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Related Concept Videos

Pain01:20

Pain

1.7K
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...
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Blood and Nerve Supply to the Bones01:29

Blood and Nerve Supply to the Bones

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Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical long bone has three main sources: the nutrient artery, the metaphyseal and epiphyseal arteries, and the periosteal arteries.
Nutrient Artery
The nutrient artery is the main blood vessel that enters the diaphysis via the nutrient foramen. While most long bones have only one nutrient foramen, large bones, such as the femur, may have two. This...
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Nociception01:44

Nociception

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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.
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Analgesia and Pain Management01:25

Analgesia and Pain Management

2.6K
Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
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Brain Waves01:23

Brain Waves

4.5K
Brain waves are electrical signals generated by the neurons in the brain, which are regularly monitored to measure mental activities. Brain waves and their frequency ranges can be measured using an electroencephalogram or EEG. There are four main types of brain waves, each with distinct characteristics:
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Primary Motives: Sleep, Sex, and Pain Avoidance01:24

Primary Motives: Sleep, Sex, and Pain Avoidance

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Primary motives such as sleep, sex, and pain avoidance are crucial drivers of behavior in humans and animals. These motives ensure survival, reproductive success, and overall well-being by prompting actions that meet essential bodily needs.
Sleep is a fundamental physiological drive that fosters a state of restfulness crucial for several bodily functions. It facilitates body restoration, the process by which the body repairs, rejuvenates, and maintains itself during sleep, including memory...
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Related Experiment Video

Updated: Mar 9, 2026

Psychophysically-anchored, Robust Thresholding in Studying Pain-related Lateralization of Oscillatory Prestimulus Activity
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Brain Rhythms of Pain.

Markus Ploner1, Christian Sorg2, Joachim Gross3

  • 1Department of Neurology and TUMNeuroimaging Center, Technische Universität München, Munich, Germany.

Trends in Cognitive Sciences
|December 28, 2016
PubMed
Summary

Brain oscillations are key to understanding pain. New frameworks suggest these brain rhythms help route information, impacting how we process pain and potentially leading to better chronic pain treatments.

Keywords:
braininformation flowoscillationspainpredictive coding

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Area of Science:

  • Neuroscience
  • Pain Research
  • Computational Neuroscience

Background:

  • Pain perception involves complex interactions between sensory input and contextual factors like cognition and emotion.
  • Neuronal oscillations and synchrony at various frequencies are observed in the brain during pain experiences.
  • A comprehensive framework explaining the role of brain oscillations in pain processing is currently lacking.

Purpose of the Study:

  • To explore the significance of neuronal oscillations in the context of pain perception.
  • To apply recent concepts of information flow and prediction signaling to the understanding of pain.
  • To provide a framework for how brain oscillations coordinate diverse processes contributing to the pain experience.

Main Methods:

  • Review and synthesis of current literature on neuronal oscillations and pain.
  • Application of information routing and predictive coding theories to pain mechanisms.
  • Conceptual framework development based on existing neuroscience principles.

Main Results:

  • Neuronal oscillations may play a crucial role in information flow routing within the brain during pain.
  • Different oscillation frequencies could be involved in signaling predictions and prediction errors related to pain.
  • A framework is proposed where flexible information routing coordinated by oscillations integrates sensory and contextual pain components.

Conclusions:

  • Understanding brain oscillations and their role in information routing offers new insights into the integrative nature of pain.
  • This framework may illuminate the mechanisms underlying chronic pain.
  • Further research applying these concepts could inform novel therapeutic strategies for pain management.