Exam 4: The Methods and Ethics of Research

Dr. Patel wants to determine which neurochemicals are released in the brains of rats following social defeat. Which technique should Dr. Patel use for her study?

Admission to elite colleges requires high SAT scores and high school GPA. If gene therapy could be used to improve performance on exams but was expensive to obtain, what is a potential consequence that ethicists would find concerning?

Compare and contrast three different methods for staining neurons. Include what each stain is used for.

Leo is trying to determine which subcortical brain areas contain receptors for the neurotransmitter substance P. What technique can he use to accomplish this goal?

The electrical activity of individual neurons can be recorded in awake, behaving animals.

Unlike brain imaging techniques, TMS increases or decreases ______ in the brain.

Which of the following is prohibited by most countries?

Why has the Alliance for Regenerative Medicine cautioned scientists against using gene editing on reproductive cells?

Which staining technique was used to determine that neurons are distinct cells rather than an interconnected web?

Which of the following is true if transcranial direct current stimulation?

Which of the following is the most precise tool for altering genes?

Ramón y Cajal was able to identify the structure of neurons by using the stain developed by ______.

List four major types of human brain scanning techniques and provide one advantage and one disadvantage of each.

Explain three ethical issues with gene therapy and identify how people are approaching these issues.

In order to determine if the amygdala is needed for rats to learn to avoid an electric shock, Kevin plans to inject a neurotoxin into the amygdala. Which technique is Kevin using?

Which of the following brain imaging techniques is safest for participants?

Which of the following is true of experimental studies?

Which of the following is a major drawback of family studies?

fMRI scans have higher sensitivity than recordings of electrical activity from individual brain cells.

What is the stereotaxic atlas used for?