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BRS 1b > Neurology - Cortical organisation and function > Flashcards

Neurology - Cortical organisation and function Flashcards

1
Q

How are areas of the cortex classified?

A

52 regions based on cytoarchitecture - cell size, spacing or packing density and layers

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2
Q

Primary motor cortex

A

4

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3
Q

Primary somatosensory coretx

A

123

Behind central sulcus

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4
Q

Frontal lobe functions?

A

Language
Cognitive functions (executive function - planning and decision-making) Regulate and initiate motor function, Attention
Memory

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5
Q

Parietal lobe functions?

A

Sensation - pain, touch
Sensory aspects of language
Spatial orientation
Self-perception

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6
Q

Occipital lobe

A

Process visual information

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7
Q

Temporal lobe

A

Processing auditory information
Emotions
Memories

Memories formed in structures within temporal lobes

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8
Q

Limbic lobe

A

Learning
Memory
Emotion
Motivation
reward

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9
Q

Insular cortex functions

A

Visceral sensation
Autonomic control
Interoception
Auditory processing
Visual-vestibular integration

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10
Q

White matter tracts

A

Connect cortical areas

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11
Q

Association fibres

A

within same hemisphere

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12
Q

Commisural fibres

A

homologous structures in L/R hemispheres

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13
Q

Projection fibres

A

Cortex to lower brain structures e.g. thalamus, spinal cord

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14
Q

Association fibre types

example

A

Short and long

Superior Longitudinal Fasciculus - frontal and occipital

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15
Q

Commisural fibre example?

A

Corpus callosum

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16
Q

Projection fibre tracts

A

Afferent and efferent (to cortex)

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17
Q

Where do projection fibres travel?

A
18
Q

Where do projection fibres converge?

A

Internal capsule

19
Q

Primary cortices?

A
20
Q

Secondary/association cortices

A
21
Q

Frontal lobe - primary motor cortex

A
22
Q

Frontal lobe - premotor area

A
23
Q

Frontal lobe - supplementary area

A
24
Q

Parietal lobe - Primary somatosensory cortex

A
25
Q

Occipital lobe - primary visual cortex

A
26
Q

Visual association cortex

A
27
Q

Prefrontal cortex

A
28
Q

Broca’s area

A
29
Q

Wernicke’s area

A
30
Q

Causes of cortical lesions

A
31
Q

Parietal lobe lesion

A

Contralateral neglect - lack of self-awareness and extra personal space awareness

32
Q

Temporal lobe lesion

A

Agnosia

33
Q

Broca’s area lesion

A
34
Q

Wernicke’s area lesion

A

Aphasia

35
Q

Primary visual cortex lesion

Primary

A
36
Q

Visual association area lesion

A
37
Q

EEG

A

measures electrical signals produced by brain

38
Q

MEG

A
39
Q

tDCS

A
40
Q

DTI

A

Diffusion tensir imaging based on osmosis

41
Q

DTI with tractographs

A

3D reconstruction

BRS 1b (2 decks)

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