9 14 MIT Spring 2009 Class 20 Questions based on lectures and Schneider chapters 1 Describe the pathway for taste impulses from tongue to neocortex Also see Brodal 2 Study of olfactory projections in what primitive species has provided evidence for an early dominance of the olfactory system in evolution of the endbrain 3 What is a glomerulus plural glomeruli What are the major components of the olfactory glomeruli in the olfactory bulb Also see Brodal 4 Contrast compensatory sprouting and compensatory stunting of lateral olfactory tract axons 5 What intrinsic factor may explain the above phenomena Questions on readings Brodal 6 Where is the uncus What kind of structure is it 7 Describe one phenomenon of olfactory imprinting Questions on readings Lois et al 8 How can one prove the existence of neuronal precursors in the adult mammalian brain 9 Describe the migration route of such cells What guides the cells Questions on readings Striedter 10 Contrast concerted and mosaic evolution 11 How much of the variation across different species of mammals in the size of neocortex and also other major brain regions can be predicted from absolute brain size 12 Explain the meaning of late equals large as a summary of the interpretive work of Finlay and Darlington Note Barbara Finlay of Cornell University did her graduate work at MIT under Professors Schneider and Schiller 13 Is the late equals large rule always followed I e to what extent do some structures evolve mosaically Give specific examples Examples have been shown in class Additional examples are found in the Striedter book MIT OpenCourseWare http ocw mit edu 9 14 Brain Structure and Its Origins Spring 2009 For information about citing these materials or our Terms of Use visit http ocw mit edu terms
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