Gross Brain Flashcards

1
Q

Name the 3 compartments of the brain

A

Forebrain, Midbrain, Hindbrain

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2
Q

What does the forebrain include?

A

Cerebral hemispheres and other deep structures

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3
Q

What does the midbrain include?

A

Midbrain

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4
Q

What does the hindbrain include?

A

Pons, Medulla, Cerebellum

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5
Q

What structures make up the brain stem?

A

Midbrain, pons, medulla

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6
Q

Why do cerebral hemispheres have a lot of folding?

A

To increase surface area

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7
Q

Gyrus

A

Ridge of cortical tissue

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8
Q

Sulcus

A

Groove between gyri

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9
Q

Fissure

A

Particularly deep sulci

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10
Q

Separates frontal and parietal lobes

A

Central sulcus

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11
Q

Separates temporal and frontal/parietal lobes

A

Lateral fissure

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12
Q

Anterior to central sulcus

A

Precentral gyrus

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13
Q

Posterior to central sulcus

A

Postcentral gyrus

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14
Q

Separates parietal and occipital lobes

A

Parieto-occipital sulcus

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15
Q

Gray matter

A

Area containing neuronal/glial cell bodies and dendrites

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16
Q

White matter

A

Area containing collections of axons, usually with myelin

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17
Q

Nuclei

A

Collection of cell bodies with common functions

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18
Q

Cortex

A

Layers of gray matter over other parts of CNS

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19
Q

Other terms for white matter

A

Fasciculus, funiculus, lemniscus, tract, peduncle

20
Q

Houses primary motor areas in frontal lobe

A

Precentral gyrus

21
Q

Medial and lateral surfaces of frontal lobe

A

Voluntary motor behavior and pick movements

22
Q

Lateral surface of frontal lobe

A

Houses motor aspects of language

23
Q

Prefrontal association areas

A

Emotion, personality, judgement, social inhibitions, concrentration

24
Q

Modulates emotional aspects of behavior

A

Cingulate gyrus

25
Q

Primary somatosensory cortex that processes tactile and proprioceptive info

A

Postcentral gyrus

26
Q

Involved in language comprehension in parietal lobe

A

Inferior parietal lobule

27
Q

Remainder of parietal cortex function?

A

Spatial orientation and attention

28
Q

Map of body parts to the motor and sensory areas of the brain (distortion due to unequal distribution)

A

Homunculus

29
Q

Motor and sensory areas of brain on homunculus

A

Precentral (motor) and postcentral (sensory) gyri

30
Q

4 functions of temporal lobe

A

Primary auditory cortex, wernicke’s area, higher order processing of visual information and learning/memory

31
Q

Wernicke’s area

A

Language comprehension

32
Q

Contains primary visual cortex

A

Calcarine sulcus

33
Q

What is the limbic lobe important for?

A

Learning, memory, emotion

34
Q

Where is the insular lobe?

A

Deep in the lateral fissure

35
Q

What is the term for when an area is covered by lobes?

A

Opercula

36
Q

Gatekeeper for cortex

A

Thalamus

37
Q

Connects limbic system, regulates circadian rhythm, pineal gland

A

Epithalamus

38
Q

Hormonal, visceral and autonomic functions

A

Hypothalamus

39
Q

Connect cortical areas within the SAME hemisphere

A

Association fibers

40
Q

Connect areas in 1 hemisphere to the other

A

Commissural fibers

41
Q

Carry info to and from cerebral cortex

A

Projection fibers

42
Q

White matter bundle of fibers that travels via corona radiata

A

Internal capsule

43
Q

What are the limbs of the internal capsule?

A

Anterior limb, Genu, Posterior limb, Sublentricular limb, Retrolenticular limb

44
Q

Basal nuclei are critical for what?

A

Initiation and control of voluntary movement

45
Q

Function of cerebellum

A

Sensory information processing and influences motor neurons

46
Q

Cerebellum surface made up of transverse ridges of gray matter

A

Folia