23a Cortex Flashcards
Which type of cortex is six-layered?
isocortex
Which cortex type is 3-layered?
allocortex
What is layer 1 called?
molecular layer, poor in cells. Only GABAergic interneuons
What are layers II and III called?
superficial pyramidal cell layer (after most common cell type)
What is layer IV called?
granular layer. Many small cells
What is layer V called?
deep pyramidal cell layer
What is layer VI called?
polymorphic layer because it has many cell types
Which layer is the main output of the cortex?
Layer V pyramidal neurons
Which layer primarliy projects to thalamus?
layer VI pyramidal cells.. Responsible thalamocortical rhythms in EEG.
What layer does thalamus input to?
layer IV
What is the broddman number for primary motor?
4
broddman number for primary somatosensory?
3,1,2
what is brodmann for primary visual?
17
What is brodman for primary auditory?
41,42
What is majority of cortex?
association cortex
