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Medsci 142 > Nervous System: L1 Brain > Flashcards

Nervous System: L1 Brain Flashcards

1
Q

What are the 4 lobes of the brain

A

Frontal, Temporal, Parietal, Occipital

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2
Q

What is the frontal association cortex involved with?

A

Intelligence, Mood, Behaviour, Personality, Cognitive Function.

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3
Q

What is the parietal association cortex involved with?

A

Spatial Skills, 3D recognition (Shapes, Faces, Concepts, Abstract Perception)

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4
Q

What is the temporal association cortex involved with?

A

Memory, Mood, Aggression, Intelligence.

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5
Q

What is the dominant hemisphere in humans?

A

Left Hemisphere

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6
Q

What is the function of premotor cortex?

A

Planning of movements and activities.

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7
Q

What is the function of precentral gyrus?

A

Primary Motor Cortex, Movement.

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8
Q

What is the function of postcentral gyrus?

A

Primary (somato) sensory cortex.

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9
Q

What is the function of lateral fissure?

A

Separates the temporal lobe from frontal and parietal lobes.

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10
Q

What is the Supramarginal gyrus function?

A

Reading

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11
Q

What is the Angular Gyrus function?

A

Writing

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12
Q

What is the Primary auditory cortex?

A

Receiving input from cochlea and interprets the tone of voice. Tonotopic organisation.

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13
Q

What is the Primary auditory cortex located?

A

Temporal Lobe

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14
Q

What is the Superior Temporal Gyrus location?

A

Lateral Temporal Lobe

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15
Q

What is the Arcuate Fasisculus?

A

A bundle of icons ( white matterO that connects the temporal cortex and interior parietal cortex to locations in the frontal lobe.

  • Connects Wernicke’s and Broca’s area.
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16
Q

What is Wernicke’s Aphasia?

A

Characterised by impaired language comprehension. Despite impaired comprehension, speech may have a normal rate, rhythm, and grammar.
Common cause is an ischemic stroke affecting the posterior temporal lobe of the dominant hemisphere.

Impaired understanding. Also known as FLUENT aphasia.

17
Q

What is Broca’s Aphasia?

A

Involved damage to a part of the Brian known as Broca’s area. Broca’s area is responsible for speech production. Characterised by having extreme difficulty forming words and sentences, and may speech with difficult or none at all.

Understanding ISN’T affected. Also known as NONFLUENT Aphasia.

18
Q

What is Connectional Aphasia?

A

Lack of connection between verbal input and response. Both areas work well separately but the connection is gone.

19
Q

What is Connective Aphasia?

A

A fluent verbal response is not connected to the signal. Loss of meaning in communication.

20
Q

Where is Wernicke’s area located?

A

Primary auditory cortex in the temporal lobe.

21
Q

Where is Broca’s area located?

A

Premotor cortex, inferior to Exerner’s area.

22
Q

What is the function of Gyri?

A

Create more surface area for neurons. More Cognitive ability.

23
Q

What is the Corpus Callosum?

A

White matter.
Carries information from one side of the brain to the other. Coordination of the 2 sides of the brain/

24
Q

What is Cingulate Gyrus?

A

It lies above corpus Callosum, getting information to and from the brain.

25
Q

What are the components of the hindbrain?

A

Pons, Medulla Oblongata , Cerebellum.

26
Q

Where is the Primary Visual Cortex located?

A

The back of the Occipital lobe.

27
Q

What is the difference between grey & white matter?

A

Gray = the neocortex (contains neuronal bodies)
White = Neuron axons.

28
Q

What is the functions secondary visual cortex?

A

Perception of complex visual information.

29
Q

What is the function of primary visual cortex?

A

Organise Visual data.

30
Q

What is the Arcuate Fasisculus?

A

Bundle of axons that connect the temporal cortex and inferior parietal cortex to locations in the frontal lobe. One key roles of the arcuate fasiculus is connecting Broca’s and Wernicke’s area, which are invovled in producing and understanding language.

31
Q

What are the components of the brainstem?

A

Midbrain, Pons, Medulla Oblongata.

32
Q
A

Pons, Cerebellum, Medulla Oblongata.

Medsci 142 (6 decks)

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