The brain

Cards (12)

How does an MRI scan map the brain?
It reflects back an image based on density
What are the positives of an MRI scan?
The results are useful to professionals and easy to carry out
What are the negatives of an MRI scan?
They are uncomfortable and the equipment is expensive
How does dissection work?
The brain is physically dissected
What are the positives of dissection?
Scientists can see what is happening in the brain
What are the negatives of dissection?
It requires the patient's consent when they are alive and the patient has to be dead for it to take place
How does electrical stimulation work?
Attaching electrodes to the brain and stimulating it to see responses
What are the positives of electrical stimulation?
It happens during surgery and shows live responses
What are the negatives of electrical stimulation?
The surgery is invasive and could stimulate the wrong part of the brain
What is the cerebral cortex responsible for?
Consciousness, intelligence, memory and language
What is the cerebellum responsible for?
Muscle coordination
What is the medulla responsible for?
Controls unconscious activities like breathing and the heartbeat