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Jón Ólafur Skarphéðinsson - Professor
–
School of Health Sciences
Jón Ólafur Skarphéðinsson
Íslenska
Professor
Location
Læknagarður / Lg-545
Phone
525 - 4836
Email
joskarp [at] hi.is
Unit
Faculty of Nursing
Consultation hours
ORCID site
https://orcid.org/0000-0002-7941-4323
Courses 2020 - 2021
HJÚ212G - Physiology I
HJÚ309G - Physiology II
Education
1988
,
DrMedSci
,
University of Göteborg
,
DrMedSci
1979
,
BSc
,
University of Iceland
,
Biology
Professional Experience
1995 -
,
Professor,
University of Iceland
1990 -
1995,
Associate Professor,
University of Iceland
1988 -
1990,
Assistant Professor,
University of Iceland
Published works
2016
The Effects of Naloxone on Cerebral Blood Flow and Cerebral Function during Relative Cerebral Ischemia
Journal of Cerebral Blood Flow & Metabolism
Relative Cerebral Ischemia in SHR Due to Hypotensive Hemorrhage: Cerebral Function, Blood Flow and Extracellular Levels of Lactate and Purine Catabolites
Journal of Cerebral Blood Flow & Metabolism
2013
Effects of placental protein 13 on the cardiovascular system in gravid and non-gravid rodents.
2004
Sympathetic nerve traffic correlates with the release of nitric oxide in humans: implications for blood pressure control
The Journal of Physiology
2003
Hyperphagia modifies FA profiles of plasma phospholipids, plasma FFA, and adipose tissue TAG.
Functional role, structure, and evolution of the melanocortin-4 receptor.
2002
Food conversion is transiently affected during 4-week chronic administration of melanocortin agonist and antagonist in rats.
2001
Effects of long-term melanocortin agonist and antagonist administration on fatty acid metabolism in rats.
The FASEB Journal
Melanocortin receptor agonist transiently increases oxygen consumption in rats.
1999
Does sympathetic nerve discharge affect the firing of polymodal C-fibre afferents in humans?
Long term orexigenic effect of a novel melanocortin 4 receptor selective antagonist.
Does sympathetic nerve discharge affect the firing of polymodal C-fibre afferents in humans?
Brain
1998
Importance of the lactate anion in control of breathing.
Importance of the lactate anion in control of breathing
Journal of Applied Physiology
1997
Sympathetic nerve traffic correlates with the release of nitric oxide in humans: implications for blood pressure control.
1996
Differential responses in adrenal and renal nerves to CNS osmotic stimulation.
The effects of hexamethonium on cerebral blood flow and cerebral function during relative cerebral ischaemia in rats
Acta Physiologica Scandinavica
The effects of hexamethonium on cerebral blood flow and cerebral function during relative cerebral ischaemia in rats.
1994
The effects of selective opioid antagonists on somatosensory evoked potentials during relative cerebral ischemia in rats.
1993
Evidence for an adrenergic innervation of the adrenal cortical blood vessels in rats
Acta Physiologica Scandinavica
Evidence for an adrenergic innervation of the adrenal cortical blood vessels in rats.
1992
Effect of chronic ethanol consumption upon cardiovascular reactivity, heart rate and blood pressure in spontaneously hypertensive and Wistar-Kyoto rats.
Reflex changes in post- and preganglionic sympathetic adrenal nerve activity and postganglionic sympathetic renal nerve activity upon arterial baroreceptor activation and during severe haemorrhage in the rat.
Reflex changes in post- and preganglionic sympathetic adrenal nerve activity and postganglionic sympathetic renal nerve activity upon arterial baroreceptor activation and during severe haemorrhage in the rat
Acta Physiologica Scandinavica
EFFECT OF CHRONIC ETHANOL-CONSUMPTION UPON CARDIOVASCULAR REACTIVITY, HEART-RATE AND BLOOD-PRESSURE IN SPONTANEOUSLY HYPERTENSIVE AND WISTAR-KYOTO RATS
Journal of Hypertension
Differential responses in post- and pre-ganglionic adrenal sympathetic nerve activity and renal sympathetic nerve activity after injection of 2-deoxy-d-glucose and insulin in rats
Acta Physiologica Scandinavica
Differential responses in post- and pre-ganglionic adrenal sympathetic nerve activity and renal sympathetic nerve activity after injection of 2-deoxy-D-glucose and insulin in rats.
1990
Electric muscle stimulation in the spontaneously hypertensive rat induces a post-stimulatory reduction in activity: role of different opioid receptors
Acta Physiologica Scandinavica
Neurophysiological evidence for and characterization of the post-ganglionic innervation of the adrenal gland in the rat.
Electric muscle stimulation in the spontaneously hypertensive rat induces a post-stimulatory reduction in activity: role of different opioid receptors.
Role of different serotonergic receptors in the long-lasting blood pressure depression following muscle stimulation in the spontaneously hypertensive rat.
Differentiated responses of renal and adrenal sympathetic nerve activity to intravenous morphine administration in anesthetized rats.
Regional changes in sympathetic nerve activity and baroreceptor reflex function and arterial plasma levels of catecholamines, renin and vasopressin during naloxone-precipitated morphine withdrawal in rats.
Electrical stimulation of the gastrocnemius muscle in the spontaneously hypertensive rat increases the pain threshold: role of different serotonergic receptors.
Effect of the calcium antagonists felodipine and nimodipine on cortical blood flow in the spontaneously hypertensive rat.
Effect of the calcium antagonists felodipine and nimodipine on cortical blood flow in the spontaneously hypertensive rat
Journal of Cardiovascular Pharmacology
Neurophysiological evidence for and characterization of the post-ganglionic innervation of the adrenal gland in the rat
Acta Physiologica Scandinavica
DIFFERENTIATED RESPONSES OF RENAL AND ADRENAL SYMPATHETIC-NERVE ACTIVITY TO INTRAVENOUS MORPHINE ADMINISTRATION IN ANESTHETIZED RATS
Journal of Pharmacology and Experimental Therapeutics
Electrical stimulation of the gastrocnemius muscle in the spontaneously hypertensive rat increases the pain threshold: role of different serotonergic receptors
Acta Physiologica Scandinavica
REGIONAL CHANGES IN SYMPATHETIC-NERVE ACTIVITY AND BARORECEPTOR REFLEX FUNCTION AND ARTERIAL PLASMA-LEVELS OF CATECHOLAMINES, RENIN AND VASOPRESSIN DURING NALOXONE-PRECIPITATED MORPHINE-WITHDRAWAL IN RATS
Journal of Pharmacology and Experimental Therapeutics
Role of different serotonergic receptors in the long-lasting blood pressure depression following muscle stimulation in the spontaneously hypertensive rat
Acta Physiologica Scandinavica
1989
Relative cerebral ischemia in SHR due to hypotensive hemorrhage: cerebral function, blood flow and extracellular levels of lactate and purine catabolites.
Effect of the calcium antagonists felodipine and nimodipine on cortical blood flow in the spontaneously hypertensive rat.
The effects of naloxone on cerebral blood flow and cerebral function during relative cerebral ischemia.
1988
SYMPATHETIC INHIBITION FROM VAGAL AFFERENTS DURING SEVERE HEMORRHAGE IN RATS
Acta Physiologica Scandinavica
Repeated measurements of cerebral blood flow in rats. Comparisons between the hydrogen clearance method and laser Doppler flowmetry
Acta Physiologica Scandinavica
Endorphin mechanisms are responsible for the beneficial effects of opioid antagonists on cerebral function during relative cerebral ischaemia in rats.
Repeated measurements of cerebral blood flow in rats. Comparisons between the hydrogen clearance method and laser Doppler flowmetry.
Endorphin mechanisms are responsible for the beneficial effects of opioid antagonists on cerebral function during relative cerebral ischaemia in rats
Acta Physiologica Scandinavica
Sympathetic inhibition from vagal afferents during severe haemorrhage in rats.
1987
The effects of naloxone on behavioural depression due to hypotensive haemorrhage in unanaesthetized spontaneously hypertensive rats
Acta Physiologica Scandinavica
The effects of naloxone on behavioural depression due to hypotensive haemorrhage in unanaesthetized spontaneously hypertensive rats.
1986
Cerebral function during hypotensive haemorrhage in spontaneously hypertensive rats and Wistar Kyoto rats.
The effects of naloxone on cerebral function in spontaneously hypertensive rats during hypotensive haemorrhage.
Cerebral function during hypotensive haemorrhage in spontaneously hypertensive rats and Wistar Kyoto rats
Acta Physiologica Scandinavica
The effects of naloxone on cerebral function in spontaneously hypertensive rats during hypotensive haemorrhage
Acta Physiologica Scandinavica
THE EFFECTS OF OPIOID ANTAGONISTS ON CEREBRAL FUNCTION IN SHR DURING HEMORRHAGIC HYPOTENSION
Acta Physiologica Scandinavica
1985
ARE THE BENEFICIAL-EFFECTS OF NALOXONE IN CEREBRAL-ISCHEMIA DUE TO NON-OPIOID MECHANISMS
Federation Proceedings
Keywords for Specialisation:
autonomic nervous system
sympathetic nervous system
microneurography
heart
vessels
in vivo experiments
rats
Cardiovascular control
pain
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