Dogs Blinked More When They Saw Their Owners Blink, Study Finds

Dogs blinked more often while watching videos of their own owners blinking, according to a new study from the University of Parma. The finding suggests that a tiny facial movement may be affected by who a dog is watching and what that person is doing.

The study does not show that dogs were deliberately sending a message. It also does not show that dogs copied each blink at the same moment. The researchers describe blinking first as a normal action that protects and moistens the eye, with a rate that may also respond to social context.

How the researchers tested blinking

The researchers showed 35 dogs two sets of short videos. In one set, the dog's owner and two unfamiliar people blinked regularly while looking ahead. In the other set, the same people held a still gaze without blinking. Using recorded sessions, the team counted the dogs' eyelid movements frame by frame.

Video helped the team separate blinking from speech, gestures and other parts of a live interaction. It also created a limitation. A prerecorded person cannot respond to a dog, so the setup did not reproduce a natural conversation between a dog and an owner.

Familiarity changed the result

The clearest difference appeared when dogs watched their own owners. Their blink rates were higher when the owner blinked than when the owner kept a still gaze. The researchers did not find the same effect with the unfamiliar people in the videos.

That difference is why the authors point to social relevance rather than blinking alone. The study suggests that the identity of the person mattered to the dogs' response. It does not establish what the dogs felt or what any individual blink meant.

The dogs did not blink in exact sync

The team also checked whether a dog was especially likely to blink shortly after the person on screen blinked. It found no significant evidence of that precise timing. A higher overall blink rate and exact moment by moment copying are different findings.

Possible explanations include attention, automatic mimicry and broader social processes. The study was not designed to choose one of those explanations as the final answer. More work using live, responsive interactions would be needed to test them.

What dog owners should take from the study

The useful takeaway is modest. Dogs pay close attention to human faces, and even a small movement may be processed differently when it comes from a familiar person. This does not create a new test for a dog's mood, bond or intentions.

A single blink should not be read in isolation. Posture, movement, the setting and what happened immediately before it all matter when trying to understand a dog. The new paper adds one controlled result to that larger picture rather than providing a blink dictionary.

How we reported this: Buddylio reviewed the named sources, checked the organizations and figures shown above, and added context for animal lovers. Any illustration is labeled and does not depict the actual animals or scene. Articles are editorial content, not veterinary advice.