossa through the foramina of the cribriform plate of ethmoid bone

Question 39

What are the constituents that comprise the basal ganglia?

Answer 39

Consist of the caudate nucleus, putamen and globus pallidus, amygdala

Question 40

Which brain structures constitute the Papez circuit and what is the main function(s) of this system

Answer 40

hippocampus, fornix, mammillary bodies, cingulate gyrus, thalamus, cingulum and parahippocampal gyrus Memory, emotions

Question 41

Symptom parkinsons?

Answer 41

Slow movement Muscle stiff- bent posture Tremor