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  • E-mailMurison@uib.no
  • Phone+47 55 58 62 25
  • Visitor Address
    BB-Bygget, Jonas Liesvei 91, 5009 Bergen
    Bergen
  • Postal Address
    Postboks 7807
    5020 BERGEN
  • Psychoendocrinology of affective disorders
  • Stress
  • Animal models of anxiety, depression and psychosomatic disorders
  • Sleep-stress interactions

 

Contributes to courses in Biological & Medical Psychology, as well as courses for PhD students. Supervision of undergraduate and graduate student projects.

Academic article
  • 2019. A systematic review of studies utilizing hair glucocorticoids as a measure of stress suggests the marker is more appropriate for quantifying short-term stressors. Scientific Reports. 1-14.
  • 2017. Comparison of commercial ELISA assays for quantification of corticosterone in serum. Scientific Reports.
  • 2016. Mild daily stressors in adulthood may counteract behavioural effects after constant presence of mother during early life. Physiology and Behavior. 313-321.
  • 2016. Implication of NOTCH1 Gene in Susceptibility to Anxiety and Depression among Sexual Abuse Victims. Translational Psychiatry.
  • 2016. A rodent model of night-shift work induces short-term and enduring sleep and electroencephalographic disturbances. Journal of Biological Rhythms. 48-63.
  • 2015. Maternal deprivation of Lewis rat pups increases the severity of experimental periodontitis in adulthood. Open Dentistry Journal. 65-78.
  • 2015. Cognitive functioning and cortisol profiles in first episode major depression. Scandinavian Journal of Psychology. 379-383.
  • 2014. Hypothermia after chronic mild stress exposure in rats with a history of postnatal maternal separations. Chronobiology International. 252-264.
  • 2014. Effects of social defeat on sleep and behaviour: Importance of the confrontational behaviour. Physiology and Behavior. 54-63.
  • 2013. Restoring psychology's role in peptic ulcer. Applied Psychology: Health and Well-Being. 5-27.
  • 2013. Maternal depression and infant daytime cortisol. Developmental Psychobiology. 334-351.
  • 2013. Early and later life stress alter brain activity and sleep in rats. PLOS ONE.
  • 2013. Cognitive functioning and cortisol suppression in recurrent major depression. PsyCh Journal. 167-174.
  • 2012. Post-transcriptional effects and interactions between chronic mild stress and acute sleep deprivation: Regulation of translation factor and cytoplasmic polyadenylation element-binding protein phosphorylation. Behavioural Brain Research. 251-262.
  • 2012. Neonatal maternal separation in male rats increases intestinal permeability and affects behavior after chronic social stress. Physiology and Behavior. 1058-1066.
  • 2012. Long-term effects of footshock and social defeat on anxiety-like behaviours in rats: Relationships to pre-stressor plasma corticosterone concentration. Stress. 658-670.
  • 2012. Heart rate variability and cortisol responses during attentional and working memory tasks in naval cadets. International Maritime Health. 181-187.
  • 2011. Higher levels of fatigue are associated with higher CRP levels in disease-free breast cancer survivors. Journal of Psychosomatic Research. 136-141.
  • 2010. Emotional stress and orthodontic tooth movement: effects on apical root resorption, tooth movement, and dental tissue expression of interleukin-1 alpha and calcitonin gene-related peptide immunoreactive nerve fibres in rats. European Journal of Orthodontics. 329-335.
  • 2009. Subjective health complaints, stress, and coping in orchestra musicians. Medical Problems of Performing Artists. 58-62.
  • 2009. Levels of circulating interleukin-1 receptor antagonist and C-reactive protein in long-term survivors of testicular cancer with chronic cancer-related fatigue. Brain, behavior, and immunity. 868-874.
  • 2008. Chronic cancer-related fatigue in long-term survivors of testicular cancer. Journal of Psychosomatic Research. 363-371.
  • 2008. A double exposure to social defeat induces sub-chronic effects on sleep and open field dehaviour in rats. Physiology and Behavior. 553-561.
  • 2007. Extracellular levels of serotonin and GABA in the hippocampus after chronic mild stress in rats. - A microdialysis study in an animal model of depression. Behavioural Brain Research. 42-51.
  • 2007. Coffee, stress and cortisol in nursing staff. Psychoneuroendocrinology. 322-330.
  • 2007. Coffee, stress and cortisol in nursing staff. Psychoneuroendocrinology. 322-330.
  • 2006. Sensitization and conditioning as contributors to gastrointestinal vulnerability. A review. Autonomic Neuroscience: Basic & Clinical. 22-27.
  • 2006. Enhanced susceptibility to periodontitis in an animal model of depression: reversed by chronic treatment with the anti-depressant tianeptine. Journal of Clinical Periodontology. 469-477.
  • 2006. Chronic mild stress inhibits BDNF protein expression and CREB activation in the dentate gyrus but not in the hippocampus proper. Pharmacology, Biochemistry and Behavior. 842-849.
  • 2005. Trauma and resulting sensitization effects are modulated by psychological factors. Psychoneuroendocrinology. 965-973.
  • 2005. Effects of chronic mild stress on sexual behavior, locomotor activity and consumption of sucrose and saccharine solutions. Physiology and Behavior. 571-577.
  • 2005. Cognitive activation theory of stress (CATS): from fish brains to the Olympics. Psychoneuroendocrinology. 933-938.
  • 2005. Cognitive activation theory of stress (CATS) : from fish brains to the Olympics. Psychoneuroendocrinology. 933-938.
  • 2005. An acute stressor enhances sensitivity to a chemical irritant and increases 51-CrEDTA permeability of the colon in adult rats. Integrative Physiological & Behavioral Science. 35-44.
  • 2004. The effects of postnatal maternal separation on stress responsivity and experimentally induced colitis in adult rats. Physiology and Behavior. 71-84.
  • 2004. Chronic mild stress affects sucrose intake and sleep in rats. Behavioural Brain Research. 139-147.
  • 2003. Økt kortisolnivå, frostskader og påvirkning av muskler og skjelett under ekstreme polarforhold. Tidsskrift for Den norske legeforening. 3529-3532.
  • 2003. Selective hippocampal lesions do not increase adrenocortical activity. Journal of Neuroscience. 4345-4354.
  • 2003. Selective hippocampal lesions do not increase adrenocortical activity. Journal of Neuroscience. 4345-4354.
  • 2003. Proactive sensitizing effects of acute stress on acoustic startle responses and experimentally induced colitis in rats: relationship to corticosterone. Stress. 49-57.
  • 2003. Intestinal permeability and faecal granulocyte marker protein in dextran sulphate sodium - induced colitis in rats. Scandinavian Journal of Laboratory Animal Science. 169-175.
  • 2003. Association between childhood physical abuse and gastrointestinal disorders and migraine in adulthood. American Journal of Public Health. 1065-1067.
  • 2002. Reduced fear expression after lesions of the ventral hippocampus. Proceedings of the National Academy of Sciences of the United States of America. 10825-10830.
  • 2002. A study of the effects of restraint stress on colitis induced by dextran sulphate sodium in singly housed rats. Integrative Physiological & Behavioral Science. 140-150.
  • 2001. Samhällets förståelse för djurförsök i biomedicinsk forskning. CFN:s skriftserie. 19-26.
  • 2001. Reliability of the Chronic Mild Stress paradigm: Implications for research and animal welfare. Integrative Physiological & Behavioral Science. 266-274.
  • 2001. Is there a role for psychology in ulcer disease? Integrative Physiological & Behavioral Science. 75-83.
  • 2001. Behavioural responses to elevated plus-maze and defensive burying testing, effects on subsequent ethanol intake and effect of ethanol on retention of the burying response. Alcohol and Alcoholism. 48-58.
  • 2000. Relating acoustic startle reactivity and plasticity to alcohol consumption in male Wistar rats. Physiology and Behavior. 723-733.
  • 2000. Anxiety and helplessness in the face of stress predisposes, precipitates and sustains gastric ulceration. Behavioural Brain Research. 159-172.
  • 1999. The time dimension in stress responses: relevance for survival and health. Psychiatry Research. 39-50.
  • 1999. The time dimension in stress responses: Relevance for survival and health. Psychiatry Research. 39-50.
  • 1999. Defensive Burying Test, Alchohol Consumption and Retention of the Defensive Burying Response. Alcohol and Alcoholism. 481.
  • 1998. Defensive burying and stress gastric erosions in alcohol-preferring AA and alcohol non-preferring ANA rats. Alcoholism: Clinical and Experimental Research. 2050-2054.
  • 1998. Comparison of different animal models of stress reveals a non- monotonic effect. Stress. 227-230.
  • 1998. Animal models reveal the "psych" in the psychosomatics of the peptic ulcers. Current Directions in Psychological Science. 180-184.
  • 1997. ScandLAS policy. Scandinavian Journal of Laboratory Animal Science. 2-3.
  • 1997. Prediction of individual vulnerability to stress-induced gastric ulcerations in rats: A factor analysis of selected behavioral and biological indices. Physiology and Behavior. 555-562.
  • 1997. Prediction of Individual Vunerability to Stress-induced Gastric Ulcers in Rats: A Factor Analysis of selected Behavioral and Biological Indices. Physiology and Behavior. 555-562.
  • 1997. Amino acid effects on post-stress ulcers. Relationship to brain serotonin, 5-HIAA and norepinephrine. Stress. 169-178.
  • 1996. Voluntary alcohol consumption in rats: Relationships to defensive burying and stress gastric erosions. Psychology and Behavior. 983-989.
  • 1996. Følelsesmessige belastninger og periodontitt. Den norske tannlegeforenings tidende. 582-587.
  • 1996. Emotional stress effects on immunity, gingivitis and periodontitis. European Journal of Oral Sciences. 327-334.
  • 1995. Dopaminergic system sensitivity, shock-induced stress and stress-induced gastric ulceration may be interdependent. Homeostasis. 6-11.
  • 1994. Effects of traumatic stress on defensive burying: An alternative test of the learned helplessness animal model of depression and enhanced retrieval of unpleasant memories. Biological Psychiatry. 703-704.
  • 1994. Differing mechanisms for proactive effects of intermittent and single shock on gastric ulveration. Physiology and Behavior. 913-919.
  • 1993. Temporal location of contextual exposure determines whether shocks influence later ulcer vulnerability. Learning and Motivation. 282-292.
  • 1993. Some psychosomatic causal factors of restrain-in-water stress ulcers. Physiology and Behavior. 577-581.
  • 1993. Parallelism among stress effects on ulcer, immunosuppression and analgesia: Commonality of mechanisms? Journal of Physiology - Paris. 253-259.
  • 1992. The pathological power of the past. (Abstract of paper presented at 25th International Congress of Psychology, Brussels). International Journal of Psychology (IJP). 180-180.
  • 1992. Subtotal lesions of the amygdala: The rostal central nucleus in passive avoidance and ulceration. Physiology and Behavior. 795-803.
  • 1992. Pavlovian conditioning of corticotropin-releasing hormone-induced increase of blood pressure and corticosterone secretion in the rat. Physiologica Scandinavica. 59-63.
  • 1992. Individual behavioral characteristics and extent of stress-induced gastric ulceration in rats. Acta Physiologica Hungarica. 127-134.
  • 1991. The neurobiology of stress ulcers. Brain Research Reviews. 301-343.
  • 1991. Stress ulceration in rats: Impact of prior stress experience. Neuroscience and Biobehavioral Reviews. 319-326.
  • 1991. Stress gastric ulceration in rats: Impact of prior stress experience. Neuroscience and Biobehavioral Reviews. 319-326.
  • 1991. Juvenile and adult footshock stress modulate later adult gastric pathophysiological reactions to restraint stresses in rats. Behavioral Neuroscience. 246-252.
  • 1991. Amino acids and yohimbine prevent poststress gastric ulceration in rats. Experimental & Clinical Gastroenterology. 145-149.
  • 1989. Plasma corticosterone and renin activity during two-way active avoidance learning in spontaneously hypertensive and Wistar-Kyoto rats. Behavioral and Neural Biology. 389-400.
Popular scientific lecture
  • 1999. The acoustic startle reflex, pre-pulse inhibition and alcohol consumption in rats.
  • 1999. Long-term effects of two animal stress procedures on corticosterone: Models for PTSD?
  • 1999. Contextual conditioning and fear expression in rats with dorsal and ventral hippocampal lesions.
  • 1999. Anxiety and helplessness in the face of stress predisposes, precipitates and sustains gastric ulceration.
  • 1998. Stress og trivsel hos folk (Workshop).
  • 1998. Stress hos mennesker og dyr.
  • 1998. Liking a drink might be good for you.
  • 1998. Evidence for conditioning effects on gastrointestinal pathology in rats.
  • 1998. Does enrichment alleviate or exaceerbate "stress" in rats and mice?
  • 1997. Stress in laboratory animals.
  • 1997. Modulation of stress responsivity in animals School of Biological Sciences, University of Wales, Swansea, 10.11.97.
  • 1997. Individual differences in vulnerability to stress gastric erosions in rats. Institute of Psychiatry, Univeristy of Dundee, 6th November, 1997.
  • 1997. Hormones and stress. Neuroscience Research Center, Uppsala University, 8th April 1997.
Academic lecture
  • 2016. Simulated night work alters clock gene expression in central and peripheral tissue in rats.
  • 2016. Implication of NOTCH1 Gene in Comorbid Anxiety and Depression Symptoms in a Sample of Sexual Abuse Victims.
  • 2015. Night work - disturbances in sleep and circadian rhythm parameters. An animal model.
  • 2013. Hypothermia after chronic mild stress exposure in rats with ahistory of postnatal maternal separation.
  • 2011. Early and later life stress leads to a lower brain activity during sleep and wakefulness in rats.
  • 2011. Chronic mild stress potentiates a lower brain activity during sleep and wakefulness in rats exposed to long maternal separation.
  • 2010. Gut ache – what does “stress” have to do with it?
  • 2007. Serotonin and GABA in the hippocampus after chronic mild stress in rats. A microdialysis study over the sleep/wake cycle in an animal model of depression.
  • 2006. Post-traumatic stress disorder and gut dysfunction.
  • 2006. Personality factors predict quality of life in distressed patients with inflammatory bowel disease (IBD), The inspire study.
  • 2006. PTSD and fMRI - a pilot study.
  • 2005. Sensitivity to experimentally induced colitis - gender differences?
  • 2004. Trauma and resulting effects are modulated by psychological factors.
  • 2004. Sensitization and conditioning as contributors to gastro-intestinal vulnerability.
  • 2004. Psychological factors impact on colitis in animal models.
  • 2004. Kjønnsforskjeller i sensitivisering til kjemisk indusert inflammasjon.
  • 2004. Eksperimentell stressforskning: psykosomatisk relevans.
  • 2004. Effects of an acute stressor on chemically sensitization and permeability of the colon in adult rats.
  • 2003. The Norwegian perspective.
  • 2003. Stress and ulcer.
  • 2003. Effects of Omega-3 Fatty Acids on DSS-induced Colitis in Rats.
  • 2002. Selective lesions of the ventral hippocampus impair expression of unconditioned fear.
  • 2002. Psychosomatic theory, research and practice in Norway. Lunch roundtable presentation.
  • 2002. Psychobiology of stress and PTSD: potential insights from animal models.
  • 2002. Psychobiology of stress and PTSD: potential insights from animal models.
  • 2002. Proactive sensitising of a brief stressor on acoustic startle response and chemically-induced colitis in rats: relationship to corticosterone.
  • 2002. Longterm effect of short inescapable footshock on startle responses and experimentally induced colitis in rats.
  • 2002. Basal plasma corticosterone levels are not increased by selective lesions or temporary inactivation of the hippocampus.
  • 2002. Assessment of granulocyte marker protein and permeability in relationship to experimentally induced colitis in rats.
  • 2001. The impact of stress on the maintenance of IBD symptoms in male and female rats: Is dextran sulphate sodium (DSS)-induced colitis prolonged in pre-stressed rats?
  • 2001. The impact of stress on the maintenance of IBD symptoms in male and female rats: Is dextran sulphate sodium (DSS)- induced colitis prolonged in pre-stressed rats?
  • 2001. Stress og IBD hos rotter.
  • 2001. Psychobiology of PTSD – Lessons and potentials of basic research.
  • 2001. Om rotter og stress: hva har vi lært fra dyremodeller?
  • 2001. Magetarm lidelser – er stress en medvirkende faktor? Fra basale til kliniske studier.
  • 2001. Dyremodeller.
  • 2001. DSS-modellen for IBD hos dyr – påvirkninger av stress.
  • 2001. A study of the effects of stress on colitis induced by dextran sulphate sodium in rats.
  • 2000. What animal models can tell us about designing psychobiological intervention studies with humans.
  • 2000. Welfare of laboratory rodents.
  • 2000. The re-psychosomatization of peptic ulcer disease.
  • 2000. Stress and GI disorders - Animal models.
  • 2000. Psychobiology of GI disorders: Implications of animal models.
  • 2000. Psychobiology of GI disorders - Animal models.
  • 2000. Animals models in gastrointestinal research.
  • 2000. A study of the effects of stress on colitis induced by dextran sulphate sodium in rats.
  • 1998. Influence of stress on immune cell recruitment in rat gingival tissues.
  • 1998. Influence of stress on immune cell recruitment in rat gingival tissues.
  • 1998. Defensive Burying and Stress Gastric Erosions in AA and ANA Rat Lines.
  • 1998. Alterations in Brain Amine Content by Defensive Burying and Alcohol in Rats.
  • 1997. Apomorphine sensitivity, corticosterone and ethanol consumption in rats.
  • 1996. How individual history shapes disease outcomes - trauma, tumours and ulcers.
  • 1994. Serial stressors and gastric ulceration.
  • 1993. The neurobiology of stress ulcers (abstract).
  • 1993. Mechanisms underlying increases sensitivity to stress ulcer induction in rats (abstract).
  • 1992. The pathological power of the past.
Book review
  • 2001. Review of Biological Basis of Mind-Body Interactions by E.A. Mayer and C.B. Saper. Psychosomatic Medicine. 512-514.
Non-fiction book
  • 1993. Endocrine and Nutritional Control of Basic Biological Functions. Hogrefe & Huber, Toronto.
  • 1993. Endocrine and Nutritional Control of Basic Biological Functions. Hogrefe & Huber, Toronto.
  • 1992. Endocrine and Nutritional Control of Basic Biological Functions. Hogrefe & Huber, Toronto.
Letter to the editor
  • 2005. Stress, sensitisation and somatisation: A special issue in honour of Holger Ursin. Psychoneuroendocrinology. 931-932.
Academic chapter/article/Conference paper
  • 2011. Animal Models for Psychological Disorders. 17 pages.
  • 2007. Ulceration, Gastric. 5 pages.
  • 2007. Gastrointestinal Effects. 6 pages.
  • 2004. Gastric ulcers and stress. 7 pages.
  • 2004. External Events Are Internalized in the Brain-Gut Axis. 8 pages.
  • 2004. Animal models. 2 pages.
  • 2003. Animal models for psychological disorders. 13 pages.
  • 2001. Animal Models. 4 pages.
  • 1995. Cortictropin releasing factor and gastric erosions.
  • 1993. Can tyrosine prevent poststress disturbances? 6 pages.
  • 1992. Can tyrosine prevent poststress disturbances? 6 pages.
Encyclopedia article
  • 2000. Ulceration. 631-634. In:
    • 2000. Encyclopedia of Stress.
  • 2000. Gastrointestinal effects. 191-196. In:
    • 2000. Encyclopedia of Stress.
Abstract
  • 2016. Simulated night work alters clock gene expression in central and peripheral tissue in rats. Journal of Sleep Research. 57-57.
  • 2016. A rat model for shiftwork: Effects on sleep architecture and sleep homeostasis. Journal of Sleep Research. 248-249.
  • 2013. Longitudinal and Cross-Sectional Studies of LTP-Like Cortical Plasticity in Subjects with Bipolar Disorder and Healthy Controls. Biological Psychiatry. 257S-257S.
  • 2012. Sleep architecture, behaviour, corticosterone and acoustic startle response after double exposure to social defeat in rats. Journal of Sleep Research. 212-212.
  • 2012. Chronic mild stress abolishes a relationship between sleep architecture and translational control. Journal of Sleep Research. 41-41.
  • 2008. Sleep deprivation as an antidepressant treatment following chronic mild stress: effects on translation factor EIF4E and EEF2 activity. Journal of Sleep Research. 221-221.
  • 2008. Associations between cancer related stress and morning cortisol levels in Norwegian long-term survivors of testicular cancer. Psycho-Oncology. S306-S306.
  • 2007. Extracellular levels of serotonin and GABA in the hippocampus after chronic mild stress in rats. A microdialysis study over the sleep/wake cycle in an animal model of depression. Sleep and Biological Rhythms.
  • 2007. Associations between cancer related stress and morning cortisol levels in Norwegian long-term survivors of testicular cancer. Psycho-Oncology. S276-S276.
  • 2005. Chronic mild stress, an animal model of depression, affects the expression of BDNF and 5-HT levels over the sleep/wake cycle in hippocampus in rats. Sleep.
  • 2004. Psychological factors impact on colitis in animal models. Psychosomatic Medicine. A10.
Poster
  • 2010. Chronic social stress increases colonic permeability in rats postnatally exposed to long maternal separation.
  • 2010. Chronic mild stress alters body temperature rhythm and induces depression-like symptoms in rats postnatally exposed to long maternal separation.
  • 2010. Altered Body Temperature Rhythm and Depression-like Symptoms following Early and Later Life Stress in Rats.
  • 2006. Individual differences in the relationship between cortisol and cognitive function: Effects of resting heart rate variability.
  • 2006. Associations between cancer related stress and morning cortisol levels in Norwegian long-term survivors of testicular cancer.
  • 2005. Pre-sensitizing effects on colonic damage - is there a gender difference?
  • 2003. Chronic Mild Stress in Rats Increase REM sleep and Sleep fragmentation and decrease Sucrose Intake.
  • 2002. The impact of housing conditions on rats welfare.
  • 2002. Sleep/wake effect after chronic mild stress in rats.
  • 2002. Sensitising effect of a brief stressor on acoustic startle responses and chemically-induced colitis in rats: Relationships to corticosterone.
  • 2002. Selective lesions of the ventral hippocampus impair expression of unconditioned fear.
  • 2002. Heart rate variability is inversely related to cortisol reactivity during cognitive stress.
  • 2002. Heart rate variability is inversely related to cortisol reactivity during cognitive stress.
  • 2002. Basal plasma corticosterone levels are not increased by selective lesions or temporary inactivation of the hippocampus.
  • 2001. The impact of stress on the maintenance of IBD symptoms in male and female rats: is dextran sulphate sodium (DSS) - induced colitis prolonged in pre-stressed rats?
  • 2001. Sleep/wake effect after chronic mild stress in rats.
  • 2001. Reliability of the Chronic Mild Stress Paradigm: Implications for the Research and Animal Welfare.
  • 2001. Plasma corticosterone level predicts effects of aversive events in rats.
  • 2000. Long-term effects of two animal stress procedures on corticosterone levels in rats.
Book Translation
  • 2004. Children’s PTSD Inventory (CPTSDI). Translated and reproduced by permission from The Psychological Corporation, Harcourt Assessment Company. Norwegian translation copyright © 2004 by The Psychological Corporation. Norsk oversettelse tilgjengelig fra forlaget.
  • 2004. Childhood Trauma Questionnaire (CTQ). Translated and reproduced by permission from The Psychological Corporation, Harcourt Assessment Company. Norwegian translation copyright © 2004 by The Psychological Corporation. Norsk oversettelse tilgjengelig fra forlaget.
Academic literature review
  • 2011. Stress revisited: A critical evaluation of the stress concept. 1291-1301.
Chapter
  • 2016. The Neurobiology of Stress. 29-49. In:
    • 2016. The Neuroscience of Pain, Stress, and Emotion. Elsevier.

More information in national current research information system (CRIStin)

B.Sc. (Psychology, Hons), University of St. Andrews, 1974

Ph.D. (Psychology), University of Leicester, 1977

Cortisol in PTSD and depression

Systematic review of cortisol measured in hair as a measure of stress

Fields of competence