Neuroscience Methods Flashcards by Lucy Cesana

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Q

What are the following methods that study the human nervous system?

A

Computed Tomography (CT)
Magnetic Resonance Imaging (MRI and fMRI)
Position Emission Tomography (PET)
Transcranial Magnetic Brain Stimulation (TMS)
Electromyography (EMG)

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Q

What is the function of a CT?

A

Involves x-ray beam and digital x-ray sensory within scanner
2D or 3D images of brain and nervous system.

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Q

What is the function of a MRI

A

Involves strong magnetic fields and radio waves.
2D or 3D images.
Preferred imaging method in clinical/research settings.

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Q

What is the function of a Functional MRI (fMRI)?

A

Involves strong magnetic field and radio waves
Creates moving images
1) Blood-oxygen level
2) Diffusion tensor imaging
3) Magnetic resonance spectroscopy

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Q

What is function of a Positron Emission Tomography (PET)?

A

Injects a positron-emitting radionuclide to produce 3D images of functional processes in body.

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Q

What is function of Transcranial Magnetic Brain Stimulation?

A

Generates artificial movement commands/action potential for brief muscle contraction
Investigates pathway for motor cortex to muscle

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Q

What is the function of electromyography?

A

Measures how people perform a movement

- Record muscle activity from surface of skin or inside muscle

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