Mod 2 Flashcards

1
Q

What are the lobes of the brain

A

Frontal, parietal, limbic, temporal, occipital

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2
Q

What is considered to be the sixth lobe of the brain

A

Insula

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3
Q

In the skull the frontal lobe lies on the _____ fossa

A

Anterior

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4
Q

In the skull the _______ rests on the middle fossa

A

Temporal

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5
Q

The ____ rests in the posterior fossa. It also includes ___,____,___

A

Occipital

Pon, cerebrellum and medulla

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6
Q

What is the cortex composed of

A

Grey matter

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7
Q

The cortex is divided into the ___ and ____

A

Neocortex and allocortex

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8
Q

What is included in the neocortex

A

Frontal, parietal, temporal, occipital and insular lobes

Accounts for 90% of the cortex

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9
Q

What does the allocortex include

A

Hippocampal structures, olfactory cortex and limbic structures
10% of cortex

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10
Q

What cells in the cortex give rise to voluntary movement pathways

A

Giant cells of Betz

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11
Q

Most cortical neuron are _____ cells

A

Pyramidal

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12
Q

The cortex is organized into ____ columns

A

Vertical

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13
Q

An elevation in the surface of the brain is called

A

Gyrus or convolution

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14
Q

A depression in the surface of the brain is called

A

sulcus or fissure

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15
Q

Another name for the central sulcus

A

Fissure of Rolando

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16
Q

Another name for Sylvian fissure

A

Lateral fissure/sulcus

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17
Q

The Sagittal fissure is also known as

A

The longitudinal fissure

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18
Q

Where is the frontal lobe located

A

Anterior to the central sulcus and superior to the lateral sulcus

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19
Q

The occipital lobe is located ___

A

On the lateral view, posterior to an imaginary line parallel to the parietooccupital sulcus

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20
Q

Where is the posterior lobe

A

Posterior to the central sulcus

Anterior to the imaginary parietooccipital line

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21
Q

The _____ is below the lateral sulcus and anterior to the imaginary p/o line

22
Q

The insula is located

A

Deep the the sylvian fissure

23
Q

The limbic system is located

A

At the bottom of the sylvian fissure, medially

24
Q

What are the important gyri of the frontal lobe

A

Precentral, superior/first frontal gyrus, middle/second gyrus, and inferior/third

25
The precentral gyrus contains
Primary motor strip (Broadman's area 4) Vertically oriented Organized as the motor homunculus
26
The third/inferior frontal gyrus contains
Broca's area (44) = motor association cortex for speech
27
How many sections does the third/inferior frontal gyrus have
3 Opercular Triangular Orbital
28
The broca's area include the ___ and ___ sections for the inferior gyrus
Triangular and opercular
29
What's the difference between primary and association
Association are secondary and tertiary cortical area --> border the primary
30
For sensory cortical functions ____ receives/perceives the sensory data and the _____ interprets the meaning
Primary | Association
31
For the motor cortical functions, the ____ sends out commands for muscles to contract and the ____ provide the plan or program for desired movement
Primary | Association
32
The premotor cortex is
Motor association cortex for skilled movement | Also known as area 6 or supplementary motor area
33
The _____ cortex lie anterior to areas 4,6 and 8
Prefrontal cortex
34
What is the role of the prefrontal cortex
Executive functioning, reassigning and planning
35
What is brodmans are 3-1-2
Post central gyrus
36
The post-central gyrus is Brodmann’s areas _______ and mediates________ _______ _________ information
3-1-2 | Somatic general sensory
37
Damage to Broca’s area results in
Problems motor planning for speech
38
The layers of the cortex are horizontally and vertically organized and show cell specificity by vertical location that is related to function
True
39
Sensory association areas are
Sensory integration/interpretation
40
The occipital lobe contains area 17 which is visual association cortex.
False: primary visual cortex | Areas 18 and 19 are the association cortex
41
Wernicke’s area is in the _______lobe and is ________ ________ ________cortex.
temporal ; auditory verbal association
42
The Sylvian Fissure separates the
Frontal and temporal lobes
43
The supramarginal gyrus is located in the ___________lobe and is a _______area.
Parietal | Sensory association
44
Functionally, the pre-central gyrus is responsible for motor innervation to the voluntary skeletal musculature and is Brodmann’s area
4
45
A lesion to the supramarginal gyrus causes
Alexia
46
A lesion to the angular gyrus
Anomia
47
Heschl's gyrus is in the ____ and is the ____ _____ cortex
Temporal | Primary auditory
48
Broca’s area is in the 3rd or inferior gyrus of the temporal lobe
False: in the 3rd/inferior gyrus of the frontal lobe
49
Lesions to the right parietal lobe result in
Visuospatial and constructional disorders
50
Brodman's area 41 and 42 is
Heschl's gyrus
51
Brodman's area 22
Weirnicke's