Heart synchronisation with dogs and how dogs know our emotions.

1. Humans and Dogs Can Synchronise Heart Rhythms Researchers studying human–dog relationships found that the heart rhythms of dogs and their owners can become synchronised when they spend calm time together. This has been observed during activities like: In some studies: This happens through something called physiological entrainment — when two biological systems begin to match patterns. It’s similar… Read More Heart synchronisation with dogs and how dogs know our emotions.

Pupil Size

This phenomenon highlights the way our autonomic nervous system reacts to emotional stimuli. Positive experiences or stimuli that elicit excitement or pleasure often activate the sympathetic nervous system, leading to pupil dilation. In contrast, negative or aversive experiences may engage the parasympathetic nervous system, resulting in pupil constriction.… Read More Pupil Size