Oct 8: Parkinson's Flashcards
(9 cards)
1
Q
Key neurotransmitter in Parkinson’s (PD)
A
Dopamine
2
Q
Dopamine is both a ______ and a ________
A
Dopamine: both a neurotransmitter and hormone (different effects depending on where it’s sent, what its interacting with)
3
Q
What type of neurotransmitter (NT) is dopamine, and what does it do re: movement?
A
Dopamine =
- inhibitory NT - regulates complex movements
- helps to produce smooth and controlled movements
4
Q
What are other roles of dopamine as an NT?
A
Memory, reward and motivation, bx and cognition, attention, mood, learning
5
Q
when do PD tremors occur?
A
- occurs at rest, improves with purposeful movement, or while asleep
6
Q
PD stiffness/rigidity: how many PD pts experience this?
A
- all PD patients experience some form of rigidity
7
Q
what is lead pipe rigidity?
A
lead pipe rigidity = constant, unchanging stiffness in a certain body part
8
Q
what is cogwheel rigidity?
A
- cogwheel rigidity = jerky type movements
9
Q
A
