There's now scientific evidence on one of dogs' impressive skills in a long list of endearing traits: the ability to smell when you're stressed.
There's now scientific evidence shedding more light on one of dogs' impressive skills in a long list of endearing traits: the ability to smell when you're stressed.
People are also reading… "If the participant gave a correct answer, they were given no feedback and were expected to continue, and if they gave an incorrect answer the researcher would interrupt with 'no' and tell them their last correct answer," said lead study author Clara Wilson, a doctoral candidate at Queen's University Belfast in Northern Ireland.
"It was fascinating to see how able the dogs were at discriminating between these odors when the only difference was that a psychological stress response had occurred," she said. Twenty pet dogs were recruited from around Belfast, Northern Ireland, and four completed the entire study. All dogs have a strong sense of smell, but spaniels, terriers and lurchers would have likely used their olfactory receptors more regularly as hunting dogs, Freeman said. This could have been a factor in their success in the study, or it might be coincidental because other breeds like retrievers have excellent smelling skills as well.
These findings also open the door to future research to investigate if dogs can discriminate between emotions, plus how long the odors are detectable, she said.
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