对厌恶感觉的重复暴露会对神经门和身体感知产生不同的影响
Valentina Jelinčić1, Diana M Torta1, Lucas Vanden Bossche1
1Research Group Health Psychology, Department of Psychology, KU Leuven, Tiensestraat 102, 3000, Leuven, Belgium.
Behaviour research and therapy
|November 4, 2024
概括
对身体感觉的习惯涉及神经门 (NG),抑制大脑对重复刺激的反应. 这项研究发现,在重复暴露后,NG改善了呼吸道感觉,但没有显示与减少对不愉快感觉的联系.
科学领域:
- 神经科学是一个神经科学.
- 心理生理学 心理生理学
- 感官感知是一种感官感知.
背景情况:
- 对身体感觉的习惯对于慢性症状至关重要,但它的神经支,特别是习惯性减弱,仍然不清楚.
- 神经门 (NG),抑制皮质对冗余刺激的反应,是影响习惯性的潜在机制.
- 了解NG对于解释慢性疾病中的感官处理变化至关重要.
研究的目的:
- 研究反复的厌恶感官暴露对神经门 (NG) 和主观感知的影响.
- 检查内部模式 (相同的感觉类型) 和跨模式 (不同的感觉类型) 习惯效应.
- 探索NG与健康成年人的感知习惯之间的关系.
主要方法:
- 91名健康成年人接受了两次脑电图 (EEG) 测量NG对呼吸和皮电刺激的测量.
- 参与者自我报告的感觉强度和不愉快.
- 一个内部和跨模式的设计涉及主要会议之间为一半的参与者提供额外的刺激课程.
主要成果:
- 参与者报告说,所有感觉都减少了不愉快的感觉,这表明感知习惯的内部和跨模式.
- 神经门 (NG) 在接受额外呼吸刺激 (模式内习惯) 的组中,特别改善了呼吸道感觉.
- 在NG和感知习惯之间没有发现显著的相关性,与健康成年人的混合发现一致.
结论:
- 重复的厌恶刺激可以导致不同感官模式的感知习惯.
- 内模式习惯增强了呼吸刺激的神经门,但这与感知变化无关.
- 需要在临床人群中进行进一步的研究,以澄清神经门在减少习惯性和慢性症状中的作用.
相关概念视频
01:20Pain
466
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...
466
01:14Conditioned Taste Aversion
118
Conditioned taste aversion, also known as sauce béarnaise syndrome, is a phenomenon in which an individual develops an aversion to a certain food taste following a negative experience, typically illness. This form of aversion is a type of classical conditioning in which the taste of the food (conditioned stimulus, CS) is associated with the experience of illness (unconditioned stimulus, UCS).
A notable characteristic of conditioned taste aversion is that it often requires only a single...
A notable characteristic of conditioned taste aversion is that it often requires only a single...
118
01:44Nociception
27.7K
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.
27.7K
01:14Avoidance Learning and Learned Helplessness
1.7K
Avoidance learning and learned helplessness are critical concepts in understanding behavioral responses to negative stimuli.
Avoidance learning occurs when an organism learns that a specific behavior can prevent an unpleasant outcome. For example, a student who receives a bad grade may start studying harder to avoid future poor grades. This behavior persists even when the negative outcome is no longer present. Avoidance learning is powerful because it maintains behavior in the absence of the...
Avoidance learning occurs when an organism learns that a specific behavior can prevent an unpleasant outcome. For example, a student who receives a bad grade may start studying harder to avoid future poor grades. This behavior persists even when the negative outcome is no longer present. Avoidance learning is powerful because it maintains behavior in the absence of the...
1.7K
01:28Perception
438
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...
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
438
01:33Somatosensation
36.4K
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.
36.4K