Chapter 7: Lobe Labels and Stuff (1/26)

Question 1

Central Sulcus

Answer 1

Divides frontal lobe from parietal lobe

Question 2

Lateral (sylvian) sulcus

Answer 2

Divides temporal lobe from rest of cerebellum

Question 3

Parieto-occipital sulcus

Answer 3

Divides parietal from occipital lobe, or more accurately, separates cuneus from precuneus.

Question 4

Preoccipital notch

Answer 4

indentation that we can use as a landmark to divide occipital lobe from temporal lobe

Question 5

Precentral gyrus

Answer 5

movement (primary motor cortex)

Question 6

What is about 85% of total brain weight?

Answer 6

Telencephalon

Question 7

Inferior Frontal Gyrus

Answer 7

Frontal Lobe

Made of the Pars Opercularis/Pars Triangularis. Broca’s area is made of up of these two ‘Pars’, if injured broca’s aphasia occurs and the person can’t talk, where mouth movements are.

Question 8

Cingulate Sulcus

Answer 8

Frontal Lobe

What divides the frontal lobe from limbic lobe

Question 9

Callosal Sulcus

Answer 9

Frontal lobe-ish area

Divides the limbic lobe from the corpus callosum

Question 10

Cingulate gyrus

Answer 10

Limbic Lobe, continues into parahippocampal gyrus

Function: Memory recall and Fear Processing

Question 11

Corpus Callosum

Answer 11

Wraps around thalamus and subcortico structures

Question 12

Where are the Orbital Gyri located?

Answer 12

Frontal Lobe

Question 13

Olfactory sulcus: where is it?

Answer 13

Frontal Lobe; where olfactory bulbs sit

Question 14

Gyrus Rectus

Answer 14

Frontal Lobe, Where a lot of social interaction understanding goes on

Question 15

Postcentral gyrus

Answer 15

Parietal Lobe

Somatosensory

Question 16

Posterior Paracentral Lobule

Answer 16

Parietal Lobe

Question 17

Primary Somatosensory cortex

Answer 17

Parietal Lobe

Question 18

Intraparietal sulcus

Answer 18

Runs through the Parietal Lobe. Where a lot of neurophysiologist target to record stuff.

Processes visual info .

Question 19

Wernicke’s Area: What two gyri?

Answer 19

Parietal Lobe

Supramarginal gyrus and angular gyrus.
What happens if this is messed up? Wernicke’s Aphasia: you can talk, but no logical sense and you can’t understand anything

Question 20

Precuneus

Answer 20

Parietal Lobe

Processing of polymodal information (multiple sensory information, where it all comes together)

Question 21

What two sulcus’ bound the temporal lobe?

Answer 21

Lateral (sylvian) sulcus and collateral sulcus on ventral surface

Question 22

Superior temporal gyrus

Answer 22

Temporal lobe

audiotry information. Within this gyrus, hippocampus/amygdala

Question 23

Medial Temporal Gyrus

Answer 23

Temporal Lobe

Spatial Information

Question 24

Collateral/Parahippocampal Gyrus

Answer 24

Divided Temporal from limbic lobe

Question 25

Occipitotemporal gyri

Answer 25

Temporal Lobe

Question 26

Cuneus

Answer 26

Occipital Lobe Visual Infomation

Question 27

Calcarine Sulcus

Answer 27

Separates cuneus from lingual gyrus

Question 28

Uncus

Answer 28

Little notch in the limbic system

Question 29

Insular Lobe

Answer 29

Remove the overlying parietal and temporal lobe and split sulcus open. Insular cortex lies internally. Associated with gustatory/taste info, also linked with addiction and motivational behaviors

Question 30

Association Fibers

Answer 30

White Matter that connects various areas of the cortex within the same hemisphere

Question 31

Cingulum

Answer 31

Association fiber. Frontal -> Parietal ---> occipital. Wraps around corpus callosum

Question 32

Longitudinal Fasciculus

Answer 32

Association Fiber Superior (lateral) and inferior (ventral of temporal lobe)

Question 33

Uncinate

Answer 33

Association Fiber Prefrontal to temporal lobe, more rostral parts

Question 34

Arcuate Fasciculus

Answer 34

Association Fiber Fronto-temporal connections

Question 35

Comissural Fibers

Answer 35

Cross hemispheres, includes corpus callosum

Question 36

Anterior Commissure (medial surface)

Answer 36

Commisural Fibers Connects frontal and temporal lobes

Question 37

Hippocampal Commissure (medial surface)

Answer 37

Commisural Fibers Connects hippocampal fibers from either side

Question 38

Projection Fibers

Answer 38

Connects Lower parts of the brain and the spinal cords

Question 39

Internal Capsule

Answer 39

Project Fibers

Question 40

Where is the corpus striatum?

Answer 40

Basal Nuclei (Ganglia)

Question 41

Neostriatum

Answer 41

Located in Basal Ganglia Made of caudate nucleus and putamen

Question 42

Putamen

Answer 42

Located in Basal Ganglia Lateral to Thalamus

Question 43

Paleostriatum

Answer 43

Located in Basal Ganglia Globus pallidus - more internal

Question 44

The nucleus accumbens is considered part of the _____ _____

Answer 44

Basal Ganglia

Question 45

The substantia Nigra

Answer 45

Basal Ganglia not seen, but exists within the midbrain

Question 46

Hippocampus parts

Answer 46

Parahippocampus gyrus, subiculum, dentate gyrus, hippocampus proper Fornix: major output path that wraps around corpus callosum

Question 47

Stria Terminallis

Answer 47

Output from amygdala to hippocampus