epi

by

  

1. Different regions of the brain:

  

have totally   separate functions and do not need to communicate

 

send information to   each other mediated via individual neurons

 

send information to   each other mediated via simple diffusion

 

send information to   each other through an as yet unknown mechanism

10 points   

QUESTION 2

  1. In anterogade neuronal      tracing, what part of the cell takes up the tracer?

10 points   

QUESTION 3

  1. Delivery of large      molecules into cells by pressure injection or generating holes can damage      cells. What technology enables an investigator to introduce a tracer into      a cell in a less immediately destructive manner?

10 points   

QUESTION 4

  1. What other advantages      are afforded by the technology in question 3?

  

10 points   

QUESTION 5

  1. What sort of experiment      might someone do if they wanted to label only cholinergic neurons      (specifically, they might use a particular model animal)?

10 points   

QUESTION 6

  1. The neuronal tracing      article mentions optogenetically controlled transgenes. What are      optogenetically controlled transgenes?

10 points   

QUESTION 7

  1. What advance in      fluorescent protein technology makes the simultaneous tracing of hundreds      of neural connections possible?

10 points   

QUESTION 8

  1. In “Neuroimaging:      Many Analysts, Differing Results” the author uses the mixed gambles      task as an example.Briefly describe the mixed gambles task

10 points   

QUESTION 9

  1. The experiment described      for the study used functional magnetic resonance imaging or fMRI. Briefly      describe what this is and/or how it works.

10 points   

QUESTION 10

  1. What are some reasons      why different groups of neuroscientists might derive different conclusions      from the same dataset? How might this affect scientific research? How can      this be addressed?