Gross Brain

Question 1

Name the 3 compartments of the brain

Answer 1

Forebrain, Midbrain, Hindbrain

Question 2

What does the forebrain include?

Answer 2

Cerebral hemispheres and other deep structures

Question 3

What does the midbrain include?

Answer 3

Midbrain

Question 4

What does the hindbrain include?

Answer 4

Pons, Medulla, Cerebellum

Question 5

What structures make up the brain stem?

Answer 5

Midbrain, pons, medulla

Question 6

Why do cerebral hemispheres have a lot of folding?

Answer 6

To increase surface area

Question 7

Gyrus

Answer 7

Ridge of cortical tissue

Question 8

Sulcus

Answer 8

Groove between gyri

Question 9

Fissure

Answer 9

Particularly deep sulci

Question 10

Separates frontal and parietal lobes

Answer 10

Central sulcus

Question 11

Separates temporal and frontal/parietal lobes

Answer 11

Lateral fissure

Question 12

Anterior to central sulcus

Answer 12

Precentral gyrus

Question 13

Posterior to central sulcus

Answer 13

Postcentral gyrus

Question 14

Separates parietal and occipital lobes

Answer 14

Parieto-occipital sulcus

Question 15

Gray matter

Answer 15

Area containing neuronal/glial cell bodies and dendrites

Question 16

White matter

Answer 16

Area containing collections of axons, usually with myelin

Question 17

Nuclei

Answer 17

Collection of cell bodies with common functions

Question 18

Cortex

Answer 18

Layers of gray matter over other parts of CNS

Question 19

Other terms for white matter

Answer 19

Fasciculus, funiculus, lemniscus, tract, peduncle

Question 20

Houses primary motor areas in frontal lobe

Answer 20

Precentral gyrus

Question 21

Medial and lateral surfaces of frontal lobe

Answer 21

Voluntary motor behavior and pick movements

Question 22

Lateral surface of frontal lobe

Answer 22

Houses motor aspects of language

Question 23

Prefrontal association areas

Answer 23

Emotion, personality, judgement, social inhibitions, concrentration

Question 24

Modulates emotional aspects of behavior

Answer 24

Cingulate gyrus

Question 25

Primary somatosensory cortex that processes tactile and proprioceptive info

Answer 25

Postcentral gyrus

Question 26

Involved in language comprehension in parietal lobe

Answer 26

Inferior parietal lobule

Question 27

Remainder of parietal cortex function?

Answer 27

Spatial orientation and attention

Question 28

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

Answer 28

Homunculus

Question 29

Motor and sensory areas of brain on homunculus

Answer 29

Precentral (motor) and postcentral (sensory) gyri

Question 30

4 functions of temporal lobe

Answer 30

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

Question 31

Wernicke's area

Answer 31

Language comprehension

Question 32

Contains primary visual cortex

Answer 32

Calcarine sulcus

Question 33

What is the limbic lobe important for?

Answer 33

Learning, memory, emotion

Question 34

Where is the insular lobe?

Answer 34

Deep in the lateral fissure

Question 35

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

Answer 35

Opercula

Question 36

Gatekeeper for cortex

Answer 36

Thalamus

Question 37

Connects limbic system, regulates circadian rhythm, pineal gland

Answer 37

Epithalamus

Question 38

Hormonal, visceral and autonomic functions

Answer 38

Hypothalamus

Question 39

Connect cortical areas within the SAME hemisphere

Answer 39

Association fibers

Question 40

Connect areas in 1 hemisphere to the other

Answer 40

Commissural fibers

Question 41

Carry info to and from cerebral cortex

Answer 41

Projection fibers

Question 42

White matter bundle of fibers that travels via corona radiata

Answer 42

Internal capsule

Question 43

What are the limbs of the internal capsule?

Answer 43

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

Question 44

Basal nuclei are critical for what?

Answer 44

Initiation and control of voluntary movement

Question 45

Function of cerebellum

Answer 45

Sensory information processing and influences motor neurons

Question 46

Cerebellum surface made up of transverse ridges of gray matter

Answer 46

Folia