Which of these will increase the charge in a neuron relative to its surroundings?
Movement through Nat voltage-gated channels
All of these will increase the membrane potential of a neuron
Activity of the K+/Na+ pump
Movement through K+ voltage-gated channels

helicase, i think thats it

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.