Exam (elaborations)
Chapter 19 Brain Rhythms and Sleep
- Course
- Neuroscience
- Institution
- Stanford University
Chapter 19 Brain Rhythms and Sleep
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Chapter Twenty-Three Wiring the Brain1. Multiple cell types, including neurons and glia, can arise from the same precursor cells.
Because of this potential to give rise to many different types of tissue, these
precursor cells are also called which of the following? Choose the correct option.
A) Neural regenerator cells
B) Newly generated neurons
C) Daughter cells
D) Multipotent stem cells
2. According to Schlaggar and O'Leary, what happens to the cytoarchitectonic
differentiation when parietal cortex is replaced with occipital cortex in newborn rats
before the arrival of thalamic afferents? Choose the correct option.
A) The transplanted occipital cortex takes on the cytoarchitectonic appearance of
somatosensory cortex rather than occipital cortex after thalamic afferents arrive.
B) The transplanted occipital cortex takes on the cytoarchitectonic appearance of
occipital cortex after thalamic afferents arrive.
C) Thalamic afferents refuse to innervate the transplanted cortex, and it does
not differentiate cytoarchitectonically.
D) Several types of migration defects occur.
3. Which of the following describes the subplate layer? Choose the correct option.
A) An immature cortical layer just below the marginal zone containing the cells that
sequentially form each layer of the cortex beginning with layer VI
B) Transient layer below the cortical plate that contains the first neural precursor cells
to migrate from the ventricular zone
C) Layer where precursor cells duplicate their DNA and divide into daughter cells
D) Layer containing radial glial guides and migrating neurons
4. What is the function of subplate neurons? Choose the correct option.
A) They differentiate into inhibitory intemeurons.
B) They differentiate into oligodendrocytes.
C) They attract the appropriate thalamic axons to the different parts of the developing
cortex.
D) They serve as an anchor for radial glial end feet.
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