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When I was asked to give an impromptu short talk and then count backwards in steps of 17 – while facing a trio of unknown individuals – the sudden tension was evident in my expression.

The reason was that psychologists were filming this rather frightening situation for a scientific study that is examining tension using heat-sensing technology.

Stress alters the blood flow in the face, and scientists have discovered that the drop in temperature of a person's nose can be used as a measure of stress levels and to track recuperation.

Infrared technology, based on researcher findings behind the study could be a "game changer" in stress research.

The Experimental Stress Test

The research anxiety evaluation that I underwent is precisely structured and purposely arranged to be an discomforting experience. I came to the research facility with minimal awareness what I was in for.

Initially, I was instructed to position myself, unwind and experience white noise through a set of headphones.

Up to this point, very peaceful.

Subsequently, the investigator who was conducting the experiment introduced a group of unfamiliar people into the room. They collectively gazed at me silently as the investigator stated that I now had three minutes to prepare a brief presentation about my "ideal career".

When noticing the warmth build around my throat, the researchers recorded my complexion altering through their heat-sensing equipment. My nose quickly dropped in heat – showing colder on the infrared display – as I considered how to bluster my way through this impromptu speech.

Research Findings

The researchers have performed this equivalent anxiety evaluation on 29 volunteers. In every case, they observed the nasal area decrease in warmth by a noticeable amount.

My facial temperature decreased in warmth by a small amount, as my biological response system shifted blood distribution from my nose and to my eyes and ears – a physical reaction to enable me to observe and hear for hazards.

The majority of subjects, similar to myself, returned to normal swiftly; their nasal areas heated to normal readings within a short time.

Head scientist noted that being a reporter and broadcaster has probably made me "quite habituated to being placed in tense situations".

"You are used to the camera and talking with unfamiliar people, so it's probable you're relatively robust to social stressors," the researcher noted.

"Nevertheless, even people with your background, experienced in handling anxiety-provoking scenarios, shows a bodily response alteration, so which implies this 'nasal dip' is a consistent measure of a altering tension condition."

Tension Regulation Possibilities

Stress is part of life. But this finding, the experts claim, could be used to aid in regulating negative degrees of anxiety.

"The period it takes a person to return to normal from this nasal dip could be an reliable gauge of how well an individual controls their stress," noted the lead researcher.

"When they return exceptionally gradually, could this indicate a risk marker of psychological issues? Is it something that we can do anything about?"

Because this technique is non-intrusive and records biological reactions, it could also be useful to observe tension in babies or in people who can't communicate.

The Calculation Anxiety Assessment

The second task in my stress assessment was, personally, even worse than the opening task. I was told to calculate backwards from 2023 in steps of 17. A member of the group of three impassive strangers interrupted me each instance I made a mistake and told me to begin anew.

I acknowledge, I am poor with doing math in my head.

During the awkward duration trying to force my mind to execute arithmetic operations, the only thought was that I wished to leave the progressively tense environment.

During the research, just a single of the numerous subjects for the anxiety assessment did genuinely request to depart. The others, comparable to my experience, accomplished their challenges – likely experiencing varying degrees of embarrassment – and were compensated by an additional relaxation period of ambient sound through earphones at the end.

Primate Study Extensions

Possibly included in the most remarkable features of the technique is that, since infrared imaging record biological tension reactions that is natural to many primates, it can furthermore be utilized in non-human apes.

The scientists are actively working on its application in habitats for large monkeys, including chimpanzees and gorillas. They seek to establish how to reduce stress and enhance the welfare of creatures that may have been removed from traumatic circumstances.

Scientists have earlier determined that presenting mature chimps recorded material of infant chimps has a calming effect. When the scientists installed a visual device adjacent to the protected apes' living area, they saw the noses of creatures that observed the content increase in temperature.

So, in terms of stress, observing young creatures engaging in activities is the contrary to a surprise job interview or an spontaneous calculation test.

Future Applications

Employing infrared imaging in monkey habitats could turn out to be valuable in helping rehabilitated creatures to adjust and settle in to a unfamiliar collective and unknown territory.

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