Cerebral Hemisphere Lab

Question 1

Central Sulcus (Rolandic Fissure)

Answer 1

Separates primary motor (anterior) and sensory (motor) cortex for lower extremity

Question 2

Lateral fissure (sulcus)

Answer 2

Insular cortex located deep inside

Question 3

Precentral sulcus

Answer 3

Separates precentral gyrus from frontal gyri

Question 4

Precentral gyrus

Answer 4

Motor (primary) cortex

Question 5

Superior Frontal gyrus

Answer 5

Prefrontal and premotor cortex, supplemental motor area

Question 6

Middle frontal gyrus

Answer 6

Prefrontal cortex, premotor cortex and visual eye movements (voluntary)

Question 7

Inferior frontal gyrus (orbital, triangular, opercular area)

Answer 7

Motor speech

Question 8

Frontal lobe

Answer 8

Motor, premotor, prefrontal, motor speech, “executive area” of the cerebrum

Question 9

Parietal lobe

Answer 9

Somatosensory association cortex, multimodal association cortex, concerned with “what”

Question 10

Postcentral sulcus

Answer 10

Separate precentral gyrus from superior and inferior parietal lobules, posterior sulcus of paracentral lobule

Question 11

Postcentral gyrus

Answer 11

Primary sensory cortex

Question 12

Intraparietal sulcus

Answer 12

Separates superior and inferior parietal lobules

Question 13

Superior parietal lobule

Answer 13

Sensory association cortex

Question 14

Inferior parietal lobule

Answer 14

Multimodal association cortex

Question 15

Temporal lobe

Answer 15

Primary and association auditory cortex; memory, concerned with what

Question 16

Superior temporal gyrus

Answer 16

Auditory association cortex

Question 17

Middle and inferior temporal gyrus

Answer 17

Memory storage

Question 18

Occipital lobe

Answer 18

Primary and association visual cortex

Question 19

Lateral occipital gyri

Answer 19

Visual association cortex

Question 20

Preoccipital notch

Answer 20

Site of separation between occipital lobe and parietal lobe with the cerebrum is viewed laterally

Question 21

Parieto-occipital fissure

Answer 21

Separates parietal lobe from occipital lobe (cuneus from precuneus), best seen from medial view

Question 22

Insula

Answer 22

Located deep in the lateral fissure

Question 23

Transverse temporal gyri

Answer 23

Primary auditory cortex

Question 24

Insular gyri (long and short)

Answer 24

Visceral (olafactory, taste, pain) association cortex

Question 25

Paracentral lobule

Answer 25

Medial continuation of motor (anterior) and sensory (posterior) for lower extremity

Question 26

Precuneus

Answer 26

Medial side of superior parietal lobule, somatosensory association cortex

Question 27

Parahippocampal gyrus

Answer 27

Part of limbic lobe, rostral portion is primary olfactory area; hippocampal formation located medially. Memory consolidation.

Question 28

Subcallosal area (paraterminal gyrus)

Answer 28

Part of limbic system

Question 29

Uncus

Answer 29

Contains amygdaloid nucleus, involved with emotional memory

Question 30

Cuneus

Answer 30

Vision (lower field)

Question 31

Calcarine fissure (sulcus)

Answer 31

Primary visual cortex, separates cuneus and lingual gyrus

Question 32

Lingual gyrus

Answer 32

Vision (upper field)

Question 33

Cingulate gyrus

Answer 33

Limbic system

Question 34

Lamina terminalis

Answer 34

Rostral end of developing CNS

Question 35

Septum Pellucidum

Answer 35

Separates 2 lateral ventricles

Question 36

Corpus callosum (rostrum, genu, body, splenium)

Answer 36

Connects 2 cerebral hemispheres

Question 37

Anterior commissure

Answer 37

Connects temporal lobes of 2 hemispheres

Question 38

Fornix

Answer 38

Part of the limbic system, connects hippocampal formation to the septal area and mammilary nucleus

Question 39

Interventricular foramen (of Monro)

Answer 39

Connects the lateral and 3rd ventricles

Question 40

What makes up the limbic lobe?

Answer 40

Subcallosal area, cingulate gyrus, isthmus of cingulate gyrus, parahippocampal gyrus, hippocampal formation

Question 41

Limbic lobe

Answer 41

Forms ring of tissue on medial surface of cerebral hemisphere. Connects the neocortex to the hippocampal formation

Question 42

Thalamus

Answer 42

Sensory, motor and assocation nuclei

Question 43

Hypothalamus (with infundibulum)

Answer 43

Regulation of the pituitary gland and ANS

Question 44

Mammilary body

Answer 44

Part of the limbic circuit, termination of the fornix and beginning of the mammillothalamic tract

Question 45

Pineal body (epithalamus)

Answer 45

Melatonin

Question 46

Optic nerve (CN II) and chiasm

Answer 46

Vision

Question 47

Posterior commissure

Answer 47

Connects precentral areas, involved in visual reflexes

Question 48

Orbital gyri

Answer 48

Overlie orbit, orbital portion of prefrontal cortex

Question 49

Olfactory tract

Answer 49

Olfaction, connects olfactory bulb to olfactory cortex

Question 50

Hypothalamus

Answer 50

Regulation of pituitary gland, ANS etc.

Question 51

Median eminence

Answer 51

Hypothalamic area leading to infundibular stalk

Question 52

Infundibular stem

Answer 52

Connection between pituitary gland and hypothalamus

Question 53

Longitudinal cerebral fissure

Answer 53

Separates 2 cerebral hemispheres from one another, falx cerebri located in this area