Question 1

How do transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) differ? Give a real or hypothetical example of an occasion when one of these methods would be preferable to the other. Explain why.

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Question 2

What are single and double dissociations? Provide an example of a neuropsychological study illustrating each one.

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Question 3

Cognitive neuropsychological approaches using people who have suffered a stroke, tumor, or neurological disorder are sometimes described as "correlational." Explain what this means, and provide a hypothetical case study to illustrate your point.

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Question 4

Why are methods that perturb neural function useful to researchers? Give examples of at least two such methods.

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Question 5

Describe an experiment you could conduct in order to understand the properties of a particular cell's receptive field.

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Question 6

Choose two of the following methods and briefly describe how they work. For each of your choices, describe a research question (real or hypothetical) for which this method would be an appropriate choice, and explain why.
• functional magnetic resonance imaging (fMRI)
• transcranial magnetic stimulation (TMS)
• electroencephalography (EEG)
• computerized tomography (CT)
• diffusion tensor imaging (DTI)

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Question 7

What role does an isotope play in positron emission tomography (PET)? Include a real or hypothetical example.

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Question 8

What is an event-related potential (ERP)? What benefits do ERPs bring to a researcher's toolkit?

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Question 9

How do computational models contribute to our understanding of cognitive neuroscience? Include an example in your answer.

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Question 10

Compare and contrast electroencephalogram (EEG) and magnetoencephalography (MEG). Highlight their similarities and differences in your answer.

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Quiz 3: Methods of Cognitive Neuroscience