1. A multichannel microwire electrode array for acquiring neural signals from a plurality of single neurons comprising: (a) a plurality of microwire electrodes; (b) one or more printed circuit boards in electrical connection with the microwire electrodes, the one or more printed circuit boards comprising: (i) a plurality of conductive traces spaced apart about 0.015 inches (center to center) or less; and (ii) a plurality of conductive pads in electrical connection with the conductive traces; and (c) one or more connectors in electrical connection with the conductive pads and having contacts spaced apart about 0.030 inches or less.