Watching shivers makes us feel cold

WATCHING somebody shiver is enough to make us feel cold, research has found.

Volunteers who watched videos of people putting their hands in cold water found their own body temperature dropped significantly, according to the Brighton and Sussex Medical School.

The research at BSMS, run jointly by the universities of Brighton and Sussex, shows humans are susceptible to “temperature contagion”.

Dr Neil Harrison, who led the research, suggested such unconscious physiological changes may help us empathise with one another and live in communities.

He said: “Mimicking another person is believed to help us create an internal model of their physiological state, which we can use to better understand their motivations and how they are feeling.

“Humans are profoundly social creatures and much of humans’ success results from our ability to work together in complex communities.

“This would be hard to do if we were not able to rapidly empathise with each other and predict one another’s thoughts, feelings and motivations.”

Thirty-six participants each watched eight videos of actors putting their hands in either visibly warm or cold water as part of the study.

At the same time, the temperature of their own hands was measured. Participants’ hands were significantly colder when watching the “cold” videos, whereas the “warm” videos did not cause a change, the research — published in the journal PLOS ONE — showed.

Dr Harrison said: “We think that this is probably because the warm videos were less potent.

“The only cues that the water was warm was steam at the beginning of the videos and the pink colour of the actor’s hand, whereas blocks of ice were clearly visible throughout the duration of the cold video.

“There is also some evidence to suggest that people may be more sensitive to others appearing cold than hot.”