Miscellaneous
What is the approximate incidence of aphasia among stroke survivors?
33%-40% (about a third)
What kind of imaging provides detailed information about brain anatomy?
Structural Imaging
Which allows you to examine various organs, body parts, tissue types?
CT, MRI, fMRI, EEG
MRI
What is the approximate incidence of crossed (right-sided) aphasia?
about 10%
True or False:
Functional Imaging provides spatial or temporal information about brain activity
True
fMRI measures function via the ...
Blood Oxygen-Level Dependent (BOLD) signal
True or False:
basic science research is exploratory and theoretical
True
CT, MRI, fMRI, EEG
Which of the following are structural imaging techniques?
Structural = CT, MRI
Which can measure the location of neural activity associated with stimuli, tasks, and/or rest?
CT, MRI, fMRI, EEG
fMRI
True or False:
Speech therapy is effective in the acute stages of recovery
False
Which of the following can quickly examine various body parts and identify pathology?
CT, MRI, fMRI, EEG
CT
Exposure to radiation and Reaction to contrast agents are risk factors of which?
CT, MRI, fMRI, EEG
CT
Those younger than 55 years and those with _____ severity of aphasia tend to have better prognosis from treatment
moderate severity
Which of the following allows you to see the course of processing via event-related potentials (ERPs)?
CT, MRI, fMRI, EEG
EEG
True or False:
As seen through EEG, grammatical errors take longer for the brain to process than semantic errors
True (about 200 ms longer)