?
?
?
?
?
?
1
2
3
4
What happens at each stage on this graph?
?
?
What is happening at each step?
Step 1
What kind of channels are these?
Step 2
What is this area called?
Voltage gated channels
What about these?
Step 3
Step 4
Chemically gated channels
Step 5
Step 6
1. Which graph represents
Excitatory postsynaptic
What is EPSP?
potential(EPSP)?
2. Which one is inhibitory
postsynaptic potential(IPSP)?
?
What is IPSP?
?
Answer
Chemical gated
Chemical
gated
ion channels:
ion channels:
Voltage-gated
ion channels
Voltage-gated
ion channels
Open when the appropriate
neurotransmitter binds to the receptor
Open and close in response
to changes in membrane voltage
1
2
3
END
SLIDE
4
back
Action potential
Cell body and dendrites
Graded potential
Axon hillock and axon
back
Graded potential
Short distance
Action potential
Long distance
back
Action potential
Graded potential
back
Graded potential
Action potential
Presentation by:
Jessica Long
Joselyn Coakley
Marsia Martin
Powerpoint by: Jessica Long
With special thanks to:
Human Anatomy and Physiology
www.myaandp.com
Dr. Hammoudi
And our wonderful audience!!
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