The Brain Flashcards

1
Q

What are the four lobes of the brain?

A

Frontal
Parietal
Occipital
Temporal

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2
Q

What lobe is the Primary motor area in and what is the function?

A

Frontal lobe - has upper motor neurons which initiate voluntary movement

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3
Q

What lobe is the Premotor area in and what is its function?

A

Frontal lobe- Controls a sequence of motor activities such as driving a car

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4
Q

Where is Broca’s area and what is its function?

A

Frontal lobe - Directs muscles involved in speech production

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5
Q

Where is the Anterior association area and what is its function?

A

Frontal lobe Concerns personality, intelligence, initiative

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6
Q

Where is the Primary somatosensory area and what is its function?

A

Parietal lobe - receives nerve impulses for touch, itching, vibration, temperature, and pain

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7
Q

Where is the Somatosensory association area and what is its function

A

Parietal lobe - allows identification of an object being touched using stored memories and past experiences of an object

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8
Q

Where is Wernicke’s area and what is its function?

A

Parietal lobe - interprets the meaning of speech by recognizing spoken words

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9
Q

Where is the Primary auditory area and what is its function

A

Temporal lobe - receives nerve impulses from the ear to determine sound, loudness, and location

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10
Q

Where is Auditory association area and what is its function?

A

Temporal lobe - allows identification of a sound as speech, music, or noise

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11
Q

Where is Primary visual area and what is its function?

A

Occipital lobe - receives visual identification and is involved in visual perception

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12
Q

Where is visual association area and what is its function

A

Occipital lobe - interprets visual stimuli enabling us to recognise a face

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13
Q

State the four areas of the brain (not the lobes)

A

Brainstem
Cerebellum
Diencephalon
Cerebrum

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14
Q

Describe the role of the brainstem in controlling consciousness

A

The midbrain. Net like arrangements of sensory axons carrying input to the brain to maintain consciousness

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15
Q

Name the system involved in controlling consciousness

A

The reticular activating system found in the medulla oblongata

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16
Q

State the clinical implication of damage to the RAS

A

Altered level of consciousness
Changes to vital signs
Impaired homeostatic control

17
Q

List the 3 structures of the Diencephalon

A

Thalamus
Hypothalamus
Epithalamus

18
Q

What 3 parts are the brainstem made up of

A

Midbrain
Pons
Medulla oblongata

19
Q

Functions of the cerebellum

A

Smooths and coordinates contractions of skeletal muscle
Regulates posture and balance
Coordinates skilled movement

20
Q

Functions of the cerebrum

A

Conscious thought
Memory
Logic
Initiation of voluntary movement

21
Q

Describe the function of the limbic system

A

Limbic system is the ‘emotional brain’ - controls emotional responses and memory processing

22
Q

What are fissures

A

Deep groves that subdivide the hemispheres

23
Q

What are Gyri

A

Folds that increase the surface area

24
Q

What are sulci/sulcus

A

Shallow depressions that separate adjacent gyri