A neuroscience demonstration.
At the east end of the University of Arizona’s 7.5 acre grass mall is a Carolina sphinx moth fit snug in a blue plastic tube with its insect head sticking out. Two electrodes, one placed on the left eye and the other in a tiny clear plastic tube surrounding the moth’s right antenna. The electrodes are hooked up to a portable screen that displays the measured electrical activity of the moth’s antenna. Each antenna houses a quarter million primary sensory neurons that allow the moth to sense its environment. In this case, the environment happens to be engulfed in the smoky smell of barbecued ribs coming from the BrushFire’s BBQ co. tent next door. Continue reading