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Extrasensory Perception01:23

Extrasensory Perception

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Extrasensory perception, or ESP, suggests the ability to perceive events beyond the conventional senses of sight, hearing, and touch. Parapsychologists, who research ESP and related psychic phenomena, categorize ESP into three main types: precognition, telepathy, and clairvoyance.
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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:
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Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
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Perception01:28

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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.
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Auditory Perception01:17

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The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
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Sensory Modalities01:15

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Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
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Interoception: Synthesizing Insights and Charting New Frontiers.

Alan N Simmons1, Marc Wittmann2, Irian A Strigo3

  • 1Veterans Affairs & University of California, San Diego, San Diego, CA, USA. ansimmons@health.ucsd.edu.

Current Topics in Behavioral Neurosciences
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Summary
This summary is machine-generated.

This chapter explores interoception, the sense of the body's internal state, linking it to bodily self, emotions, and time perception. Future research aims for computational models and clinical applications in various conditions.

Keywords:
Bodily selfEmotionsInsulaInteroceptionPainTime perception

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Area of Science:

  • Neuroscience
  • Psychology
  • Physiology

Background:

  • Focuses on A.D. Bud Craig's legacy in interoception research.
  • Reviews foundational neuroanatomy of temperature and pain processing.

Purpose of the Study:

  • Advance understanding of interoception across three domains: Bodily Self, Emotion, and Subjective Time.
  • Outline research goals and identify gaps in interoceptive science.

Main Methods:

  • Integrates neuroanatomical research with theoretical exploration.
  • Synthesizes findings on interoceptive signal integration.

Main Results:

  • Interoceptive signals form bodily self-representation and emotional experiences.
  • Interoception is foundational to emotional experience and shapes time perception.
  • Explores altered states of consciousness and interoception.

Conclusions:

  • Highlights promising future research in computational modeling and personalized treatments.
  • Suggests clinical applications for psychiatric, neurological, and pain conditions.
  • Emphasizes the need to continue Bud Craig's seminal work.