Performing Calculations Mentally Really Makes Me Tense and Studies Demonstrate This

After being requested to give an impromptu five-minute speech and then count backwards in steps of 17 – all in front of a panel of three strangers – the intense pressure was visible in my features.

Heat mapping showing anxiety indicator
The cooling effect in the nose, visible through the infrared picture on the right, occurs since stress affects our blood flow.

This occurred since researchers were documenting this quite daunting scenario for a investigation that is analyzing anxiety using heat-sensing technology.

Stress alters the circulation in the countenance, and experts have determined that the thermal decrease of a subject's face can be used as a gauge of anxiety and to observe restoration.

Heat mapping, according to the psychologists behind the study could be a "revolutionary development" in anxiety studies.

The Research Anxiety Evaluation

The experimental stress test that I participated in is precisely structured and purposely arranged to be an unexpected challenge. I arrived at the university with little knowledge what I was in for.

To begin, I was instructed to position myself, calm down and hear white noise through a audio headset.

Thus far, quite relaxing.

Then, the investigator who was running the test invited a group of unfamiliar people into the space. They each looked at me without speaking as the scientist explained that I now had a brief period to prepare a brief presentation about my "perfect occupation".

As I felt the temperature increase around my throat, the researchers recorded my complexion altering through their heat-sensing equipment. My nose quickly dropped in heat – appearing cooler on the infrared display – as I contemplated ways to manage this unplanned presentation.

Research Findings

The scientists have carried out this identical tension assessment on 29 volunteers. In all instances, they saw their nose decrease in warmth by a noticeable amount.

My nasal area cooled in heat by two degrees, as my physiological mechanism pushed blood flow away from my face and to my visual and auditory organs – a bodily response to help me to look and listen for danger.

Most participants, similar to myself, returned to normal swiftly; their nasal areas heated to baseline measurements within a few minutes.

Lead researcher stated that being a reporter and broadcaster has probably made me "quite habituated to being subjected to tense situations".

"You are used to the filming device and conversing with strangers, so it's probable you're somewhat resistant to interpersonal pressures," the researcher noted.

"But even someone like you, accustomed to being tense circumstances, shows a physiological circulation change, so which implies this 'nasal dip' is a robust marker of a altering tension condition."

Facial heat changes during anxiety-provoking events
The temperature decrease happens in just a short time when we are highly anxious.

Anxiety Control Uses

Tension is inevitable. But this revelation, the researchers state, could be used to aid in regulating harmful levels of anxiety.

"The duration it takes someone to recover from this temperature drop could be an reliable gauge of how effectively an individual controls their stress," noted the head scientist.

"Should they recover unusually slowly, could this indicate a potential indicator of psychological issues? Is it something that we can do anything about?"

As this approach is non-intrusive and measures a physical response, it could furthermore be beneficial to monitor stress in newborns or in individuals unable to express themselves.

The Mathematical Stress Test

The second task in my stress assessment was, personally, even worse than the initial one. I was instructed to subtract sequentially decreasing from 2023 in steps of 17. Someone on the panel of unresponsive individuals stopped me every time I calculated incorrectly and told me to start again.

I admit, I am bad at doing math in my head.

While I used uncomfortable period attempting to compel my mind to execute arithmetic operations, my sole consideration was that I desired to escape the increasingly stuffy room.

In the course of the investigation, merely one of the numerous subjects for the stress test did actually ask to leave. The remainder, similar to myself, completed their tasks – likely experiencing assorted amounts of discomfort – and were compensated by a further peaceful interval of ambient sound through audio devices at the conclusion.

Non-Human Applications

Possibly included in the most unexpected elements of the technique is that, since infrared imaging monitor physiological anxiety indicators that is innate in many primates, it can also be used in non-human apes.

The investigators are currently developing its application in refuges for primates, such as chimps and gorillas. They seek to establish how to decrease anxiety and improve the wellbeing of primates that may have been removed from traumatic circumstances.

Chimpanzee research using infrared technology
Monkeys and great apes in refuges may have been removed from harmful environments.

The team has already found that showing adult chimpanzees recorded material of infant chimps has a soothing influence. When the researchers set up a visual device adjacent to the rescued chimps' enclosure, they saw the noses of creatures that observed the material warm up.

So, in terms of stress, watching baby animals interacting is the opposite of a unexpected employment assessment or an spontaneous calculation test.

Coming Implementations

Implementing heat-sensing technology in primate refuges could prove to be valuable in helping rehabilitated creatures to become comfortable to a new social group and strange surroundings.

"{

Mark Sanford
Mark Sanford

Tech enthusiast and writer passionate about emerging technologies and their impact on society.

October 2025 Blog Roll
June 2025 Blog Roll