CNS - Brodmann Areas Quiz

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Which Brodmann area is confined to the precentral gyrus of the frontal lobes?

Brodmann area #4

Which Brodmann area contributes more fibers to the pyramidal system than any other single are?

Brodmann area #4

Which Brodmann area's functions involve voluntary motor initiation especially in the distal extremities and facial and oral musculature?

Brodmann area #4

Which Brodmann area is the only to contain the giant pyramidal (Betz) cells?

Brodmann area #4

Which Brodmann area's cortex (pallium) is thick (3.5-4.5 mm) with particularly well-developed projection laminae (V and VI)?

Brodmann area #4

Which Brodmann area sends projections to the basal ganglia, pontine nuclei, reticular formations, red nucleus, superior colliculus, vestibular and inferior olivary nuclei, as well as all brain stem nuclei?

Brodmann area #4

Which Brodmann areas are intertwined along the complex post central gyrus of the parietal lobe?

Brodmann areas #1, 2, and 3

Which Brodmann areas are best known as the somesthetic cortex (body sensing)?

Brodmann areas #1, 2, and 3

Which Brodmann areas receive and integrate pain, thermal, deep touch, light touch, vibratory, and kinesthetic input into conscious sensation?

Brodmann areas #1, 2, and 3

Which Brodmann areas have an abundance of specific thalamic efferents from the VPL and VPM and lamina IV is well-developed?

Brodmann areas #1, 2, and 3

Which Brodmann areas have a well-developed projection cortex (lamina V and VI), meaning the great somesthetic cortex is also subtly contributing pyramidal fibers to the voluntary motor initiation pathways?

Brodmann areas #1, 2, and 3

Which Brodmann areas are located just in front of area #4 and are sometimes called the "premotor" regions?

Brodmann areas #6 and 8

Which Brodmann area is the most famous of all motor areas?

Brodmann area #4

Which Brodmann areas are perfectly good motor initiation centers contributing fibers directly and indirectly to the pyramidal system?

Brodmann areas #6 and 8

Which Brodmann area is best known for its eventual influence on the proximal portions of our extremities?

Brodmann area #6

Which Brodmann area initiates voluntary movements of our eyes?

Brodmann area #8

Which Brodmann area's fibers stimulate lower motor neurons that move the 6 extraocular eye muscles (C.N. III, IV, and VI)?

Brodmann area #8

Which Brodmann area's fibers stimulate cranial nerves III and IV in the periaqueductal gray and cranial nerve VI in the abducens pons?

Brodmann area #8

Which Brodmann areas are located in the anterior and rostral-most parts of the frontal lobe, these represent the newest of the neopallial structures?

Brodmann areas #9, 10, 11, and 12

Which Brodmann areas have a highly developed laminae II and III (associative cortex) and associative inputs arrive from all cortical regions (as well as thalamic and hypothalamic input)?

Brodmann areas #9, 10, 11, and 12

Which Brodmann areas is where our greatest elaboration of thought occurs, including abstract reasoning and perhaps our imaginative and emotional uniqueness?

Brodmann areas #9, 10, 11, and 12

Which Brodmann areas are part of the prefrontal region?

Brodmann areas #9, 10, 11, and 12

Which Brodmann areas would have been affected by a prefrontal lobotomy (leucotomy)?

Brodmann areas #9, 10, 11, and 12

Which Brodmann area is located in the frontal operculum along the lateral inferior surface of the frontal lobe?

Brodmann area #44

Which Brodmann area is known as Broca's speech area?

Brodmann area #44

Which Brodmann area has association afferent fibers stream into it from the highly integrated circuitry of the parietal and temporal lobes?

Brodmann area #44

Which Brodmann area directs area #4 neurons that initiate tongue, laryngeal and pharyngeal musculature in the process of speaking, writing, and signing?

Brodmann area #44

What condition is a loss of power to communicate through writing, speaking or signs?

aphasia

What Brodmann area is commonly damaged from strokes, resulting in a form of motor aphasia?

Brodmann area #44

What condition occurs when an individual realizes what he or she wants to say, but the motor application of such communication is absent or very laborious and halted?

motor aphasia

What condition is a partial or unusual loss of communicative ability?

dysphasia

Is speech in specific and communicative skills, in general, dominant on the left side of the brain?

yes

Is speech in specific and communicative skills, in general, dominant on the right side of the brain?

no

When is the sidedness of speech and communicative skills established?

birth

Is speech always left-dominant?

no

Is there a relationship between handedness and side of speech dominance?

yes, about all right handed individuals are left dominant speakers; whereas, only 2/3 of all left handed individuals are left dominant speakers

Which Brodmann areas occupy the bulk of the cortex in the occipital lobes?

Brodmann areas #17, 18, and 19

Which Brodmann areas collectively constitute the visual cortex?

Brodmann areas #17, 18, and 19

Which Brodmann area, located along the calcarine sulcus, receives fiber input from the lateral geniculate body and is the primary visual cortex?

Brodmann area #17

Which Brodmann area is where we "see?"

Brodmann area #17

Which Brodmann area controls perceptions of some motion, illumination, and transparency?

Brodmann area #17

Which Brodmann area is called the "striate cortex" because of a white band running through lamina IV?

Brodmann area #17

Which Brodmann areas surround #17 and fill much of the remaining occipital lobe cortex?

Brodmann areas #18 and 19

In which Brodmann area would a lesion lead to blindness?

Brodmann area #17

Does a lesion in Brodmann area #17 lead to blindness?

yes

Does a lesion in Brodmann area #18 lead to blindness?

no, but it does inhibit correlating present images with past experiences

Does a lesion in Brodmann area # 19 lead to blindness?

no, but it does inhibit correlating present images with past experiences

In which Brodmann areas would a lesion inhibit correlating present images with past experiences?

Brodmann areas #18 and 19

Which Brodmann areas are integrating (visual enhancement like color etc.) and memory storage regions for visual sensations?

Brodmann areas #18 and 19

What condition is an inability to recognize faces?

prosopagnosia

Is the visual field segregated along the vertical axis?

yes

What is a minute yellowish area containing the fovea centralis located near the center of the retina of the eye at which visual perception is most acute?

macula lutea

Where is the site of macular degeneration?

macula lutea

Which side of the occipital lobe does information from the right half of the visual field end up in?

left side of the occipital lobe

Which side of the occipital lobe does information from the left half of the visual field end up in?

right side of the occipital lobe

What visual loss will occur from a lesion within the optic nerve?

loss of depth perception

What visual loss will occur from a lesion within the optic chiasm?

tunnel vision will occur

What visual loss will occur from a lesion within the optic tract?

loss of visual field from the opposite side of the where the lesion is, e.g. right optic tract lesion will result in a loss of left half of the visual field

What visual loss will occur from a lesion within the lateral geniculate body?

loss of visual field from the opposite side of the where the lesion is, e.g. left lateral geniculate lesion will result in a loss of right half of the visual field

What visual loss will occur from a lesion within the optic radiation

loss of visual field from the opposite side of the where the lesion is, e.g. right optic radiation lesion will result in a loss of left half of the visual field

Hey this figure 69 game is a fun one if you're into "seeing" and tracts and stuff! :^D

http://www.purposegames.com/game/figure-69-optic-pathway-study-diagram-game

Which Brodmann area is known as the primary auditory cortex?

Brodmann area #41

Which Brodmann area is located within the superior temporal gyrus, particularly along a medial extension known as Heschl's gyrus or the transverse temporal gyrus?

Brodmann area #41

Which Brodmann area has input fibers that come from the medial geniculate body?

Brodmann area #41

Which Brodmann body is where we "hear," including integration of pitch, tone, loudness, etc.?

Brodmann area #41

Which Brodmann area is known as Wernicke's area?

Brodmann area #22

Which Brodmann area surrounds #41 and extends nearly into the parietal lobe?

Brodmann area #22

Which Brodmann area deals with syntax (the arrangement of words and phrases to create well-formed sentences in a language)?

Brodmann area #22

Which Brodmann area is known for its hearing memory function?

Brodmann area #22

Which Brodmann area is extensively utilized for bringing together the underlying structure of an utterance or for the formation of the written word?

Brodmann area #22

Which Brodmann area utilizes input from many sources including the parietal lobe (#5, 7, 39, and 40) and occipital lobe (#17, 18, and 19)?

Brodmann area #22

In which Brodmann area could a lesion result in quite a different manifestation of dysphasia, e.g. the ability to form sentences in reply to a question that has nothing to do with the question?

Brodmann area #22

Which Brodmann areas are sandwiched neatly between the somesthetic, auditory, and visual receptive regions?

Brodmann areas #5, 7, 39, and 40

Which Brodmann areas fill the bulk of the parietal lobe and represent neurons capable of synthesizing memory and sensation into creative functions such as reading, writing, and language in general?

Brodmann areas #5, 7, 39, and 40

In which Brodmann area would a lesion be especially destructive resulting in forms of alexia (deficiency in reading) and agraphia (deficiency in writing)?

Brodmann area #39

Which Brodmann area is located in the angular gyrus?

Brodmann area #39

What condition is a deficiency in reading?

alexia

What condition is a deficiency in writing?

agraphia

What pathway is a connection between Wernicke's area (#22) and Broca's area (#44)?

arcuate fasciculus

Which 2 Brodmann areas is the arcuate fasciculus' connection between?

Brodmann areas #22 (Wernicke's area) and 44 (Broca's area)

What pathway is important for communication?

arcuate fasciculus

What pathway is active when we use tools?

arcuate fasciculus

Which Brodmann area is in the parietal operculum at the lateral extreme of the central sulcus and is thought to be a gustatory center (among other functions)?

Brodmann area #43

How many scents is the average human nose able to pick up?

nearly 10,000

Where are stems cells (neurons) being unusually constantly replaced?

nasal cavity

Which memories are remembered better than any other primary sense?

smells

Which Brodmann area in the parahippacampal gyrus of the temporal lobe has primary control over interpretation of olfaction?

Brodmann area #34

Which Brodmann areas in the parahippacampal gyrus of the temporal lobe have control over interpretation of of olfaction?

Brodmann areas #34 (primary) and 28

Which cerebral hemisphere typically deals with speech?

left

Which cerebral hemisphere typically deals with vocabulary?

left

Which cerebral hemisphere typically deals with grammar?

left

Which cerebral hemisphere typically deals with tool use?

left

Which cerebral hemisphere typically deals with linear reasoning?

left

Which cerebral hemisphere typically deals with spatial manipulations?

right

Which cerebral hemisphere typically deals with prosodic language (e.g. facial expressions)?

right

Which cerebral hemisphere typically deals with singing?

right