All blinking characters on the screen blink in sync. He communicated by wiggling his fingers and blinking his eyes. Aircraft parts and blinking lights were added for effect. Reeves was blinking his eyes and shaking his head as the referee counted him out. The object appeared to be a blinking light. They also developed a communication system based on him blinking his eyes. Common tics are blinking, coughing, throat clearing, sniffing, and facial movements. The robot expressed some personality by blinking and smiling. Another example is blinking to relieve an uncomfortable sensation in the eye. The main symptoms involve involuntary blinking and chin thrusting. It can mimic such lifelike functions as blinking, speaking, and breathing. For single-particle tracking, the irregular blinking of quantum dots is a minor drawback. Coughing, blinking, and tics that mimic unrelated conditions such as asthma are commonly misdiagnosed. The design is intended to control its interface by blinking an eye. There are multiple muscles that control reflexes of blinking.