nervous system and stress Flashcards
1
Q
What is a neuro transmitter?
A
A chemical substance that carries information between neurons
2
Q
Define stress
A
A psychobiological process by which we enter a state of both physiological and psychological arousal
- a response to when we believe something exceeds our ability to cope
3
Q
What is the fight - flight - freeze response
A
4
Q
Functions of cortisol
A
5
Q
Explain the bidirectional relationship between the brain and gut
A
6
Q
Define context specific effectiveness
A
7
Q
Define coping flexibility
A
8
Q
Two main roles of the somatic NS
A
- Sends sensory messages received by sensory receptors in the body to the CNS
- sends motor messages from the CNS to the body under voluntary control
9
Q
Autonomic NS
A
Concerned with internal bodily functions not usually under our conscious, voluntary control
10
Q
Sympathetic NS
A
- Dominates when we are under threat
- Activates most internal muscles, organs and glands to deal with stress or when threatened.
- Releases adrenalin, increased heart rate, dilate pupils etc. Some functions are suppressed.
11
Q
Parasympathetic NS
A
12
Q
Difference between neurotransmitters and neuromodulators?
A
13
Q
Dopamine
A
14
Q
Serotonin
A
15
Q
GABA
A
16
Q
Glutamate
A
