Brain Flashcards
1
Q
Upper motor neurons that control skeletal muscles begin with the soma in the __________
A
precentral gyrus of the cerebrum
2
Q
The lateral sulcus of the cerebrum
what part of the cerebrum houses the somesthetic center of the post central gyrus?
A
Parietal lobe
3
Q
Old brain definition and functions
A
- Areas that evolved first
- Respiration + cardiovascular control
4
Q
Why is 90% of cerebral cortex referred to as the neocortex?
A
It developed recently evolutionarily when mammals diversified
5
Q
CSF Functions
A
- Support brain weight
- Cushion brain
- provide stable chemical environment
- provide a medium of gaseous exchange between the brain and circulatory systems
6
Q
Every sense except for olfaction goes through the
A
Thalamus
7
Q
Cerebellum
A
- coordination
- motor skills
8
Q
Limbic system
A
- ## feelings of peace, fear, anger
9
Q
Commissural tracts
A
Fiber tract within the brain that crosses from one cerebral hemisphere to the other
