نتایج جستجو برای: nociception
تعداد نتایج: 3467 فیلتر نتایج به سال:
Effects of pregabalin (PGB, 20-80 mg/kg i.v. injection) on spinally-organized nociception were investigated in isoflurane-anesthetized intact and spinalized rats. Responses of single deep spinal dorsal horn (DH) (laminae IV-V) nociceptive-specific (NS) neurons receiving peripheral inputs from A-delta and C fibers to repetitive electrical stimulation (intensity: 3-5 mA; frequency: 1 Hz; pulse du...
Introduction Although neck muscle tension is considered a risk factor for migraine, pungent odors can act as a trigger to initiate an attack in sensitized individuals. Although noninvasive vagus nerve stimulation (nVNS) is now an approved treatment for chronic migraine, how it functions to inhibit trigeminal nociception in an episodic migraine model is not known. Objectives The objectives of ...
Stress can enhance and inhibit nociception depending on the situation. Thus, simply shifting the context from the elevated plus maze (EPM) which has been shown to produce stress-induced antinociception to a different environment could produce drastic and rapid changes in nociception. The present experiment tested this hypothesis by assessing nociception in rats and mice during and immediately a...
The data summarized here suggest the existence of a new central pathway for the hormonal regulation of pain. These data mainly collected in quail, a useful model in neuroendocrinology, demonstrate that numerous neurons in the superficial laminae of the spinal cord express aromatase (estrogen-synthase). Chronic and systemic blockade of this enzyme in quail alters nociception within days, indicat...
Ellagic acid is a healthy food and drug developed by foreign countries. It has been proven that it is not only anti-cancerous and anti-mutational, but also anti-microbial and antiviral. In this study, we examined the effect of ellagic acid alleviates inflammatory pain and paclitaxel-induced neuropathic pain in murine models. It was shown that the effect of ellagic acid could alleviate acetic ac...
Recent theoretical advances on the topic of body representations have raised the question whether spatial perception of touch and nociception involve the same representations. Various authors have established that subjective localizations of touch and nociception are displaced in a systematic manner. The relation between veridical stimulus locations and localizations can be described in the for...
The present study evaluated the antinociceptive effect of the pro-inflammatory cytokines inhibitor diacerein in mice and its possible mechanism of action. The antinociception produced by diacerein was tested at different sites of action, moreover selective antagonists or agonists were used to identify the mechanism that may be involved in its antinociceptive action against acetic acid-induced v...
The ventrolateral periaqueductal gray (vlPAG) constitutes a major descending pain modulatory system and is a crucial site for opioid-induced analgesia. A number of previous studies have demonstrated that glutamate and GABA play critical opposing roles in nociceptive processing in the vlPAG. It has been suggested that glutamatergic neurotransmission exerts antinociceptive effects, whereas GABAer...
The Emotional Controls of Nociception (ECON) paradigm involves the presentation of emotionally-charged pictures during which painful stimuli are delivered. Across several ECON studies, unpleasant pictures enhanced pain and nociception, whereas pleasant pictures inhibited pain and nociception. However, at this time it is unknown whether emotional valence (unpleasant, neutral, pleasant) influence...
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