neurons and the brain bio psychology

Question 1

what are the gaps in the axon called ?

A- nodes of myelin
B- myelinated sheath
C- Nodes of ranvier

Answer 1

C- Nodes of ranvier

Question 2

The medulla , pons and the cerebellum are part of what part of the brain ?
A- mid brain
B - hind brain
c- fore brain

Answer 2

B-hind brain

Question 3

The superior colliculli helps to guide _____________
The ____________ is for sound location
the ________ is for dopamine pathways

A-eye movement , inferior colliculi , amygdala
B- smell , superior cortex , hippocampus
C- eye movement , inferorior colliculi , substantial nigra

Answer 3

c - The superior colliculi helps to guide EYE MOVEMENTS
the INFERIOR COLLICULI is for sound location
the SUBSTANTIA NIGRA is for dopamine pathways

Question 4

How does an EEG work ?

Answer 4

An electroencephalography measures the brain activity from the scalp of the head.
An electrode hat is worn and the activity on the scalp are measured

Question 5

What is the difference between an MRI &CT with a FMRI ?

Answer 5

the MRI AND CT scans gain an image of the anatomy and the picture of the systems whereas the FMRI is a functional imaging, to see the movements of the brain.

Question 6

What is syndactyly

Answer 6

a condition where the fingers are connected by skin tissue , they can go under surgery to separate them. before the surgery they would only use one part of the brain for moving them. after the surgery more parts were activated