Neuro - Unit 3 - Cerebral Hemispheres

Front 1

Roughly 90% of the cerebral cortex is:

Back 1

Neocortex

Front 2

The 6 layers of the neocortex

Back 2

I – Molecular (Plexiform) Layer
II – Outer Granular Layer
III – Outer Pyramidal Layer
IV – Inner Granular Layer
V – Inner Pyramidal Layer
VI – Multiform Layer

Front 3

The primary motor cortex is the _________ cortex and the primary sensory cortex is the _________ cortex

Back 3

Agranular cortex
granular cortex

Front 4

Primary motor cortex (agranular cortex) is dominated by ____________.

Back 4

pyramidal projection neurons

Front 5

Primary sensory cortex (granular cortex) is dominated by smaller cells, most notably _________.

Back 5

stellate cells

Front 6

In which layers do pyramidal neurons exist?

Back 6

All except layer I

Front 7

Stellate neurons are most numerous in which layer?

Back 7

IV

Front 8

Interhemisphereic fibers are present in which layer?

Back 8

III

Front 9

Long association fibers (intrahemispheric) are present in which layers? What do they connect?

Back 9

Layer III and V
Connect lobes together

Front 10

Short association fibers (intrahemispheric) are present in which layers? What do they connect?

Back 10

Layer II and III
Connect gyri together

Front 11

Corticopetal axons travel from the thalamus to:

Back 11

Layer IV

Front 12

Brodmann area of primary motor cortex

Back 12

Area 4

Front 13

Brodmann area of primary Somatosensory cortex

Back 13

Areas 3,1,2

Front 14

Brodmann area of primary visual cortex

Back 14

Area 17

Front 15

Brodmann area of primary auditory cortex

Back 15

Areas 41,42

Front 16

Primary lobes of the brain

Back 16

Frontal
Parietal
Temporal
Occipital
Limbic
Insular

Front 17

The functions of the frontal lobes

Back 17

Motor and cognitive functions

Front 18

Major functional components of the frontal lobes

Back 18

Primary motor cortex
Supplemental motor areas
Frontal eye field
Prefrontal cortex

Front 19

The frontal lobe is separated from the parietal lobes by the ______ and from the temporal lobe by the _______

Back 19

Central sulcus
Lateral fissure

Front 20

The primary giri of the frontal lobe

Back 20

Precentral gyrus
Superior gyri
Middle gyri
Inferior gyri

Front 21

On the medial surface the precentral gyrus continues within the logitudinal fissure as ________

Back 21

anterior paracentral gyrus

Front 22

The _______ lobule is the medial extension of both the pre and post-central gyri.

Back 22

paracentral

Front 23

The ________ gyrus is the primary motor cortex

Back 23

Precentral

Front 24

The precentral gyrus is organized such that areas that represent the legs are located in the _________ portion of the gyrus.

Back 24

Anterior

Front 25

In front of the precentral gyrus are:

Back 25

supplementary motor and premotor areas

Front 26

Anterior to the premotor cortex are the:

Back 26

frontal eye fields (area 8)

Front 27

The three primary parts of the inferior frontal gyrus

Back 27

Pars opercularis
Pars trangularis
Pars orbitalis

Front 28

The pars trangularis and pars opercularis are motor areas for ________.

Back 28

Speech

Front 29

Functions of the prefrontal cortex:

Back 29

Judgement
Foresight
Sense of purpose, responsibility and social propriety

Front 30

General functions of the parietal lobes

Back 30

Sensory and multimodal associative function

Front 31

Function of the sensory association areas (part of the parietal lobe)

Back 31

Understanding spoken and written language

Front 32

The sulcus that separates the parietal lobe from the occiptial lobe

Back 32

parieto-occiptal sulcus

Front 33

The primary componenets of the parietal lobe

Back 33

Primary somatosensory cortex
Superior parietal lobule
Inferior parietal lobule

Front 34

Neurons in the postcentral gyrus respond to modality specific stimuli of:

Back 34

discriminative touch
vibration
position
pain
temperature

Front 35

The anterior insula may help to:

Back 35

Coordinate articulatory movements necessary for speech

Front 36

The superior and inferior parietal lobules are separated by:

Back 36

Intraparietal sulcus

Front 37

Within the inferior parietal lobule, the angular gyrus is a center for what?

Back 37

Comprehension of written language

Front 38

Within the inferior parietal lobule, the supramarginal gyrus is a center for what?

Back 38

Comprehension of spoken language

Front 39

In the nondominant hemisphere, the inferior parietal lobule modulates:

Back 39

attention to stimuli both on the body and in the visual field.

Front 40

General functions of the temporal lobes

Back 40

Integrative sensory function
Some memory, auditory, and olfactory functions

Front 41

Gyri on the lateral surface of the temporal lobe

Back 41

Superior, middle, and inferior temporal gyri

Front 42

The temporal gyri are separated by:

Back 42

The superior and inferior temporal sulci

Front 43

Functions of the limbic lobe

Back 43

Primary processor of memory
Also involved in:
Emotional behavior
Integration of homeostatic responses
Motivation and sexual behavior