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Related Concept Videos

Thermosensation01:43

Thermosensation

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Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
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Assessing Body Temperature - Temporal Artery01:19

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Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.  
Step 3: Assess the patient's...
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Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

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Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
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Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

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Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
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Decreased Body Temperature01:29

Decreased Body Temperature

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A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
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Related Experiment Video

Updated: Feb 22, 2026

Method for Simultaneous fMRI/EEG Data Collection during a Focused Attention Suggestion for Differential Thermal Sensation
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Cold-Blooded Attention: Finger Temperature Predicts Attentional Performance.

Rodrigo C Vergara1, Cristóbal Moënne-Loccoz2, Pedro E Maldonado1

  • 1Departmento de Neurociencia & Biomedical Neuroscience Institute, Facultad de Medicina, Universidad de ChileSantiago, Chile.

Frontiers in Human Neuroscience
|September 29, 2017
PubMed
Summary

Finger temperature changes predict alertness and performance on attention tasks, offering a new way to prevent unsafe behaviors. This peripheral temperature measure is a better indicator than environmental temperature.

Keywords:
attentionautonomic responsebody temperaturecognitionworkload

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Area of Science:

  • Human physiology
  • Occupational safety
  • Cognitive science

Background:

  • Thermal stress impairs attention and increases unsafe behaviors in industrial and driving settings.
  • Environmental temperature safety standards are difficult due to task-dependent variations in thermal effects.
  • Focusing on body temperature offers a potential solution to thermoregulatory and attentional challenges.

Purpose of the Study:

  • To investigate peripheral body temperature as a predictor of attentional performance.
  • To identify reliable physiological markers for alertness and potential unsafe behaviors.
  • To bypass the complexities of environmental temperature in safety assessments.

Main Methods:

  • Measured tympanic, forehead, finger, and environmental temperatures during attentional tasks.
  • Included a baseline rest period and three tasks: continuous performance task (CPT), flanker task (FT), and counting task (CT).
  • Utilized multiple linear regression to identify predictors of task performance.

Main Results:

  • Finger temperature decreased during task engagement but not during relaxation.
  • No significant changes were observed in tympanic or forehead temperatures.
  • The magnitude of finger temperature change was the best predictor of performance across all attentional tasks.

Conclusions:

  • Peripheral finger temperature is a superior predictor of attentional performance compared to environmental temperature.
  • Finger temperature can serve as a practical tool to assess alertness and prevent accidents.
  • This research supports using peripheral temperature monitoring for enhanced safety in demanding tasks.