Myelinated neurons carry current faster (the current skips over the Nodes of Ranvier and just has to travel down the bare portions of the axon). Another thing that affects speed of electrical transmission is the size of neuron: bigger neurons carry current faster (expand the freeway to add extra lanes, you will get home faster).
{"Image DocumentName": "Myelinated neurons carry current faster (the current skips over the Nodes of Ranvier and just has to travel down the bare portions of the axon). Another thing that affects speed of electrical transmission is the size of neuron: bigger neurons carry current faster (expand the freeway to add extra lanes, you will get home faster).", "Image ImageDescription": "Conductivity means the permeability. If conductivity increases, it means that permeability increased. Ions diffuse at a faster rate when there is less resistance. The more resistance there is, the less conductivity, and less resistance will cause more conductivity. Myelin reduces resistance because it makes electrical charges move faster.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}