Cerebrum

Question 1

Structures that protect cerebrum

Answer 1

CSF
Meninges
Skull

Question 2

Name of source of energy of brain

Answer 2

Glucose

Question 3

Between genius and normal person, who has bigger brain

Answer 3

Neither , same size for everbody

Question 4

What differentiate a genius brain from a normal person

Answer 4

Number of synapses

Question 5

Superfical Structure that seperates right form left part of cerebrum

Answer 5

Longitudinal fissure

Question 6

Internal structure that allow communication between right and left halves of cerebrum

Answer 6

Corpus callosum

Question 7

Why is corpus callosum white

Answer 7

Because many myelinated axons

Question 8

What could happen if corpus callosum not able to allow communication between halves of brain

Answer 8

Autism

Question 9

Bump on surface of brain

Answer 9

Gyri

Question 10

Groove on surface of brain

Answer 10

Sulci

Question 11

Fissure that seperates frontal lobe from parietal lobe

Answer 11

Central sulcus

Question 12

Name of gyri around central sulcus

Answer 12

Pre central gyrus

Post central gyrus

Question 13

Function of precentral gyrus

Answer 13

Primary Motor cortex

Question 14

Name of map in the pre central gyrus

Answer 14

Motor homunculus

Question 15

Fissure that seperates occipital lobe from cerebellum

Answer 15

Transverse fisssure

Question 16

Fissure that seperates frontal and parietal lobes from temporal lobes

Answer 16

Sylvian/lateral fissure

Question 17

3 functional divisions of brain

Answer 17

Motor areas
Sensory areas
Higher function areas

Question 18

Most prominent sulcus of brain

Answer 18

Central sulcus

Question 19

Cortices found in central sulcus

Answer 19

Primary motor cortex

Primary somatosensory cortex

Question 20

2 divisions of limbic system

Answer 20

Limbic cortex

Deep limbic structures

Question 21

What forms limbic cortex

Answer 21

Cerebral sulci of the frontal, temporal, parietal

Cerebral gyri of the frontal , temporal, parietal

Question 22

Structures of deep limbic structures

Answer 22

Hippocampal formation 
Amygdala 
Diencephalon 
Olfactory cortex 
Basal ganglia
Basal part of cerebrum and brainstem

Question 23

Function of limbic system

Answer 23

Control emotions, olfaction, homeostatis

Question 24

Function of hippocampal formation

Answer 24

Long term memory

Spatial navigation

Question 25

Function of amygdala

Answer 25

Response to fear

Question 26

Structure that seperates cerebrum into left and right hemispheres

Answer 26

Medial longitudinal fissure

Question 27

Frontal lobe function

Answer 27

Motor control and planning , concentration, language , rational and executive control

Question 28

Precentral gyrus functionm

Answer 28

Brodmann area 4 or | Primary motor cortex

Question 29

Lobe that contains Primary sensory cortex

Answer 29

Parietal lobe

Question 30

Primary auditory cortex located in …

Answer 30

Superior temporal gyrus

Question 31

What does the brocas area control

Answer 31

Motor component of speech production

Question 32

Postcentral gyrus function

Answer 32

Somatosensory cortex responsible for touch, body position and movement sensing and

Question 33

What is wernickes area

Answer 33

Functional unit of cerebral cortex involved in comprehension of spoken language

Question 34

Cortex blood supply

Answer 34

Cortical branches of anterior, middle cerebral from internal carotid artery cortical branch of posterior cerebral arteries from basilar artery

Question 35

Parietal lobe function

Answer 35

Integrate proprioceptive and mechanoceptive stimuli Language processing Primary somatosensory cortex Somatosensory association cortex

Question 36

Occipital lobe function

Answer 36

Primary visual cortex | Center for visual procesing

Question 37

Temporal lobe function

Answer 37

Decode sensory input for retenion of visual memory Primary auditory cortex Wernickes area

Question 38

Insular cortex function

Answer 38

Processing and integration of taste sensation Visceral and pain sensation Vestibular functions

Question 39

What does homunculus means

Answer 39

Little man

Question 40

On the motor cortical homunculus , what part of the body is the most medial and the most latera

Answer 40

Most medial - genitals and then lower limbs part | Most lateral - head part

Question 41

What determines the amount of space a body part takes on the motor control homunculus

Answer 41

Proprotional to intricacy of motor function

Question 42

What is the direction of body part on the motor cortical homunculus

Answer 42

Genitals -> toes -> ankle -> knees -> hip -> trunk -> shoulder -> elbow -> wrist -> hand and fingers with thumb largest area -> forehead -> brows -> eyes -> nose-> lips being largest of face -> chin -> tongue -> pharynx

Question 43

What is the logic behind size of body parts represented on sensory cortical homunculus

Answer 43

Amount of cortex per body part is proportional to complexity of sensation received from an organ

Question 44

Is area of genitals larger for sensory or motor cortical homunlucus ?

Answer 44

Sensory as more complex sensory information