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Related Concept Videos

Pain01:20

Pain

Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
Nociception01:44

Nociception

Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain. Thus, pain helps the...
Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the stimulus...
Empathy02:34

Empathy

Some researchers suggest that altruism operates on empathy. Empathy is the capacity to understand another person’s perspective, to feel what he or she feels. An empathetic person makes an emotional connection with others and feels compelled to help (Batson, 1991). Empathy can be expressed in several ways, including cognitive, affective, and motor.
Perception01:28

Perception

Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Parallel Processing01:20

Parallel Processing

The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...

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Related Experiment Video

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Multi-Modal Signals for Analyzing Pain Responses to Thermal and Electrical Stimuli
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Multi-Modal Signals for Analyzing Pain Responses to Thermal and Electrical Stimuli

Published on: April 5, 2019

Perceiving pain in others: validation of a dual processing model.

Kalie N McCrystal1, Kenneth D Craig, Judith Versloot

  • 1University of British Columbia, Vancouver, BC, Canada Universiteit van Amsterdam and Vrije Universiteit, Amsterdam, The Netherlands.

Pain
|March 11, 2011
PubMed
Summary

People perceive pain through automatic and controlled expressions. Observers categorize pain behaviors into distinct automatic, controlled, or ambiguous signals, aligning with dual-process theories of perception.

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Last Updated: Jun 3, 2026

Multi-Modal Signals for Analyzing Pain Responses to Thermal and Electrical Stimuli
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Determining Pain Detection and Tolerance Thresholds Using an Integrated, Multi-Modal Pain Task Battery
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Dynamic Quantitative Sensory Testing to Characterize Central Pain Processing
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Dynamic Quantitative Sensory Testing to Characterize Central Pain Processing

Published on: February 16, 2017

Area of Science:

  • Cognitive Neuroscience
  • Social Psychology
  • Pain Perception

Background:

  • Accurate perception of another person's pain relies on recognizing both unintentional (automatic) and intentional (controlled) behavioral cues.
  • Cognitive neuroscience suggests distinct neuroregulatory processes underlie automatic and controlled behaviors.

Purpose of the Study:

  • To investigate how observers categorize diverse behavioral cues of pain expression.
  • To determine if these categorizations align with dual-process theories distinguishing automatic and controlled responses.

Main Methods:

  • Online survey methodology with 308 participants rating 39 PROMIS pain behavior items on dimensions like goal-directedness, consciousness, and intentionality.
  • Exploratory and confirmatory factor analyses were used to identify underlying structures in the rated behaviors.

Main Results:

  • Factor analyses supported the distinction between "controlled" (e.g., verbal, instrumental) and "automatic" (e.g., facial expressions, paralinguistic features) pain behaviors.
  • A third "ambiguous" category of behaviors was also identified.

Conclusions:

  • Observers implicitly categorize pain cues into automatic, controlled, and ambiguous domains, consistent with dual-process theories.
  • This categorization reflects underlying cognitive processes for interpreting social signals of distress.