Why Do We Talk to Pets Like Babies?

What this episode covers

This episode explores why people instinctively use a high-pitched, affectionate “baby voice” when talking to pets. Known as pet-directed speech, this communication style resembles the way adults speak to infants. It likely comes from the human caregiving system, which is activated when we see traits like big eyes, playful behavior, and dependency — features many animals share with babies. Animals, especially dogs, respond strongly to this tone because they are highly sensitive to emotional cues in human voices. The warm, exaggerated speech helps capture their attention and strengthens communication. Interactions like this also release oxytocin — the bonding hormone — in both humans and animals, deepening emotional connection. Ultimately, talking to pets like babies reflects a natural human instinct to nurture, connect, and build companionship with other living beings.

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