Touch perception altered by chronic pain and by opioid blockade
Touch plays a significant role in human social behavior and social communication, and its
rewarding nature has been suggested to involve opioids. Opioid blockade in monkeys leads …
rewarding nature has been suggested to involve opioids. Opioid blockade in monkeys leads …
Effects of opioid receptor stimulation and blockade on touch pleasantness: a double-blind randomised trial
The μ-opioid receptor (MOR) system has long been thought to underpin the rewarding
properties of pleasant touch. Numerous non-human animal studies implicate MORs in social …
properties of pleasant touch. Numerous non-human animal studies implicate MORs in social …
Coding of pleasant touch by unmyelinated afferents in humans
Pleasant touch sensations may begin with neural coding in the periphery by specific
afferents. We found that during soft brush stroking, low-threshold unmyelinated …
afferents. We found that during soft brush stroking, low-threshold unmyelinated …
[HTML][HTML] The analgesic power of pleasant touch in individuals with chronic pain: Recent findings and new insights
This mini-review covers recent works on the study of pleasant touch in patients with chronic
pain and its potential use as a treatment. While experiments have demonstrated that …
pain and its potential use as a treatment. While experiments have demonstrated that …
[HTML][HTML] The comfort in touch: Immediate and lasting effects of handholding on emotional pain
Consoling touch is a powerful form of social support that has been repeatedly demonstrated
to reduce the experience of physical pain. However, it remains unknown whether touch …
to reduce the experience of physical pain. However, it remains unknown whether touch …
[HTML][HTML] Endogenous opioids contribute to the feeling of pain relief in humans
L Sirucek, RC Price, W Gandhi, ME Hoeppli, E Fahey… - Pain, 2021 - journals.lww.com
Endogenous opioids mediate the pleasurable responses to positively reinforcing stimuli
such as palatable food. Yet, the reduction or omission of a negative experience can also be …
such as palatable food. Yet, the reduction or omission of a negative experience can also be …
[HTML][HTML] Anhedonia to gentle touch in fibromyalgia: Normal sensory processing but abnormal evaluation
R Boehme, H van Ettinger-Veenstra, H Olausson… - Brain Sciences, 2020 - mdpi.com
Social touch is important for interpersonal interaction. Gentle touch and slow brushing are
typically perceived as pleasant, the degree of pleasantness is linked to the activity of the C …
typically perceived as pleasant, the degree of pleasantness is linked to the activity of the C …
When touch predicts pain: predictive tactile cues modulate perceived intensity of painful stimulation independent of expectancy
Aims Non-nociceptive somatosensory input, such as tactile or proprioceptive information,
alway precedes nociceptive input during a painful event. This relationship provides clear …
alway precedes nociceptive input during a painful event. This relationship provides clear …
[HTML][HTML] The neurobiology shaping affective touch: expectation, motivation, and meaning in the multisensory context
Inter-individual touch can be a desirable reward that can both relieve negative affect and
evoke strong feelings of pleasure. However, if other sensory cues indicate it is undesirable …
evoke strong feelings of pleasure. However, if other sensory cues indicate it is undesirable …
Habituation to pain: further support for a central component
Habituation to repetitive painful stimulation may represent an important protection
mechanism against the development of chronic pain states. However, the exact …
mechanism against the development of chronic pain states. However, the exact …