Voltage Changes During Neuron Impulse: 3rd Neuro Drawing

January 26, 2012 at 4:12 pm | Posted in action potential, Art, drawings, Kristin Bell, Mental Health, Mental Illness, neuron, neuron impulse, neuroscience, resting potential, voltage changes | Leave a comment

This is my third drawing for neuroscience class and it is showing the voltage changes and what is going on during the time when a neuron fires. The resting potential is about -70 millivolts, it shoots up to about +30 millivolts and then comes back down below the resting potential before it returns to the resting potential of -70 mV. This all happens in about 1-5 milliseconds depending on the particular neuron. FAST! :) Oh, also keep in mind that we have about 100-500 BILLION neurons in our heads too and nine times as many glial cells!!!

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