Brodmann's Areas Quiz Flashcards
what brodmann area is located in the precentral gyrus of the frontal lobes
brodmann area 4
where is brodmann area 4 located
precentral gyrus of the frontal lobe
what is the function of brodmann area 4
motor initiation in the distal extremities and facial and oral musculature
what is the only brodmann area to contain the giant pyramidal (Betz) cells
brodmann area 4
brodmann area 4 is the only one to contain
giant pyramidal (Betz) cells
brodmann area 4 has well developed what
projection laminae (V and VI).
what brodmann area is in the post central gyrus of the parietal lobe
brodmann area 1, 2, 3
where is brodmann areas 1, 2, 3 located
post central gyrus of the parietal lobe
what are the brodmann areas 1, 2, 3 known as
somesthetic cortex (body sensing)
what brodmann areas are known as the somesthetic cortex
brodmann areas 1, 2, 3
what is received and integrated in brodmann areas 1, 2, 3
pain, thermal, deep touch, light touch, vibratory and kinesthetic
what is well developed in brodmann areas 1, 2, 3
lamina IV (also lamina V, VI)
what would you expect to be abundant in brodmann areas 1, 2, 3
specific thalamic efferents from the VPL and VPM
the great somesthetic cortex is subtly contributing what to the voluntary motor initiation pathways
pyramidal fibers
what are brodmann areas 6 and 8 collectively called
“premotor” region
what brodmann areas are known as the “premotor” region
brodmann areas 6 and 8
brodmann area 6 is best known for its eventual influence on what
proximal portions of our extremities
what does brodmann area 8 initiate
voluntary movements of the eyes
What brodmann area is responsible for voluntary movements of our eyes
Brodmann area 8
Fibers from brodmann area 8 stimulate lower motor neurons that move what
Six extraocular eye muscles
Where is the location of the lower motor neurons that are stimulated by brodmann area 8
Nuclei of CN III, IV, VI
What is brodmann area 9,10,11,12 known as
Prefrontal region
What brodmann areas are known as the prefrontal region?
Brodmann areas 9,10,11,12
Where are brodmann areas 9,10,11,12 located
Frontal lobe
What is highly developed in brodmann areas 9,10,11,12
Laminae II and III
Where does our greatest elaboration of thought occur
Brodmann areas 9,10,11,12
What is brodmann areas 9,10,11,12 responsible for
- Greatest elaboration of thought
- Including abstract reasoning
- Imaginative and emotional uniqueness
What houses brodmann area 44
Frontal operculum
What lobe is Broca’s area located in
Frontal lobe
What is brodmann area 44 called
Broca’s speech area
Association afferent fibers stream into Broca’s from the wholy integrated circuitry of what lobe(s)
Parietal and temporal lobes
What is brodmann area 44 responsible for
Tongue, laryngeal and pharyngeal musculature in the process of speaking, writing, and signing.
What brodmann area is responsible for initiating tongue, laryngeal and pharyngeal musculature in the process of speaking, writing, and signing
Brodmann area 44
What is aphasia
Loss of power to communicate through writing, speaking, or signs.
What is dysphasia
Partial or unusual loss of communicative ability
What are brodmann areas 17,18,19 collectively known as
Visual cortex
Where is brodmann area 17 located
Along calcarine sulcus
What brodmann area is known as the primary visual cortex
Brodmann area 17
In what brodmann area do we “see”
Brodmann area 17
What is brodmann area 17 responsible for
“See”; including perception of some motion, illumination, and transparency
What brodmann area is known as the “striate cortex”
Brodmann area 17
What are brodmann areas 18 and 19 responsible for
Integrating and memory storage for visual sensations.
What does a lesion in brodmann areas 18 or 19 inhibit
Inhibit correlating present images with past experiences.
“Face blindness”
Prosopagnosia
What is macula lutea
Part of retina that has clearest vision so we try to focus light on this area.
What is brodmann area 41 known as
Primary auditory cortex
Where is the primary auditory cortex located
Transverse temporal gyrus
What is the name of the medial extension of the transverse temporal gyrus
Heschl’s gyrus
Where does input come from in brodmann area 41
Medial geniculate body
In this brodmann area we “hear” -including integration of pitch, tone, loudness
Brodmann area 41
What is brodmann area 41 responsible for
“Hearing” - integration, tone, loudness
What brodmann area is Wernicke’s area
Brodmann area 22
What is the name of brodmann area 22
Wernicke’s area
What is Wernicke’s area responsible for
Hearing memory function
What is brodmann area 22 extensively utilized for bringing together
Structure of an utterance or for the formation of the written word
Brodmann area 22 utilizes input from many sources such as
Parietal lobe and occipital lobe
A lesion in Wernicke’s area could result in what kind of manifestation of dysphasia
Syntax makes no sense;
Answers do not correlate w/ questions
What brodmann areas are sandwiched between the somesthetic, auditory, and visual receptive regions
Brodmann areas 5,7,39,40
What are brodmann areas 5,7,39,40 responsible for
Synthesizing memory and sensation into creative functions such as reading, writing, and language in general.
What is brodmann area 39 called
Angular gyrus
Lesions in the angular gyrus are especially destructive resulting in what
Forms of alexia and agraphia (total loss in reading and writing, respectively)
What is the pathway between Wernicke’s area and Broca’s area
Arcuate fasciculus
What is active when we are using tools
Arcuate fasciculus
Where is brodmann area 43 located
Parietal operculum
What is brodmann area 43 responsible for
Gustatory center (taste reception)
What are our first memories of
Smells
What happens in brodmann area 34 and 28
Interpretation of olfaction
In what brodmann area does interpretation of olfaction happen
Brodmann area 34 and 28
Where is Brodmann area 34 located
Uncus
Where is brodmann area 28 located
Parahippacampal gyrus of the temporal lobe
Functions typically lateralized to the left
Speech; Linear reasoning; Tool use; Vocabulary; Grammar
Functions typically lateralized to the right
Spatial manipulations;
Prosodic language;
Singing
