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Neuro - Physiology > Cerebral Hemispheres > Flashcards

Cerebral Hemispheres Flashcards

1
Q

sulcus and gyrus

A

sulcus is dip

gyrus is elevation

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2
Q

precentral gyrus belongs to which lobe

A

frontal

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3
Q

lateral sulcus divides which lobes

A

frontal and temporal

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4
Q

where is the cingulate gyrus

A

in a curve around the corpus callosum

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5
Q

corpus callosum connect …

A

the two hemispheres

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6
Q

types of fibre in corpus callosum

A

commisural

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7
Q

which lobes each have a superior, middle and inferior gyrus

A

frontal lobe and temporal lobe

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8
Q

lobe of hearing and smell

A

temporal

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9
Q

what is a dominant hemisphere

A

the side of tha brain which has stronger control/input to a certain function

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10
Q

right handed people are which sided dominant

A

left sided

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11
Q

what is area 4

A

precentral gyrus - primary motor cortex

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12
Q

where is broca’s area of motor speech

A

the inferior frontal gyrus area 44, 45

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13
Q

what is area 44 and 45

A

broca’s area

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14
Q

most medial parts of motor homunculus

A

toes, leg, knee

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15
Q

most lateral parts of motor homunculus

A

tongue, mouth, face

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16
Q

what is the most lateral part of the sensory homunculus

A

intra-abdominal

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17
Q

what are areas 3, 1 and 2

A

post-central gyrus - primary sensory cortex

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18
Q

sensory purpose of superior parietal lobule

A

interpretation of general sensory information

19
Q

which lobe is divided into an inferior and superior lobule

A

parietal

20
Q

where do we get our conscious awareness of our body

A

superior parietal lobule

21
Q

area 41, 42

A

wernicke’s area

22
Q

where is wernicke’s area

A

the superior temporal gyrus

23
Q

function of wernicke’s area

A

understanding speak

24
Q

where is the primary auditory cortex

A

superior temporal gyrus

25
Q

where is the primary olfactory cortex

A

inferior temporal gyrus

26
Q

area 17

A

primary visual cortex on occipital lobe

27
Q

true/false the calcarine sulcus divides area 17 and 18

A

false - area 17 is on both sides of the calcarine sulcus

28
Q

visual association cortex

A

area 18, 19 - interpretation of the visual

29
Q

where is the limbic lobe

A

the medial surface of the cerebral hemisphere

30
Q

parts of the limbic lobe

A

cingulate gyrus, hippocampus, amygdala and parahippocampal gyrus

31
Q

which part of the brain is responsible for processing and understanding speech

A

wernicke’s area in the dominant hemisphere

32
Q

area of brain responsible for forming speech

A

broca’s area

33
Q

what is aphasia

A

problems with speech

34
Q

fibres that travel between subcortical areas and the cortex

A

projection fibres

35
Q

fibres that travel between areas of cortex

A

association fibres

36
Q

function of basal ganglia

A

control movement by connecting to motor cortex (starting and stopping of movements)

37
Q

components of basal ganglia

A

caudate, lentiform nucleus (putamen and globus pallidus) and substantia nigra

38
Q

shape of caudate nucleus

A

it follows the curve of the lateral ventricle and has the putamen at its middle. Looks like a little foetus with a ball in the middle

39
Q

components of lentiform nucleus

A

globus pallidus and putamen

40
Q

what is lateral to the caudate and thalamus in a v-shape on transverse section

A

internal capsule

41
Q

what is lateral to the internal capsule

A

the lentiform nucleus

42
Q

which parts of the basal ganglia are input areas from the motor cortex and thalamus

A

the caudate nucleus and putamen

43
Q

which parts of the basal ganglia are output regions receiving from the caudate nucleus/putamen

A

globus pallidus and substantia nigra

44
Q

where does the globus pallidus send its projection

A

to the thalamus

Neuro - Physiology (16 decks)

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