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[HEALTH] · Austria, Germany, Greece, South Korea, United States · 14 sources

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Scientific studies reveal advanced emotional intelligence in dogs

Recent scientific studies have provided deep insights into canine cognition, emotional intelligence, and behavioral patterns. Research from the University of Vienna using functional MRI scans reveals that dogs can differentiate between various human facial expressions. Specifically, happy faces trigger increased activity in the temporal cortex and caudate nucleus, suggesting that human joy has emotional significance for dogs, similar to how food activates reward centers.

Further neurological analysis shows that dogs can distinguish between different negative emotions, such as fear, anger, and sadness, using distinct brain activity patterns. This ability is believed to be a result of domestication, which favored social skills to facilitate cooperation with humans.

Other studies highlight the sensory capabilities of dogs. Research from Queen’s University Belfast demonstrated that dogs can detect physiological changes in humans, such as stress, through shifts in volatile organic compounds in breath and sweat, achieving a 93.75% accuracy rate in controlled tests. Additionally, researchers at the University of Bern have investigated behavioral addiction in highly motivated dogs, noting that approximately one-third of tested subjects showed patterns similar to human addiction when access to preferred stimuli was restricted.

Behavioral observations also note that dogs use scent and temperature regulation to manage comfort, often changing sleeping locations to find cooler surfaces or human scents for security. They also utilize a nuanced vocal vocabulary, where sounds like growls or whines convey specific emotional states beyond simple alerts.

Entities

Alja Mazzini · Laura Cuaya · Nicolas Malebranche · Queen’s University Belfast · René Descartes · University of Bern · University of Vienna · iScience

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