Lecture 3 - Brain and Nervous System

Question 1

What has the higher spatial and temporal resolution, TES or TMS?

Answer 1

TMS

Question 2

What is cheap and easy, what is expensive and difficult, TES or TMS?

Answer 2

TES is cheap and easy.

TMS is expensive and difficult.

Question 3

How much of the body’s energy does the brain consume?

Answer 3

~25%

Question 4

What is the central nervous system made up of?

Answer 4

The brain and spinal cord

Question 5

What is the peripheral nervous system made up of?

Answer 5

The somatic and autonomic nervous systems.

Question 6

What are afferent and efferent signals?

Answer 6

Afferent signals come from the body to the spinal cord and brain.
Efferent signals come from the brain and spinal cord to the body.

Question 7

What is tDCS/tACS?

Answer 7

transcranial direct current stimulation/transcranial alternating current stimulation

Question 8

What is GVS?

Answer 8

Galvanic vestibular stimulation - sending specific electric messages to a nerve in the ear that maintains balance