At Rest
-5omV to -85mV
What is the resting membrane potential of the neuron?
A rapid depolarization of the resting membrane potential; salty.
What are Na+ ions?
Connections made; number in the trillions
What is the synapse?
86 to 150 billion
How many neurons are in the brain?
Highly concentrated on the inside.
What is K+?
An increase in the membrane potential.
What is a hyperpolarization?
Integrates information
What are the dendrites?
The nucleus accumbens; you better pay attention.
Sets up a concentration gradient.
What is the sodium potassium pump?
Small changes in the membrane potential; immediately follow an AP.
What is an afterpotential?
Janitorial Services; "tiny"
What are microglia?
What is the arachnoid layer? What is a layer of the meninges?
Drive ionic movement.
What are electrostatic pressure and diffusion?
It either does or does not.
What is the "all-or-none" property?
multipolar and very large; movement.
What are motorneurons?
Exogenous; 5HT production; Seinfeld.
What is tryptophan?
The equilibrium potential of K+.
What is the resting membrane potential?
Speed conduction velocity.
What are the myelin sheaths?
Are typically inhibitory connections.
4 credit cards thick; woof woof.
What is the thickness of the adult human cortex?