Cortical Anatomy Flashcards
Which cells are the main source cortical output?
pyramidal cells
Which cortical areas contain allocortex?
olfactory, hippocampus, dentate gyrus
What are the six layers of neocortex? What are their main features and outputs/inputs/functions?
What neocortical layers contain Martinotti’s cells?
internal and external pyramidal layers
External and internal band of ballinger are located in what neocortical layers?
External - internal granular layer
Internal - internal pyramidal layer
Betz cells are located in the _____.
internal pyramidal layer
Primary somatosensory cortex is located on _______ on BA ______.
post central gyrus
1,2,3
Primary motor cortex is located on ______. on BA ______.
Precentral gyrus
4
Tertiary somatosensory is located on ______. on BA ______.
superior parietal lobule
5
Supplementary and Premotor cortex is located on ______. on BA ______.
Precentral gyrus and anterior adjacent cortex
6
Frontal eye field is located on ______. on BA ______.
Superior and middle frontal gyri
8
Primary visual cortex is located on ______. on BA ______.
banks of calcarine fissure
17
Secondary and tertiary visual cortex are located on ______. on BA ______.
medial and lateral occipital gyri
18 and 19 respectively
Higher order auditory cortex is located on ______. on BA ______ and is responsible for _____.
superior temporal gyrus
22
hearing and speech
Primary olfactory cortex is located on ______. on BA ______.
parahippocampal gyrus and temporal pole
28, 34-26, 38
Angular gyrus is located on BA ____.
39
Supramarginal gyrus is located on BA ______.
40
Primary and secondary auditory cortex are located on ______. on BA ______.
Heschl’s and superior temporal gyrus
41 and 42 respectively
Primary gustatory cortex is located on ______. on BA ______.
insular and frontoparietal operculum
43
Broca’s area is located on ______. on BA ______.
inferior frontal gyrus (frontal operculum)
44
What structure in the auditory pathway is needed for sound localization?
trapezoid body (commissure)
What BA is Wernicke’s?
22
The MGB is organized ____ with ____ frequencies located _____.
tonotopically
higher
medially
Which motor areas have bilateral projection from the cortex?
eyes, face, and tongue
