Publications
Academic article
- Monika Kvernenes; Arne Tjølsen; Simon Gilbertson et al. (2025). Tracing affective trajectories and triggers in university teachers – a mixed methods study. (external link)
- Elise Pauline Paulsen Skjevik; Edvin Schei; Donald Boudreau et al. (2024). What makes mentors thrive? An exploratory study of their satisfaction in undergraduate medical education. (external link)
- Ognjen Bojovic; Clive R. Bramham; Arne Tjølsen (2016). Stimulation-induced expression of immediate early gene proteins in the dorsal horn is increased in neuropathy. (external link)
- Ognjen Bojovic; Debabrata Panja; Margarethe Bittins et al. (2015). Time course of immediate early gene protein expression in the spinal cord following conditioning stimulation of the sciatic nerve in rats. (external link)
- Ognjen Bojovic; Clive R. Bramham; Arne Tjølsen (2015). Chronic morphine treatment enhances sciatic nerve stimulation-induced immediate early gene expression in the rat dorsal horn. (external link)
- Hao-Jun You; Jing Lei; Nan Niu et al. (2013). Specific thalamic nuclei function as novel ‘nociceptive discriminators’ in the endogenous control of nociception in rats. (external link)
- Hao-Jun You; Jianhua Lei; Mei-Yi Sui et al. (2010). Endogenous descending modulation: spatiotemporal effect of dynamic imbalance between descending facilitation and inhibition of nociception. (external link)
- Frøydis Haugan; Lars Jørgen Rygh; Arne Tjølsen (2008). Ketamine blocks enhancement of spinal long-term potentiation in chronic opioid treated rats. (external link)
- Frøydis Haugan; Karin Wibrand; Atle Fiskå et al. (2008). Stability of long term facilitation and expression of zif268 and Arc in the spinal cord dorsal horn is modulated by conditioning stimulation within the physiological frequency range of primary afferent fibers. (external link)
- Hao-Jun You; Arne Tjølsen; Lars Arendt-Nielsen (2006). High-frequency conditioning electrical stimulation evokes supraspinal independent long-term depression but not long-term potentiation of the spinal withdrawal reflex in rats. (external link)
- Lars Jørgen Rygh; Kjell Hole; Arne Tjølsen (2005). Molekylære mekanismer ved akutte og kroniske smerter. (external link)
- Lars Jørgen Rygh; Frode Svendsen; Atle Fiskå et al. (2005). Long-term potentiation in spinal nociceptive systems - how acute pain may become chronic. (external link)
- SM Sweitzer; SM Wong; Arne Tjølsen et al. (2004). Exaggerated nociceptive responses on morphine withdrawal: roles of protein kinase C epsilon, and gamma. (external link)
- Johan Wallin; Atle Fiskå; Arne Tjølsen et al. (2003). Spinal cord stimulation inhibits long-term potentiation of spinal wide dynamic range neurons. (external link)
- Anne Kjørsvik; Abdul Warsame Afrah; Henrik Gustafsson et al. (2003). Stimulation of spinal 5-HT(2A/2C) receptors potentiates the capsaicin-induced in vivo release of substance P-like immunoreactivity in the rat dorsal horn. (external link)
- Abdullahi Afrah; Atle Fiskå; Johannes Gjerstad et al. (2002). Spinal substance P release during the induction of long-term potentiation in dorsal horn neurons. (external link)
- Lars Jørgen Rygh; Arne Tjølsen; Kjell Hole et al. (2002). Cellular memory in spinal nociceptive circuitry. (external link)
- Gunnar Rosen; Kenneth Hugdahl; Lars Ersland et al. (2001). Different brain areas activated during imagery of painful and non-painful "finger movements" in a subject with an amputated arm. (external link)
- Lars Jørgen Rygh; Frode Svendsen; Kjell Hole et al. (2001). Increased spinal N-methyl-D-aspartate receptor function after 20 h of carrageenan-induced inflammation. (external link)
- Anne Kjørsvik; Arne Tjølsen; Kjell Hole (2001). Activation of spinal seritonin 2A/2C receptors augements nociceptive responses in the rat. (external link)
- Johannes Gjerstad; Arne Tjølsen; Kjell Hole (2001). Induction of long-term potentiation of single wide dynamic range neurones in the dorsal horn is inhibited by descending pathways. (external link)
- Lars Jørgen Rygh; Mark Green; Nuwan Athauda et al. (2000). Effect of spinal morphine after long-term potentiation of wide dynamic range neurones in the rat. (external link)
- Johannes Gjerstad; Arne Tjølsen; Frode Svendsen et al. (2000). Inhibition of spinal nociceptive responses after intramuscular injection of capsaicin involves activation of noradrenergic and opioid systems. (external link)
- Frode Svendsen; Arne Tjølsen; Frøydis Rykkja et al. (1999). Behavioural effects of LTP-inducing sciatic nerve stimulation in rat. (external link)
- Johannes Gjerstad; Arne Tjølsen; Frode Svendsen et al. (1999). Inhibition of evoked C-fibre responses in the dorsal horn after contraleteral intramuscular injection of capsaicin involves activation of descending pathways. (external link)
- Lars Jørgen Rygh; Frode Svendsen; Kjell Jørgen Hole et al. (1999). Natural noxious stimulation can induce long-term increase of spinal nociceptive responses. (external link)
- Frode Svendsen; Kjell Jørgen Hole; Arne Tjølsen (1999). Some problems with wind-up and its calculation. (external link)
- Frode Svendsen; Arne Tjølsen; Lars Jørgen Rygh et al. (1999). Expression of long-term potentiation in single wide dynamic range neurons in the rat is sensitive to blockade of glutamate receptors. (external link)
- Frode Svendsen; Arne Tjølsen; Johannes Gjerstad et al. (1999). Long term potentiation of single WDR neurons in spinalized rats. (external link)
- Frode Svendsen; Lars Jørgen Rygh; Johannes Gjerstad et al. (1999). Recording of long-term potentiation in single dorsal horn neurones in vivo in the rat. (external link)
- Frode Svendsen; Lars Jørgen Rygh; Kjell Jørgen Hole et al. (1999). Dorsal horn NMDA receptor function is changed after peripheral inflammation. (external link)
- Armando Almeida; Rolf V Størkson; Deolinda Lima et al. (1999). The medullary dorsal reticular nucleus facilitates pain behaviour induced by formalin in the rat. (external link)
- E. Bach-Gansmo; A. Holen; Arne Tjølsen et al. (1998). (Group learning in medical education). (external link)
- M. Rønneberg; Arne Tjølsen (1998). Smerter hos nyfødte. (external link)
- Frode Svendsen; Arne Tjølsen; Kjell Jørgen Hole (1998). AMPA and NMDA receptor-dependent spinal LTP after nociceptive tetanic stimulation. (external link)
- Johannes Gjerstad; Arne Tjølsen; Kjell Jørgen Hole (1997). A dual effect of 5-HT1B receptor stimulation on nociceptive dorsal horn neurones in rats. (external link)
- Frode Svendsen; Arne Tjølsen; Kjell Jørgen Hole (1997). LTP of spinal A-beta and C-fibre evoked responses after electrical sciatic nerve stimulation. (external link)
- Johannes Gjerstad; Arne Tjølsen; Kjell Jørgen Hole (1997). The dual effect of 5-HT1B receptor stimulation on nociceptive dorsal horn neurones in rats. (external link)
- Anne Kjørsvik; Rolf V Størkson; Arne Tjølsen et al. (1997). Differential effects of activation of lumbar and thoracic 5-HT2A/2C receptors on nociception in rats. (external link)
- Johannes Gjerstad; Arne Tjølsen; Kjell Jørgen Hole (1996). The effect of 5-HT1A receptor stimulation on nociceptive dorsal horn neurones in rats. (external link)
- Arne Tjølsen (1994). Evaluering av undervisning. (external link)
- V. Chapman; A.H Dickenson; Arne Tjølsen (1994). Bi-directional effects of intrathecal NMDA and substance P on rat dorsal horn neuronal responses. (external link)
- T. I. Kanui; Arne Tjølsen; Anders Lund et al. (1993). Antinociceptive effects of intrathecal administration of alpha-adrenoceptor antagonists and clonidine in the formalin test in the mouse. (external link)
- Arne Tjølsen; Kjell Jørgen Hole (1993). The tail-flick latency is influenced by skin temperature. (external link)
- Arne Tjølsen; Kjell Jørgen Hole (1993). Tail skin temperature should always be measured in the standard tail-flick test. (external link)
- Arne Tjølsen; Kjell Jørgen Hole (1993). Smerteregulering og plastisitet. (external link)
- Norma Mjellem; Anders Lund; Per Kristian Eide et al. (1992). The role of 5-HT1A and 5-HT1B receptors in spinal nociceptive transmission and in the modulation of NMDA induced behaviour. (external link)
- Arne Tjølsen; Odd-Geir Berge; Steinar Hunskår et al. (1992). The formalin test: an evaluation of the method. (external link)
- Arne Tjølsen; Kjell Jørgen Hole (1992). The effect of morphine on core and skin temperature. (external link)
- N. Mjellem; Anders Lund; P. K. Eide et al. (1992). The role of 5HT%bA and 5HT%bB receptors in spinal nociceptive transmission and in the modulation of N-methyl-Daspartate induced behaviour. (external link)
- Arne Tjølsen; Jan Henrik Rosland; Odd-Geir Berge et al. (1991). The increasing temperature hot plate test: An improved test of nociception in mice and rats. (external link)
- Arne Tjølsen; Anders Lund; Kjell Jørgen Hole (1991). Antinociceptive effect on paracetamol in rats is partly dependent on the spinal serotonergic systems. (external link)
- Arne Tjølsen; Odd-Geir Berge; Kjell Jørgen Hole (1991). Lesions of bulbo-spinal serotonergic or noradrenergic pathways reduce nociception as measured by the formalin test. (external link)
- Kjell Jørgen Hole; Odd-Geir Berge; Arne Tjølsen et al. (1991). The tail-flick test needs to be improved. (external link)
- Kjell Hole; Odd-Geir Berge; Arne Tjølsen et al. (1990). The tail-flick test needs to be improved. (external link)
- Arne Tjølsen; Anders Lund; Per Kristian Eide et al. (1989). The apparent hyperalgesic effect of a serotonin antagonist in the tail flick test is mainly due to increased tail skin temperature. (external link)
- Per Kristian Eide; Arne Tjølsen (1988). Effects of serotonin receptor antagonists and agonists on the tail-flick response in mice involve altered tail-skin temperature. (external link)
- Arne Tjølsen; Odd-Geir Berge; Per Kristian Eide et al. (1988). Apparent hyperalgesia after lesions of the descending serotonergic pathways is due to increased tail skin temperature. (external link)
- Per Kristian Eide; Odd-Geir Berge; Arne Tjølsen et al. (1988). Apparent hyperalgesia in the mouse tail-flick test due to increased tail skin temperature after lesioning of serotonergic pathways. (external link)
- Per Kristian Eide; Arne Tjølsen (1988). Effects of serotonin receptor antagonists and agonists on the tail-flick response in mice involve altered tail-skin temperature. (external link)
- Arne Tjølsen; Odd-Geir Berge; Per Kristian Eide et al. (1988). Apparent hyperalgesia after lesions of the descending serotonergic pathways is due to increased tail skin temperature. (external link)
Academic book chapter
- Jan Henrik Rosland; Arne Tjølsen (2008). Patofysiologiske mekanismer ved kreftrelaterte smerter. (external link)
- Arne Tjølsen (2002). Nociceptiive modulation as studied in Bergen. (external link)
- Frode Svendsen; Arne Tjølsen (2000). Long-term potentiation in single wide dynamic range neurons induced by noxious stimulation in intact and spinalized rats. (external link)
- Arne Tjølsen; Kjell Hole (1997). Animal models of analgesia. (external link)
- Arne Tjølsen (1995). Smertefysiologi. (external link)
- Arne Tjølsen; Kjell Jørgen Hole; Steinar Hunskår (1994). Animal models in pain research. (external link)
- Kjell Jørgen Hole; Odd-Geir Berge; P. K. Eide et al. (1992). Modifications in nociceptive reactivity following various serotonergic treatments. Methodological difficulties. (external link)
Conference lecture
- Arne Tjølsen; Monika Kvernenes; Eirik Hugaas Ofstad et al. (2020). Group mentoring of medical students in Canada and Norway - influence of mentors' age and gender. (external link)
- Monika Kvernenes; Arne Tjølsen; Donald Boudreau et al. (2020). Group mentoring for undergraduate medical students - What factors decide mentors' satisfaction?. (external link)
- Arne Tjølsen (2005). Smerteforskning: hvorfor vondt blir verre. (external link)
- Arne Tjølsen (2005). Smerte ved multippel sklerose. (external link)
- Lars Rune Sæterdal; Arne Tjølsen (2005). Smerte og windup i primærafferente nevronar hos rotte. (external link)
- Arne Tjølsen (2005). Neuropathic pain after spinal cord injury. (external link)
- Arne Tjølsen (2002). Spinal and cortical plasticity: A 'sine qua non' question?. (external link)
- Arne Tjølsen (2002). Update - basalforskning: Vanilloidreseptorer og genmodifiserte forsøksdyr. (external link)
- Anne Kjørsvik Bertelsen; A Afrah; H Gustafson et al. (2001). Serotonin (5-HT) 2A/2C receptor agonist DOI enhances the release of substance P: An in vivo microdialyse study. (external link)
- Kjell Jørgen Hole; Lars Jørgen Rygh; Frode Svendsen et al. (1999). LTP of C-fibre evoked responses induced by natural noxious stimulation in intact rats. (external link)
- Anne Kjørsvik; Arne Tjølsen; Kjell Jørgen Hole (1998). Stimulation of spinal 5-HT2A/2C receptors increases nociception. (external link)
- Johannes Gjerstad; Frode Svendsen; Arne Tjølsen et al. (1998). The antinociceptive effect of capsaicin in the gastrocnemius muscle in the rat is blocket by reversible spinalization. (external link)
- Frode Svendsen; Arne Tjølsen; Kjell Jørgen Hole (1998). The effect of spinalization and peripheral nerve block on LTP in single WDR neurons. (external link)
- Frode Svendsen; Arne Tjølsen; Kjell Jørgen Hole (1997). A long term increase in spinal A-beta and C-fibre evoked responses after painful stimulation. (external link)
- Arne Tjølsen; Frode Svendsen; Lars Jørgen Rygh et al. (1997). The effect of AP5 on wind-up in spinal WDR neurons - the importance of the wind-up calculation methods. (external link)
- Johannes Gjerstad; Arne Tjølsen; Kjell Jørgen Hole (1996). Evoked activity in dorsal horn neurones after 5-HT1A and 5-HT1B receptor stimulation. (external link)
- Johannes Gjerstad; Arne Tjølsen; Kjell Jørgen Hole (1996). Effects of the 5-HT1A and 5-HT1B receptor stimulation on evoked activity in nociceptive dorsal horn neurones in rats. (external link)
- A Almeida; R Størkson; D Lima et al. (1996). The medullary dorsal reticular nucleus facilitates acute and tonic pain induced by formalin. (external link)
- R. Størkson; Odd-Geir Berge; Arne Tjølsen et al. (1995). Automated scoring of the formalin test in rats reveals dose-dependent changes in behaviour one week after the formalin injection. (external link)
- A Kjørsvik; Arne Tjølsen; Boleslaw Srebro et al. (1995). The role of the 5-HT(2a/2c) receptors in spinal nociceptive systems shown with direct nerve stimulation. (external link)
- A. Kjørsvik; R. Størkson; Arne Tjølsen et al. (1995). The exitatory effect of 5-HT (2a/sc) receptor activation is more pronounced at certain levels in the rat spinal chord. (external link)
- Arne Tjølsen (1995). Functional changes in the dorsal horn in pain. (external link)
- L.J. Rygh; Arne Tjølsen; Kjell Jørgen Hole (1995). Peripheral inflammation changes the NMDA receptor function in spinal nociceptive systems shown with direct nerve stimulation. (external link)
- Arne Tjølsen; N. Mjellem; Kjell Jørgen Hole (1993). Different functions of spinal 5HT%cA and 5HT%c receptor subtypes in the regulation of evoked activity in dorsal horn neurones in rats. (external link)
- N. Mjellem; Arne Tjølsen; Kjell Jørgen Hole (1993). Different functions of spinal 5HT%cA and 5HT%c receptor subtypes in modulating behaviour induced by excitatory amino acid receptor agonists in mice. (external link)
- Arne Tjølsen; N. Mjellem; Kjell Jørgen Hole (1993). Spinal serotonin %cA receptor activation reduces nociception. (external link)
- Arne Tjølsen; Kjell Jørgen Hole (1993). Involvement of spinal serotonin %bA receptors in nociception. (external link)
- R. Størkson; A. Kjørsvik; Arne Tjølsen et al. (1993). Catheterization of the lumber spinal subarachnoid space in the rat. (external link)
Conference poster
- Frøydis Haugan; Lars Jørgen Rygh; Arne Tjølsen (2005). Induction of long-term potentiation by low frequency sciatic nerve stimulation in dorsal horn neurons: a methodological study. (external link)
- Atle Fiskå; Frøydis Haugan; Frode Svendsen et al. (2003). Agmatine inhibits spinal LTP. (external link)
- Johan Wallin; Atle Fiskå; Arne Tjølsen et al. (2002). Spinal cord stimulation inhibits long-term potentiation of spinal WDR neurons. (external link)
- Johan Wallin; Atle Fiskå; Arne Tjølsen et al. (2002). Spinal cord stimulation inhibits long-term potentiation of spinal WDR neurons. (external link)
- Atle Fiskå; Arne Tjølsen; Kjell Hole (2001). Descending norepinephrine modulation in the spinal cord 24 hours after peripheral inflammation. (external link)
- Anne Kjørsvik; Abdullahi Afrah; Henrik Gustafsson et al. (2001). Serotonin (5-HT) 2A/2C receptor agonist DOI enhances the release of substance P: An in vivo microdialysis study. (external link)
- Kjell Hole; Frode Svendsen; Lars Jørgen Rygh et al. (2000). Long-term potentiation in single dorsal neurons. (external link)
- Atle Fiskå; Frode Svendsen; Lars Jørgen Rygh et al. (2000). Induction of long-term potentiation in dorsal horn neurones: A methodological study. (external link)
- Atle Fiskå; Frode Svendsen; Lars Jørgen Rygh et al. (2000). Long-term potentiation in dorsal horn neurones induced by low frequency stimulation. (external link)
- Atle Fiskå; Frode Svendsen; Lars Jørgen Rygh et al. (2000). Low frequency stimulation may induce LTP in dorsal horn neurones. (external link)
- Lars Jørgen Rygh; Frode Svendsen; Kjell Jørgen Hole et al. (1999). Natural noxious stimulation can induce long-term increase of spinal nociceptive responses. (external link)
- Lars Jørgen Rygh; Frode Svendsen; Kjell Jørgen Hole et al. (1999). Natural noxious stimulation can induce long-term increase of spinal nociceptive responses. (external link)
- Frode Svendsen; Arne Tjølsen; Frøydis Rykkja et al. (1999). Behavioural effects of LTP inducing stimulation. (external link)
- Lars Jørgen Rygh; G.M. Green; N. Athauda et al. (1999). Natural noxious stimulation can induce LTP of C-fibre evoked responses in intact rats. (external link)
- Anne Kjørsvik; Arne Tjølsen; Boleslaw Srebro et al. (1999). Intrathecal co-administration of the serotonin2 agonist DOI and Substance P augment nociceptive responses. (external link)
- Frode Svendsen; Lars Jørgen Rygh; Kjell Jørgen Hole et al. (1999). Natural noxious stimulation can induce LTP of C-fibre evoked responses in intact rats. (external link)
Doctoral thesis (PhD)
- Ognjen Bojovic; Arne Tjølsen (2016). Spinal sensitization and expression of immediate early genes. Prolonged opioid treatment and neuropathic nociception. (external link)
- Arne Tjølsen (1991). The role of descending serotonergic and noradrenergic pathways in the regulation of nociception - with special emphasis on the development of appropriate tests of nociception in rats. (dr.med.). (external link)
Lecture
- Arne Tjølsen (2005). Nevropatisk smerte – sammenheng mellom basal forskning og behandling. (external link)
- Arne Tjølsen (2005). Nevrobiologiske forklaringsmodeller for kronisk smerte?. (external link)
- Arne Tjølsen (2005). Nevropatisk smerte - pine for pasienten, plage for legen?. (external link)
- Arne Tjølsen (2001). Hodepine og nevrofysiologi; hvordan reagerer hjernen på smerte. (external link)
- Arne Tjølsen (2001). Hodepine og smertefysiologi. (external link)
- Arne Tjølsen (1997). Smertefysiologi. (external link)
- Arne Tjølsen (1997). Smertefysiologi: Fysioterapi ved kroniske smertetilstander. (external link)
- Arne Tjølsen (1997). Smertefysiologi: Traumatisk betingede nakkesmerter. (external link)
- Arne Tjølsen (1997). Smertefysiologi ved kroniske smerter. (external link)
- Arne Tjølsen (1997). Long-term potentiation in the dorsal horn. (external link)
- Arne Tjølsen (1993). Sentralnervøs kontroll av smerteopplevelse. (external link)
- Arne Tjølsen (1993). Methods in pain research. (2 forelesninger). (external link)
Master’s thesis
- Ali Reyhanoglu; Arne Tjølsen (2008). PRIMÆRE SENSORISKE NERVER OG SENTRAL SENSITIVISERING. (external link)
- Lars R Skjøndal Sæterdal; Arne Tjølsen (2006). Smerte og windup i dorsalrotgangliar hos rotter. (external link)
- Mona Inger Breivik; Arne Tjølsen; Clive R. Evjen Bramham (2006). Genaktivering ved langtidspotensiering (LTP) i spinale smertesystem. (external link)