Research on memory in Parkinson’s patients

1. What is meant by the term engram? What did Lashley hope to achieve by identifying it? How does the Quiroga et al. (2005) experiment relate to the concept of the engram?

2. What is a traumatic brain injury?

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In transcranial magnetic stimulation (TMS), a coil is placed near the scalp, which generates an electrical current in the brain. Which statement is true about TMS?

a. The coil is not placed directly on the skull.

b. The stimulation can either improve performance or inhibit performance, depending on the task.

c. Either a single pulse can be applied or a continuous current can be applied.

d. All of the above are true.

Diffusion tensor imaging is especially good at detecting

a. White-matter tracts that are used in a particular cognitive task

b. Whether a patient has Parkinson’s disease or not

c. Cognitive manipulations that work through the brainstem rather than the cortex

d. All of the above

Research on memory in Parkinson’s patients shows that

a. All Parkinson’s patients show deficits in recognition

b. There is some evidence that, because of compromise to the occipital lobe, some Parkinson’s patients show global amnesia

c. Because of damage to the prefrontal lobe, some Parkinson’s patients show deficits in prospective memory

d. All of the above are true

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