Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

understanding the brain > hypothalamus > Flashcards

hypothalamus Flashcards

workshop 11 (82 cards)

Start Studying
1
Q

what is the area of lesion for wernike’s aphasia?

A

posterior portion of superior temporal gyrus and posterior language area

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

what is the spontaneous speech like in wernicke’s disease?

A

fluent

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

what is the comprehension like for wernicke’s aphasia?

A

poor

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

what is the repetition like for wernicke’s aphasia?

A

poor

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

what is the naming ability of wernicke’s aphasia?

A

poor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the area of lesion for pure word deafness?

A

wernicke’s area or its connection with primary auditory cortex

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

what is the spontaneous speech like for pure word deafness?

A

fluent

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

what is the comprehension like for pure word deafness?

A

poor

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

what is the repetition like for pure word deafness?

A

poor

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

what is naming like for pure word deafness?

A

good

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

what is the area of lesion for broca’s aphasia?

A

frontal coretx, rosteral to base of primary motor cortex

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

what is the spontaneous speech like for broca’s aphasia?

A

non-fluent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is the comoprehension like for broca’s aphasia?

A

good

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

what is repetition like for broca’s aphasia?

A

poor
(may be better than spontaneous speech)

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

what is naming like for broca’s aphasia?

A

poor

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

what is the area of lesion for conductiuon aphasia?

A

white matter beneath partietal lobe, superior to lateral fissure (arcuate fasciculus)

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

what is the spontaneous speech like for condution aphasia?

A

fluent

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

what is comprehension like for conduction aphasia?

A

good

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

what is the repetition like for conduction aphasia?

A

poor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what is naming like for conduction aphasia?

A

good

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what is the area of lesion for anomic aphasia?

A

various parts of partietal and temporal lobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

what is the spontaneous speech ability of anomic aphasia?

A

fluent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

what is the comprehension ability of anomic aphasia?

A

good

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what is the repetition ability of anomic aphasia?

A

good

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
what is the naming ability of anomic aphasia?
poor
26
what is the area of lesion for transcortical sensory aphasia?
posterior language area
27
what is the spontaneous speech ability for transcortical sensory aphasia?
fluent
28
what is teh communication abilitty for transcortical sensory aphasia?
poor
29
what is the repetition ability for transcortical sensory aphasia?
good
30
what is the naming ability for transcortical sensory aphasia?
poor
31
what is the diencephalon?
divisions of the forerbrain
32
what is the pituitary gfalns attached to?
hypothalamus via a stalk
33
what is the ventral part of the diencephalon?
hypothalamus
34
what is the midbrain part of?
the brainstem
35
what does the hindbrain include?
medulla, pons and cerebellum
36
where is the thalamus?
the top part of the diencephalon
37
what is the role of the lateral hypothalamus?
implicated in role of making someone hungry.
38
what is the role of the ventromedial hypothalaus?
VMO= represses hunger signals
39
what is the role of leptin?
inhibits the hypothalamus neurons that drive food intake and stimulates the neurone that supresses it.
40
what is the role of the 2 sets of neurons in tghe hypothalamus that are importnat in out hunger signals?
1: sensation of hunger produced by making and releasing certain proteins 2: inhibits hunger through its own set of compound
41
how many gastrointestinal hormones are involved in moderating our appetite?
20
42
what is the role of cholecystokinin in eating regulation?
produced in response to food by cells in the upper, small bowel. It also slows the movement of food from the stomach to intestines. § When reached by hypothalamus, causes a reduction in feeling of reward when food is eaten- Causes satiety. Eat slowly= feel fuller than eating quickly (doesn’t have time to recognise fullness)
43
what is chemical is produced on an empty stomach?
ghrelin, that increases the activity of the hunger-causing nerve cells in the hypothalamus.
44
what is the importance of sleep?
essential to the restoration and recovery of vital bodily and mental functions (learning and memory)
45
how do sleep stage occur?
in cycles throughout the night
46
what is the difference between synchony and descynchory?
S= neurons fire together D= neurons fire at different times
47
what happens during slow-wave sleep?
* EEG synchrony * moderate muscle tonus * slow or absent eye movement * lack of genital activity
48
what happens during REM sleep?
* EEG desynchrony * lack of muscle tonus * rapid eye movements * genital activity * dreams
49
what waves measre sleep chnages in EEG scans?
alpha and theta waves
50
what is k-complex?
likely stimulate transitions between stages Unlikely noises stimulate k-complexes. Happen every minute in sleep
51
what areas are involved in REM sleep?
prefrontal cortex: low activity extrastriate cortex: high activity striate cortex: low activity
52
what are the charactristics of slow wave sleep?
Decreased activity in cortex except in visual and auditory cortices. Decrease in activity of thalamus and cerebellum
53
what is sleep regulation?
* Decreased levels of brain glycogen result in higher levels of adenosine – a neuro modulator * Sleep regulation through flip flop switch ○ Arousal centres either excited or inhibited by brain neurons * Build up of demesne (by product of insulin)- neuromodulator (stimulates activity of other areas) ○ Blocked by caffeine (antagonist- stimulates arousal, inhibits drowsiness) Circuits of neurons produce neurotransmitters linked to levels of arousal and wakefulness...
54
what is the waking levels of adenosine?
increase with longer periods of wake
55
what are the slow wave sleep levels of adenosine?
low
56
what are the REM levels of adenosine?
low
57
what are the brain region contracting cell bodies of acetylcholine?
pons, basal forebrain, medial septum
58
what are the waking levels of acetylcholine?
high
59
what are the SWS levels of acetylcholine?
low
60
what are the REM levels of achetylcholine?
high
61
what are the brain regions containing cell bodies in the norepinephrine?
locus coeruleus
62
what are the waking levels of norepinephrine?
high
63
what are the SWS levels of norepinephrine?
low
64
what are the REM levels of norepinephrine?
low
65
what brain region containing cell bodies is sertonin in?
raphe nuclei
66
what are the waking levels of seretonin?
high
67
what are the SWS levels of seretonin?
decreasing
68
what are the REM levels of seretonin?
low
69
what are the brain regions containing cell bodies for histamine?
tuberomammilary nucleus
70
what are the waking levels of histamine?
high
71
what are the SWS levels of histamine?
low
72
what are the REM levels of histamine?
low
73
what brain region contains cell bopdies for orexin?
lateral hypothalamus
74
what are the waking levels of orexin?
high
75
what are the SWS levels of orexin?
low
76
what are the REM levels of orexin?
low
77
what is orexin?
key in the regulation of sleep (arousal centre) In certain autoimmune diseases, these receptors are broken down, leading to sleep attacks.
78
how is sleep regulation both homeostatic and allostatic?
H= regulation of sleep A= dependent on stress (can override the homeostatic need)
79
what is the role of the preoptic nucleus?
Area of preoptic nucleus centred. Controls arousal of neurons by supresses them- releases GABA (neurotransmitter)
80
what are circadian rhythms?
ZEITGEBER: the physical, mental, and behavioral changes an organism experiences over a 24-hour cycle stimulus that resets the biological clock
81
where is melanopsin found?
ganglion cells
82
what is the role of the suprachiamatic nucleus?
(connected to pineal gland) When stimulated, it stimulates arousal centres and inhibits sleep neuron centre

understanding the brain (32 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions