Neural Synapse
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love the work here
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@Xshado2 Think more about diffusion and less about the charges. The charges are certainly important but so are the concentrations of ions and the permeability of the channels to each of the ions. Google the Goldman-Hodgkin-Katz equation. A good explanation of this equation may help.
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0:47 - "Thus, the action potential passes to the new cell" - makes it sound as though a single EPSP automatically results in an action potential in the postsynaptic cell, which is not true. PSP's are graded, they don't follow the all-or-nothing law like action potentials. Action potentials do not "pass" to the postsynaptic cell. Postsynaptic neurons do their own calculations aggregating info from the MANY neurons which synapse on them, and then decide whether to fire their OWN action potential.
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awsome
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Have you go a copy of the script text?
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gonna need this for tomorrow!
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@anandanaga999 roflmao!!
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Thanks! this really helped me on my biologytest!
ThunderPhil95 2 years ago 27
Inhibitory neurotransmitters don't close a post synaptic channel. They actually just increase the membrane's permeability to Cl- ions which serve as a voltage clamp preventing any further action potentials from being generated. So to say they close is incorrect. They open channels, just those specific to ions besides Na+ or Ca2+.
TiborZutron 3 years ago 9