Exteroceptive suppression of masseter muscle: assessment of two methods for quantitating suppression periods

Acta Neurologica Scandinavica
P O HansenT S Jensen

Abstract

The late exteroceptive suppression period (ES2) of the masseter muscle is conventionally quantified by a combination of measures of duration, amplitude, or mean activity. The combination of measures makes it difficult to compare ES2s obtained from different set-ups. An unbiased method for quantitating ES2 is introduced allowing ranking of ES2s. The introduced method is utilized to evaluate stimulus and recording conditions under which ES2 is maximal. Fifteen male volunteers participated in 3 experiments designed to determine the effect of level of teeth clenching, stimulus intensity, and perceived pain intensity on the ES2. Coefficients of variance (1 h/1 month) were: duration: 11%/43%, latency: 9%/12%, and magnitude of suppression: 11%/12%. A level of teeth clenching of 66% of maximal voluntary bite force, and a stimulus intensity below pain detection threshold was associated with maximal magnitude of suppression of ES2. The introduced method is reproducible and allows ranking and stimulus-response estimations of ES2. It is suggested that ES2 does not reflect activity along the nociceptive pathways in the trigeminal region.

References

Jul 1, 1976·Journal of Neurology, Neurosurgery, and Psychiatry·B W Ongerboer de Visser, C Goor
Jan 1, 1991·Annual Review of Neuroscience·H L FieldsP Mason
May 1, 1991·Cephalalgia : an International Journal of Headache·T M WallaschH D Langohr
Jun 1, 1990·Brain : a Journal of Neurology·B W Ongerboer de VisserJ H Koelman
Nov 1, 1989·Journal of Oral Rehabilitation·H W van der Glas, D van Steenberghe
Jan 1, 1989·Experimental Brain Research·G CruccuB W Ongerboer de Visser
Jan 1, 1988·Journal of Oral Rehabilitation·K S Türker
Jan 1, 1987·Experimental Brain Research·T S Miles, K S Türker
Sep 1, 1983·Journal of Dental Research·G LavigneJ P Lund
Jan 1, 1997·Acta Anaesthesiologica Scandinavica·T S Jensen

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.

Related Papers

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
Osamu KomiyamaAntoon De Laat
Neurophysiologie clinique = Clinical neurophysiology
R MarashiJ M Guérit
Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
P O HansenT S Jensen
© 2022 Meta ULC. All rights reserved