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
In anterogade neuronal tracing, what part of the cell takes up the tracer?
10 points
QUESTION 3
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
What other advantages are afforded by the technology in question 3?
10 points
QUESTION 5
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
The neuronal tracing article mentions optogenetically controlled transgenes. What are optogenetically controlled transgenes?
10 points
QUESTION 7
What advance in fluorescent protein technology makes the simultaneous tracing of hundreds of neural connections possible?
10 points
QUESTION 8
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
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
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?
