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Now showing items 11-20 of 32
Modulation of Conditioned Fear, Fear-Conditioned Analgesia, and Brain Regional C-Fos Expression Following Administration of Muscimol into the Rat Basolateral Amygdala
(Elsevier, 2011-04)
Evidence suggests that gamma-aminobutyric acid (GABA) signalling in the basolateral amygdala (BLA) is involved in pain, fear, and fear-conditioned analgesia (FCA). In this study, we investigated the effects of intra-BLA ...
Validation of an air-puff passive-avoidance paradigm for assessment of aversive learning and memory in rat models of chronic pain
(Elsevier, 2011-11)
Chronic pain is associated with cognitive deficits. Considerable overlap in brain regions involved in pain and aversion suggests that aversive learning and memory may be affected during chronic pain. Passive-avoidance ...
Repeated forced swim stress differentially affects formalin-evoked nociceptive behaviour and the endocannabinoid system in stress normo-responsive and stress hyper-responsive rat strains
(Elsevier, 2015-05-16)
Repeated exposure to a homotypic stressor such as forced swimming enhances nociceptive responding in rats. However, the influence of genetic background on this stress-induced hyperalgesia is poorly understood. The aim of ...
Stress-induced hyperalgesia
(Elsevier, 2014-07-08)
The importance of the modulation of pain by emotion is now widely recognised. In particular, stress and anxiety, depending on their nature, duration and intensity, can exert potent, but complex, modulatory influences ...
Genotype-dependent responsivity to inflammatory pain: A role for TRPV1 in the periaqueductal grey
(Elsevier, 2016-08-09)
Negative affective state has a significant impact on pain, and genetic background is an important moderating influence on this interaction. The Wistar-Kyoto (WKY) inbred rat strain exhibits a stress-hyperresponsive, ...
Characterization of the affective component of acute postoperative pain associated with a novel rat model of inguinal hernia repair pain
(Wiley, 2015-12-10)
Aims: Acute postoperative pain remains a significant healthcare issue. Historically, the assessment of postoperative pain in rodents has relied on evoked withdrawal or reflexive measures. Using a recently developed, ...
Supraspinal Transient Receptor Potential Subfamily V Member 1 (TRPV1) in pain and psychiatric disorders
(Karger, 2015)
The transient receptor potential subfamily V member 1 (TRPV1) belongs to the diverse transient receptor potential (TRP) family of cation channels. It was first characterized in primary afferent fibres as a receptor for ...
The prefrontal cortical endocannabinoid system modulates fear–pain interactions in a subregion‐specific manner
(Wiley, 2018-05-30)
Background and Purpose
The emotional processing and coordination of top‐down responses to noxious and conditioned aversive stimuli involves the medial prefrontal cortex (mPFC). Evidence suggests that subregions of the ...
Locomotor and anti-immobility effects of buprenorphine in combination with the opioid receptor modulator samidorphan in rats
(Elsevier, 2018-12-13)
Modulation of the opioid system has re-emerged as a potential therapeutic avenue for treating depression, with efficacy of a fixed-dose combination of buprenorphine (BUP), a partial mu-opioid receptor (MOR) agonist and ...
The role of the brain's endocannabinoid system in pain and its modulation by stress
(Elsevier, 2015-11-06)
Stress has a complex, bidirectional modulatory influence on pain. Stress may either reduce (stress-induced analgesia) or exacerbate (stress-induced hyperalgesia) pain depending on the nature, duration, and intensity of the ...