Wk 2) Research Methods Flashcards
What 2 divisions make up the forebrain?
a) Measuring glucose metabolism
b) Examining aspects of dopamine neurotransmission
c) Detection of brain rhythms
d) Accumulation of amyloid beta protein
What technique is used to ‘turn off’ a part of the brain and thereby investigate the resulting effects of this disruption
a) Electroencephalography (EEG)
b) Transcranial Magnetic Stimulation (TMS)
c) Positron Emission Tomography (PET)
d) X-ray
What does Positron Emission Tomography (PET) involve?
a) Random signals
b) Large Signals
c) Sensory evoked potentials
d) Brain rhythms
Which of the following statements are not true of event related potentials (ERPs)?
a) Electric activity in the hear
b) Electric activity in the brain
c) Electric activity in your visual cortex
d) Electric activity in muscles
Which of the following technique measures changes in magnetic fields on the surface of the brain?
a) MRI
b) fMRI
c) MEG
d) EEG
An EEG recording primarily reflects what aspects of brain activity?
a) electrical currents resulting from neuronal activity in cortical regions
b) magnetic fields in the brain
c) cortical blood flow
d) glucose metabolism in cortical and sub-cortical regions
What is injected into a subject before a PET scan?
a) saline solution
b) anaesthesia
c) radioactive substance
d) dye
What is MRI and what does it measure
a) Magnetic resonance imaging, brain structure
b) Magentic resonance imaging, brain function
c) Mental Reasoning imaging, brain structure
d) Mental Reasoning imaging, brain function
What is pure insertion?
a) addition of multiple cognitive processes into another set of cognitive processes without affecting the functioning of the rest
b) addition of a single cognitive process into another set of cognitive processes without affecting the functioning of the rest
c) the surgical insertion of a single electrode into the cortex of a rodent
d) the surgical insertion of a single electrode into the cortex of a human
What is the voltage of a resting neuronal potential
a) 0
b) -7
c) 70
d) -60
Which of the following options are not considered an acceptable usage of Positron Emission Tomography (PET)?
a) Measuring glucose metabolism
b) Examining aspects of dopamine neurotransmission
c) Detection of brain rhythms
d) Accumulation of amyloid beta protein
Which technique can be used to study physiology and neuroplasticity of motor cortex?
a) Electroencephalography (EEG)
b) Transcranial Magnetic Stimulation (TMS)
c) Positron Emission Tomography (PET)
d) X-ray
In the context of Event-related potentials (ERPs), Signal averaging is commonly used in the recording because it reduces the magnitude of
a) Random signals
b) Large signals
c) Sensory evoked potentials
d) Brain Rhythms
An EMG measures:
a) Electrical activity in the heart
b) Electrical activity in the brain
c) Electrical activity in your visual cortex
d) Electrical activity in your muscles
What does “EEG” stand for?
a) Electric energy graph
b) Electroencephalography
c) Encephalitic emotion graph
d) Excitatory Engagement Generator
A person is lying inside a scanner, taking part in an experiment after an injection of a radioactive ligand. This person is
a) a fMRI study
b) a PET study
c) a MEG study
d) an EEG study
Which of the following examined the structure of the brain, rather than brain activation?a
a) PET
b) MRI
c) fMRI
d) EEG
What does “MRI” stand for?
a) Magneto-Ray Idometry
b) Medical Radiometry Instrument
c) Magnetic Resonance Imaging
d) Maximal Radiology Imaging
What does the Electroencephalography (EEG) measure?
a) It detects electrical activity in your brain via electrical impulses
b) It detects electrical activity in the skeletal muscles.
c) It reveals information about both the structure and function of cells and tissues in the body through radioactive traces.
d) It detects electricity in the brains cortices
Which of the following is not an invasive measure?
a) Lesions
b) Micro-stimulation
c) Recording
d) Tomography (TMG)
Which of the brain scanning techniques requires the injection of radioactive ligands?
a) Positron Emission Tomography & Transcranial Magnetic Stimulation
b) Electroencephalography
c) Positron Emission Tomography
d) Transcranial Magnetic Stimulation
What is one advantage on EEG over other brain imaging techniques?
a) High temporal resolution
b) Able to identify the distribution of specific brain molecules
c) Can elicit motor evoked potentials
d) High spatial resolution