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相关概念视频

Somatosensation01:33

Somatosensation

42.9K
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
42.9K
Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

11.0K
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...
11.0K
Tactile and Chemical Senses01:27

Tactile and Chemical Senses

686
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.
686
Sensory Functions of the Skin01:16

Sensory Functions of the Skin

7.7K
The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
7.7K
Introduction to Special Senses01:26

Introduction to Special Senses

7.3K
Sensory receptors play an integral part in comprehending our external and internal environments. They receive diverse stimuli, converting them into the nervous system's electrochemical signals. This conversion occurs as the stimulus alters the sensory neuron's cell membrane potential, instigating the generation of an action potential. This action potential is subsequently transmitted to the central nervous system (CNS), which integrates with other sensory data or higher cognitive...
7.3K
Sensory Modalities01:15

Sensory Modalities

3.7K
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.
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
3.7K

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相关实验视频

Updated: Jan 9, 2026

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
05:43

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback

Published on: May 23, 2019

5.8K

内接与外接:心脏内接与触觉感知相竞争,但也促进了自我相关性编码.

Marie Loescher1, Patrick Haggard2, Catherine Tallon-Baudry1

  • 1Laboratoire de Neurosciences Cognitives et Computationnelles, Département d'Études Cognitives, École Normale Supérieure, Université Paris Sciences et Lettres, INSERM U960, 75005 Paris, France.

Proceedings of the National Academy of Sciences of the United States of America
|December 2, 2025
PubMed
概括

身体内部的信号,如心跳,通过两个独立的大脑机制影响外部感知:神经资源竞争和自我相关性促进. 这调和了对抗性观点的整体受体和外体受体.

关键词:
心跳所唤起的潜力是什么?整体感受 整体感受 整体感受感知 感知 感知 感知自我 自我 自我 自我 自我 自我它是体感官的体感官.

更多相关视频

Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

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Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment
07:20

Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment

Published on: March 8, 2019

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相关实验视频

Last Updated: Jan 9, 2026

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
05:43

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback

Published on: May 23, 2019

5.8K
Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
11:39

Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

Published on: September 7, 2022

2.5K
Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment
07:20

Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment

Published on: March 8, 2019

14.2K

科学领域:

  • 神经科学是一个神经科学.
  • 认知科学 认知科学
  • 心理学 心理学 心理学

背景情况:

  • 间接感知,或感知身体内部的信号,如心跳,影响外部的感知.
  • 现有的关于整体感受作用的理论提出了与外部处理的竞争或促进.
  • 这些理论,内部/外部竞争和自我相关的便利化,已经分别发展.

研究的目的:

  • 实验性地对比内部/外部竞争和自我相关的便利化框架.
  • 为了研究通过心跳唤起的潜能 (HEPs) 测量的心脏整接收如何与外部刺激处理相互作用.
  • 为了确定内部的身体信号和外部刺激是否竞争神经资源或促进自我相关性编码.

主要方法:

  • 使用电脑电图 (EEG) 测量心跳唤起的潜力 (HEPs).
  • 通过改变与身体相对的音频源位置 (周围个人空间) 来操纵音频触觉刺激的自我相关性.
  • 分析了 prestimulus HEPs 与对外部刺激的行为/神经反应之间的关系.

主要成果:

  • 在体感皮层上预刺激的HEP与反应时间减慢和刺激引起的反应变化相关,表明神经资源竞争.
  • 在传感器和默认模式网络区域上进行的前刺激HEP促进了刺激自我相关性编码,影响了反应时间和引起的反应.
  • 发现竞争和促进效应在空间和统计学上是独立的.

结论:

  • 通过展示两种共存的,独立的整体受体外受体相互作用机制来调和对立的理论.
  • 表明身体内部的信号竞争神经资源,同时促进外部刺激的自我相关性处理.
  • 突出了心跳唤起的潜能和内部状态在塑造知觉的多维性质.