Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Neuro exam 1 mod 1-7 > Mod 6 > Flashcards

Mod 6 Flashcards

1
Q

What connects the 2 thalami

A

Interthalamic adhesion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the functions of the thalamus

A
  1. Central relay center for sensory data
  2. Integrates sensorimotor information
  3. Role in cognition and language behavior
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What two types can the thalamus be divided into?

A
  1. Relay (specific)

2. Diffuse (no specific)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Lesions to the thalamus can lead to ______ symptoms that include _____and ____.

A
  1. Aphasic symptoms
  2. Anomia
  3. Paraphasia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The diencephalon includes

A
  1. Thalamus
  2. Sub-thalamus
  3. Hypothalamus
  4. Epithalamus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The relay nuclei lie mainly in the _____ thalamus

A

Lateral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The diffuse (non-specific) thalamus receive input from ____, ___, and ____

A

Brainstem reticular formation (RF)
other thalamic nuclei
Basal forebrain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which thalamic nuclei is related functionally to the limbic system

A

Anterior nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

____ nucleus projects to the cingulate gurus

A

Anterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The anterior nucleus mediates

A

Affective, emotional and visceral information

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

True or false: the reticular nucleus is related to the B.S R.F

A

False, not related

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The reticular nucleus receives input from axon collateral of:

A 
Thalamocortical fibers (specific and diffuses)
Corticothalamus fibers (specific and diffuse)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The ___ nucleus is located at the rostral end of the thalamus

A

Anterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which of the following does not project to the cortex:
Anterior nucleus
Reticular nucleus
Intralaminar nucleus

A

Reticular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the role of the reticular nucleus

A

Regulate the level of activity of thalamic neurons –> indirectly influencing the cerebral cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which thalamic nucleus has a role in pain perception?

A

Intralaminar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The intralaminar nucleus modulates

A

Excitability/arousal of neurons related to the sensorimotor integration and cognitive behavior in BG and cerebral cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which thalamic nucleus has extensive connections with other thalamic nuclei and with and prefrontal cortex and limbic systems

A

Dorsomedial nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

True or false: the dorsomedial nucleus receives primary in put from the amygdala

A

True

20
Q

Where does the dorsomedial nucleus send output to?

A

Prefrontal lobes, especially frontal eye field (area 8)

21
Q

The dorsomedial nucleus function

A

Intergrates visceral info with affect, emotions, thought processes and judgement. May regulate mood

22
Q

Destruction of the _____ lowers threshold for rage

A

Dorsomedial nucleus

23
Q

Lesions associated with memory loss and chronic alcoholism is known as _____

A

Korsakoff’s syndrome

24
Q

The ____ constitutes the posterior portion of the thalamus

A

Pulvinar

25
Q

The pulvinar is believed to make important contributions to

A

Language formulation, processing, lexical properties, reading and writing

26
Q

Lesions to the pulvinar thalamus can cause

A

Aphasia, including naming disturbances (anomia) and fluency disorders

27
Q

The ventral nuclear complex serves as the relay center for

A

Specific sensory and motor information

28
Q

The Ventral anterior nucleus

A

Voluntary skilled movement via afferent connections with BG

Efferent connections with premotor cortex (area 6) and motor cortex (area 4)

29
Q

True or false: Ventral lateral nucleus is a sensory relay nucleus

A

False: motor

30
Q

Which ventral nucleus is important in regulation of volitional movements

A

Ventral lateral nucleus

31
Q

The Ventral lateral nucleus receives afferents from the ___ and ____ and sends efferent to _____

A 
Cerebellum and globus pallidus 
Motor cortex (area 4)
32
Q

Dyskinesia results in

A

Lesions/disruptions in motor movements

33
Q

Ventricular posterior nucleus includes

A

Ventral posteriorlateral nucleus and ventral posteromedial nucleus

34
Q

The ventral posteriolateral nucleus is ____ relay nucleus

A

Sensory

35
Q

Which ventral nucleus relays via internal capsule and corona radiata to the upper 2/3s of primary somesthetic cortex

A

Ventral posteriolateral nucleus

36
Q

Which ventral nucleus receives sensations from the head and face? Via what nerve?

A

Ventral posteromedial nucleus (VPM)

Trigeminal nerve

37
Q

What does the thalamic syndrome do

A

Increases thresholds for sensations of pain, temperature, touch, pressure on side of body contralateral to lesion.

38
Q

What is the thalamic relay center for vision

A

Lateral geniculate body

39
Q

What is the thalamic relay center for audition

A

Medial geniculate body

40
Q

The medial geniculate body sends efferent projections via the ___ through ___ and ___ to _____

A

Auditory radiation
Internal capsule
Corona radata
Heschl’s gyrus

41
Q

The inhibitory neurotransmitters of the thalamus

A

GABA = gamma aminobutyric acid

- regulate leave of activity of thalamic nuclei

42
Q

The excitatory neurotransmitter of the thalamus

A

Glutamate

43
Q

The ____ consists of the pineal gland and habenular nucleus

A

Epithalamus

44
Q

The subthalamus is functionally a part of ___

A

BG
Bidirectional connections to the globus pallidus
Contributions to motor behavior

45
Q

What is the function of the hypothalamus

A

Regulates body functions
Control center for ANS
Body homeostasis

Neuro exam 1 mod 1-7 (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions