Biopsychology Flashcards
1
Q
The two different flows of neural information are…
A
Afferent and Efferent
2
Q
Afferent
A
- information comes into the CNS (incoming information)
— Sensory (incoming) pathways are afferent
3
Q
Efferent
A
- information leaves the CNS (outgoing information)
— Motor (outgoing) pathways are efferent
4
Q
What are the three layers of protective tissue in the Meninges? (part of the physical protection of the brain)
A
Dura mater, Arachnoid layer, Pia mater.
5
Q
Dura Mater
A
“hard mother”; tough outer layer of fibrous tissue.
6
Q
Arachnoid layer
A
“like a spider’s web”; thin sheet of delicate connective tissue.
7
Q
Pia mater.
A
“soft mother”; moderately tough inner layer that clings to the brain’s surface.
8
Q
How is the brain chemically protected?
A
There is a blood-brain barrier which consists of tightly-packed cells of blood vessel walls that prevent entry of many molecules.
9
Q
A
