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Neuro Test 2 > Lab Practical 2 > Flashcards

Lab Practical 2 Flashcards

1
Q

Identify?

Function?

A

Inferior colliculus

Auditory

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1
Q

Indentify

Function?

A

Inferior colliculus

Auditory

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2
Q

Identify?

Function?

A

Pineal body, part of epithalamus

Makes melatonin, sleep/wake cycle

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3
Q

Indentify

Function?

A

Superior colliculus

Vision

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4
Q

Indentify

Function?

A

Superior Colliculus

Vision

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5
Q

Identify?

Function?

A

Thalamus

Relay Station

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6
Q
A

Facial Colliculus

Formed by abducens nucleus and facial nerves

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7
Q

Left circle

A

Lateral geniculate nucleus

synapse point for optic nerve before moving to visual cortex; part of geniculate body
thalamic relay nucleus for visual pathway

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8
Q
A

Lateral geniculate nucleus

synapse point for optic nerve before moving to visual cortex; part of geniculate body
thalamic relay nucleus for visual pathway

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9
Q
A

Lateral geniculate nucleus

synapse point for optic nerve before moving to visual cortex; part of geniculate body
thalamic relay nucleus for visual pathway

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10
Q
A

medial geniculate nucleus

fxn: receives auditory info from inferior colliculi
sends info to auditory cortex

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11
Q

Right circle

A

medial geniculate nucleus

fxn: receives auditory info from inferior colliculi
sends info to auditory cortex

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12
Q
A

cerebral peduncle

houses: superior and inferior colliculus

located: anterior midbrain, connects brainstem to thalamus

fxn: refine motor movement, learn new motor skills, convert proprioceptive info to balance and posture maintenance

blood: PCA

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13
Q
A

Cerebral Peduncle

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14
Q

A

A

superior cerebellar peduncle

Connects cerebellum to midbrain
mostly EFFERENT

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15
Q

B

A

middle cerebellar peduncle

-connects cerebellum to PONS

ONLY AFFERENT

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16
Q

C

A

inferior cerebellar peduncle

connects cerebellum to MEDULLA

afferent and efferent

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17
Q
A

midbrain

3 parts: colliculi, tegmentum, cerebral peduncles

Contains which structures: Substantia nigra

Blood: PCA

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18
Q
A

periaqueductal gray matter

located: brainstem, between forebrain and lower brainstem, surrounds cerebral aqueduct

fxn: integrates responses to stressors, receives slow nociceptive info, PAIN INHIBITION

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19
Q
A

inferior colliculi (nucleus commissure)

commissure: thin, white matter with myelinated axons

fxn: transmit auditory info, AFFERENT

CN: 4 here

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20
Q
A

Superior colliculus

fxn:, process visual info

CN: 3 here

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21
Q
A

substantia nigra

located: midbrain

fxn: produces DOPAMINE (motor, cognition, behavior)

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22
Q
A

substantia nigra
​
located: midbrain
​
fxn: produces DOPAMINE (motor, cognition, behavior)

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23
Q
A

red nucleus

fxn: coordination of sensorimotor info + rubrospinal tract

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24
red nucleus fxn: coordination of sensorimotor info + rubrospinal tract
25
red nucleus fxn: coordination of sensorimotor info + rubrospinal tract
26
What is the blue structure and what is it's function?
Reticular formation what: neural network that integrates sensory and cortical info up and down in brainstem fxn: modulate pain, consciousness, sleep-wake damage: disorder of consciousness
27
Diencephalon contains: thalamus, hypothalamus, epithalamus, subthalamus
28
Thalamus -large collection of nuclei in 2 egg shaped structures location: BELOW lateral ventricle, surrounds 3rd ventricle fxn: RELAY sensory, motor, brainstem info; perception, memory, alert/attn, consciousness, cognition
29
Thalamus -large collection of nuclei in 2 egg shaped structures location: BELOW lateral ventricle, surrounds 3rd ventricle fxn: RELAY sensory, motor, brainstem info; perception, memory, alert/attn, consciousness, cognition
30
Hypothalamus fxn: HEAL - homeostasis, endocrine, autonomic, limbic important structures: mammillary bodies, pituitary gland
31
Hypothalamus fxn: HEAL - homeostasis, endocrine, autonomic, limbic important structures: mammillary bodies, pituitary gland
32
amygdala limbic system fxn: emotions, motivation output: sends info to hypothalamus via stria terminalis and amygdofugal pathways
33
fornix fxn: declarative memory role in limbic pathway: hippocampus >> fornix >> mamillary bodies >> mammillothalamic tract >> thalamus >> cingulate gyrys
34
infundibulum (aka pituitary stalk) of pituitary gland connects posterior pituitary to hypothalamus & allows hormones synthesized in hypothalamus to be send to posterior pituitary (releases neurohormones, anterior pituitary releases hormones into blood stream) axons travel from: hypothalamus>>infundibulum>>pituitary stalk>>posterior pituitary
35
cingulate gyrus location: ABOVE corpus collosum system: apart of limbic system (hippcampus)>>fornix>>mamm bodies>>mammillothalamic tract>>thalamus>>cingulate gyrus) fxn: regulate autonomic motor function
36
What is this highlighted line pointing to?
cingulate gyrus location: ABOVE corpus collosum system: apart of limbic system (hippcampus>>fornix>>mamm bodies>>mammillothalamic tract>>thalamus>>cingulate gyrus) fxn: regulate autonomic motor function
37
septum pellucidum separates anterior horns of R/L lateral ventricles runs from corpus callosum down fornix
38
Mammillary body -posterior hypothalamus process/recall MEMORY
39
Corpus callosum connects homologus areas of R and L hemispheres
40
Corpus callosum connects homologus areas of R and L hemispheres
41
anterior commissure crossing of the spinothalamic tract
42
anterior commissure of brain fxn: connects temporal lobes
43
Just review this pic, its pretty good.
44
putamen -location: Basal ganglia, part of STRIATUM (caudate + putamen) and LENTIFORM NUCLEUS (globus pallidus + putamen) -fxn: learning and motor control, inhibits GPi (DISinhibits thalamus), motor loops damage = HYPOkinesia (Parkinson's) Degeneration of striatum and cortex=hyperkinesia, in Huntington’s
45
putamen -location: Basal ganglia, part of STRIATUM (caudate + putamen) and LENTIFORM NUCLEUS (globus pallidus + putamen) -fxn: learning and motor control, inhibits GPi (DISinhibits thalamus), motor loops damage = HYPOkinesia (Parkinson's)
46
Globus Pallidus
47
Globus pallidus location: BG, part of LENTIFORM nuclues (putamen + globus pallidus) fxn: conscious and proprioceptive mvmt 2 parts: GPe and GPi
48
A
Fornix
49
B
Hypothalamus
50
C
Caudate nucleus
51
D
Internal Capsule
52
E
GPi
53
F
GPe
54
G
Putamen
55
I
subthalamic nucleus or mammillary body
56
Subthalamic nucleus location: above and lateral to SN below thalamus, latearl to hypothalamus fxn: mvmt regulation Pathways: Hyperdirect and No-Go
57
Caudate Nucleus -Location: next to lateral ventricle -Part of STRIATUM (putamen + caudate) Fxn: voluntary skeletal muscle movement Loops: oculomotor, goal directed, social behavior
58
Internal capsule
59
White matter of cerebellum?
Arbor Vitae
60
1
Anterior lobe of cerebellum
61
Anterior lobe of cerebellum
62
primary fissure of cerebellum separates anterior and posterior lobe
63
Posterior lobe of cerebellum
64
Cerebellum tonsil part of posterior lobe central herniation = pushes on tonsil and pusehs through foramen magnum
65
cerebellar tonsil
66
3
flocculonodular lobe -between posterior lobe and brainstem -formed by nodule of vermis reaching the B flocculi fxn: receives input from primary vestibular afferents --> eye mvmt, equilibrium, balance
67
Vermis connects R and L hemispheres of cerebellum fxn: influences mvmt along axis of body and medial tract includes: fastigial nuclei
68
what's the blue?
Vermis connects R and L hemispheres of cerebellum fxn: influences mvmt along axis of body and medial tract includes: fastigial nuclei
69
Paravermal/intermediate area -lateral to vermis fxn: influences LATERAL motor tract (vermis does MEDIAL) -interposed nuclei here -projects to cerebral cortex via thalamus
70
Paravermal/intermediate area -lateral to vermis fxn: influences LATERAL motor tract (vermis does MEDIAL) -interposed nuclei here -projects to cerebral cortex via thalamus
71
A
Fastigial nucleus
72
B and D
Dentate
73
C
Interposed nuceli (Emboliform and globuse) a part of: spinocerebellum, paravermis
74
dentate nucleus -location: most lateral nuclei -fxn: fine control, skilled mvmt, complex spatial and temporal movement -part of cerebrocerebellum
75
Cerebrocerebellum
76
spinocerebellum
77
Vestibulocerebellum (flocculonodular lobe) fxn: balance, eye mvmt, receives ipsilateral info about head and gravity damage = ataxia, nystagmus
78
angular gyrus location: in inferior parietal lobe fxn: -complex language!!!! -spatial cognition -attn -# procesing
79
corona radiata -white matter -carries afferent and efferent -continues inferiorly as INTERNAL CAPSULE -continues superiorly as CENTRUM SEMIOVALE
80
Primary motor cortex
81
A? C?
A- Supplementary motor C- Pre-motor
82
Broca's area Location: L frontal lobe (in most) fxn: speech production (motor) damage: aphasia where you know what you want to say but can't get it out/lack motor ability
83
Wernicke's area Location: L temporal parietal/primary auditory cortex Fx : language comprehension (spoken, written, sign) Damage: aphasia where you have trouble comprehending others/can speak but it is usually not making sense
84
primary visual cortex
85
secondary visual cortex
86
arcuate fasciculus bundle of axons that connects Wernickes and Broca's areas
87
What cortex is represented by the red highlighted area?
primary auditory cortex
88
A- Primary auditory cortex fxn: awareness of intensity of sounds B- Secondary auditory cortex fxn: CATEGORIZE sounds
89
primary somatosensory cortex
90
What is What do
Dorsal Stream Identifies location/movement of objects
91
Ventral stream recognizes objects
92
Pretectum -coord eye mvmts during smooth pursuit -reflex cntrol of pupil/lens
93
dorsolateral prefrontal cortex self awareness executive functions - decision making, motor plan, goals, multitask, inhibit
94
3
parietotemporal association cortex -intelligence -problem solving -understanding communication -plan mvmt
95
A- Medial dorsal prefrontal cortex : perceives others emotions B- Ventral prefrontal cortex: your own emotions
96
calcarine fissure separates cuneus and lingual in occipital lobe of primary visual cortex
97
A- Cuneus- lower quad of eyes B- Lingula - Upper quad of eyes
98
superior rectus CN3
99
Inferior Rectus CN3
100
Left Eye of Pt
Medial Rectus CN3
101
Left Eye of Pt
Lateral Rectus CN 6
102
superior oblique CN 4
103
Inferior oblique CN 3
104
Frontal eye field of cortex
105
What are the folds of the cerebellum called
Folia
106
What are the red arrows pointing to?
cerebellar peduncles
107
Utricle/Saccule
108
Tympanum
109
Centrum Semiovale
110
take special note of this one! - peer mentors
optic chiasm
111
pituitary gland
112
Sella turcica (contains posterior pituitary gland)
113
parietal occiptial sulcus
114
What lobe does the highlighted blue part correspond with?
occipital lobe
115
temporal lobe
116
caudate nucleus
117
fornix
118
what is 8?
superior colliculus
119
6?
hippocampus function: memory, learning, emotion

Neuro Test 2 (19 decks)

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