L1 Intro

Question 1

What is synaptic plasticity

Answer 1

ability of synapses to change their strength

Question 2

How is strength of synapse measured

Answer 2

ability of presynaptic terminal to change post synaptic potential

Question 3

What is long term potentiation

Answer 3

increased synaptic strength due to repeated stimulation

Question 4

What is an EPSP

Answer 4

excitatory post synaptic potential

Question 5

What is input specificity

Answer 5

only active inputs show synaptic plasticity

Question 6

What is declarative memory

Answer 6

conscious recall

Question 7

What is NMDA

Answer 7

glutamate receptor

Question 8

Rises in what are linked to LTP induction

Answer 8

post-synaptic calcium

Question 9

Where are the three main areas of the brain

Answer 9

cerebrum, cerebellum, brainstem

Question 10

What is the function of the cerebellum

Answer 10

movement control centre

Question 11

What gives rise to the 12 cranial nerves

Answer 11

brainstem

Question 12

What are the functions of the brainstem

Answer 12

reg of body temp, breathing and consciousness

Question 13

What are the three meningeal layers

Answer 13

dura mater, arachnoid membrane and pia mater

Question 14

What produces CSF

Answer 14

choroid plexus

Question 15

Which meninge adheres closely to the brain surface

Answer 15

pia mater

Question 16

What space does the CSF fill

Answer 16

subarachnoid space

Question 17

What neurotransmitters are most CNS synapses mediated by?

Answer 17

glutamate, GABA and Gly

Question 18

What are large vesicles that store soluble proteins called

Answer 18

secretory granules

Question 19

What are neurotransmitters stored in in pre-synaptic terminal

Answer 19

synaptic vesicles

Question 20

What are the three main types of neurotransmitter

Answer 20

amino acids, amines and peptides

Question 21

What type of neurotransmitter is released from secretory granules

Answer 21

peptide neurotransmitters

Question 22

What are transmitter gated ion channels function

Answer 22

generation of post synaptic potentials

Question 23

What effect does hyperpolarisation have on a membrane

Answer 23

inhibitory

Question 24

Why is hyperpolarisation inhibitory

Answer 24

neuron is less likely to fire an AP

Question 25

Which cells in the retina respond directly to light

Answer 25

photoreceptors

Question 26

What is the only source of output from the retina

Answer 26

ganglion cells

Question 27

What cells fire action potentials in the retina

Answer 27

ganglion cells

Question 28

What types of cells exist in the retina

Answer 28

photoreceptors, ganglion cells, horizontal cells, amacrine cells, and bipolar cells

Question 29

What cells are outside the direct retina pathway

Answer 29

horizontal and amacrine cells

Question 30

What is the direct pathway in retina

Answer 30

photoreceptors to bipolar cells to ganglion cells