WEEK 1, T1, introduction Flashcards
1
Q
Who was the fathor of modern neuroscience?
A
- Ramon u Cajal
- 1900’s
- detailed descriptions of neural cells and their connections
- evidence for neuron doctrine
2
Q
Who discovered the synapse?
A
- Sherrington
- 1920’s
through reflexes in the spinal cord
3
Q
Who discovered the nerve impulses?
A
- Adrian
- 1920’s
- strech out a frog leg —> electrical impulse
- concluded discrete nerve pulses
- spikes
4
Q
Who invented the EEG?
A
- Hans Berger
- 1924
5
Q
Who invented the action potential?
A
- Hodkin & Huxley
- 1952
- used the squid giant axon
- one of the greatest achievements in neuroscience of 20th century
6
Q
Name 2 excitatory neurotransmitters:
A
- acetylcholine
2. glutamate
7
Q
Name 2 inhibitory neurotransmitters:
A
- GABA
2. Glycine
8
Q
Name 3 modulatory neurotransmitters:
A
- Dopamine
- Norephinephrine
- Seretonin
9
Q
How does dopamine mainly affect the mood?
A
- pleasure
- reward
- motivation/drive
10
Q
How does seretonin mainly affect the mood?
A
- obsessions
2. Compulsions memory
11
Q
How does norepinephrine mainly affect the mood?
A
- Altertness
- concentration
- energy
12
Q
How many neurons are there?
A
12*10^9 neurons
13
Q
how much does a brain weigh?
A
about 1.5 kg
14
Q
how much oxygen does the brain needs?
A
about 20% of total body consumption