CORTICAL FUNCTIONS Flashcards

1
Q

Anterior-posterior organization cortex

A
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2
Q

Primary motor cortex, area

A

4

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3
Q

Premotor area and supplementary area:

A

6

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4
Q

Frontal eye field area

A

8

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5
Q

Broca’s area (only dominant side)

A

44

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6
Q

Three functional regions of prefrontal cortex

A
  • DORSOLATERAL REGION: executive function (planning, attention)
  • MEDIAL FRONTAL REGION: motivation
  • ORBITOFRONTAL REGION: impulse control, social behaviour.
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7
Q

A person with a lesion in the medial frontal region of the prefrontal cortex might have…

A

Lack of motivation

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8
Q

A person with a lesion in the Orbitofrontal region of the prefrontal cortex might…

A

Say things without filter

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9
Q

A person with a lesion in the dorsolateral region of the prefrontal cortex might have problems in…

A

Attention or planning

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10
Q

Trail making test is used to assess…

A

The dorsolateral region of the prefrontal cortex (which controls executive function)
People with problems in attention fail this test

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11
Q

Stroop test is used to assess…

A

Executive function (attention) controlled by the dorsolateral region of the prefrontal cortex

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12
Q

Perception of primary stimuli

A

Primary somatosensory cortex

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13
Q

Integration of somatosensory information

A

Secondary somatosensory cortex

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14
Q

Sequential learned movement realization,
movement imitation. COGNITIVE TASKS (DANCING)
(spatial attention, drawing: non-dominant side;
writing, calculation in dominant side)

A

Tertiary somatosensory cortex

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15
Q

Visuo-motor integration

A

Posterior parietal cortex

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16
Q

Language

A

Left side: understanding meaning
Right side: musicality

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17
Q

Usually, … hemisphere is dominant and … hemisphere is more related to creativity.

A

Left, right

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18
Q

Postcentral gyrus: Primary somatosensory area have BA…

A

3, 1, 2

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19
Q

Secondary somatosensory area, BA…

A

7, 40

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20
Q

Tertiary somatosensory area, BA…

A

39, 23

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21
Q

Lesion in primary somatosensory area

A

Contralateral Hypoesthesia

22
Q

Astereognosis (inability to identify things placed in your hand) or agrafoestesis (recognise things drawn in the palm of the hand) are signs of a lesion in the…

A

SECONDARY SOMATOSENSORY CORTEX (elaborate building of perception)

23
Q

Agraphia, acalculia, finger agnosia and inability to
distinguish between the right and left sides of one´s body… show a lesion in the…

A

Tertiary somatosensory area (cognitive functions)

24
Q

Perception of primary visual stimuli

A

Primary visual cortex

25
Integration of visual information with other systems
Secondary and tertiary visual areas
26
Primary visual area, BA…
17
27
If they show you an object and you do not know what it is, you might have a problem in…
Secondary and tertiary associative visual areas
28
Perception of primary sounds
Primary auditory cortex
29
Perception of combined sounds, relationship between sounds
Secondary auditory cortex (Wernicke in dominant hemisphere)
30
Multi sensory integration is carried out by….
Tertiary auditory cortex
31
Alexia or dislexia might show a problem in the…
Secondary and tertiary associative visual areas
32
A patient have have alexia without …
Agrafia
33
Memory is controlled by…
Hippocampus (allocortex) + medial temporal lobe (entorhinal, perirhinal and parahippocampal cortex - BA 28, 35, 36 -)
34
A lesion in hippocampus and medial temporal lobe might cause…
AMNESIC SYNDROME
35
Language reception is carried out by…
WERNICKE’S AREA (22) and PRIMARY AUDITORY CORTEX (41, 42)
36
Language production is carried out by…
BROCA’S AREA (44, 45)
37
WERNICKE’S area and BROCA’S area are connected by the…
ARQUATE FASCICULUS
38
LEFT CEREBRAL DOMINANCE
- 95% in right handed - 60-75% in left handed
39
Inability to comprehend and/or formulate written or spoken language because of damage to specific brain regions
APHASIA
40
Speech disorder caused by muscle weakness
DYSARTHRIA (when you get drunk)
41
Motor aphasia
Broca lesion
42
Sensory aphasia
Wernicke lesion
43
Global or mixed aphasia
Motor and sensory areas are lesioned
44
Conduction aphasia
Damage to arquate fasciculus
45
Broca’s aphasia
46
Acquired motor skills; organized movements of variable complexity, learned and planned with a certain aim, that become automated due to repeated training
PRAXIS
47
Loss of the ability to execute or carry out skilled movements and gestures, despite having the desire and the physical ability to perform them; without motor or sensory deficit and without lack of coordination or alteration in conscience level
APRAXIA
48
Lesions in the parietal dominant regions cause…
Ideomotor or ideatory apraxia (they cannot do the victory sign)
49
Lesions in the parietal non-dominant regions cause…
Constructive or dressing apraxia
50
Inability to recognize and identify learned stimuli, without sensory deficit or alteration in consciousness. Symptoms may vary, according to the area of the brain that is affected
AGNOSIA
51
Ability to recognise the significance of sensory stimuli
GNOSIA
52
inability to identify single objets when they are simultaneously perceived with others. Appears in bilateral parieto-occipital lesions
Simultagnosia