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| CATSYS Users & Publications |
1988 to mid 2007 Updated: 30 August 2007

National Institute of Occupational Health, Sweden, Division of Psychophysiology.
Dr. Anders Iregren
Methodology study: tremor analysis in occupational control.
App. 1995

Hvidovre Hospital, Denmark, Clinic of Eye Diseases.
Dr. Simon von Sprechelsen MD
Study of the impact of beta blockers on tremor and coordination ability.
Dr. Sprechelsen was awarded Copenhagen University's Gold Medal 1993 for this work.
App. 1990

Odense University, Denmark, Institute of Community Health.
Professor Philippe Grandjean, Chief Physician Lene Wermuth MD, Dr Heidi Biernat, MD.
Study of the impact of mercury based informal goldmining in Brazil.
Study of Tremor analysis in the early diagnosis of Parkinson's Disease.
Postural stability in Parkinson's Disease: a study of twins.
Mercury exposure: epidemiological examination at the Faroe Islands.
1995 - 2004

Emory University, USA, The Rollins School of Public Health, Atlanta.
Dr. Richard Letz, Chair, Dept. of Behavioural Sciences and Health Education.
Tremor analysis in an occupational health study of mercury exposed workers.
2002

Boston University, USA, School of Medicine, Department of Neurology.
Prof. Robert Feldman M.D.
Tremor analysis for screening and supervising patients with Parkinson's Disease.
1994

The National University Hospital, Copenhagen, Clinic of Occupational Medicine.
Professor Finn Gyntelberg
Assessment of coordination ability and tremor in the daily clinical routine.
Occupational Exposure to Organic Solvents, Cognitive Dysfunction and Coordination Ability in Danish.
Steel Plant Workers. Finn Gyntelberg et al. 1993. EU-contract 7280/05/Rigshospitalet .
Impact of Gender, Age, Concentration Problems, and Central Nervous System Affection on Coordination Ability. Miya Kato Rand. 1992.
The impact of alcohol intoxication on coordination ability.
Coordination ability of motoric dysfunctions in children.
Golf war veterans survey: degradation of coordination ability, tremor and postural stability in Danish vet-erans from the Golf War.

The National University Hospital, Copenhagen, Denmark, Department of Neurology.
Dr. Gitte Ørsnes.
Examination of the impact of two different drug types on multiple sclerosis.
App. 1998

National University of Singapore, Dept. of Community, Occupational and Family Medicine.
Dr. Cia Sin Eng
Methodology study
Fall 1995

University of Washington, USA, Environmental Health.
Dr. Nicholas Heyer.
Study of mercury intoxication on American dentists.
1992

Frederiksberg Hospital, Copenhagen, Denmark, Department of Clinic Physiology.
Dr. Jesper Mehlsen.
Coordination ability degradation with age.
App. 1990

Copenhagen County Hospital, Denmark, Clinic of Occupational Health, Glostrup.
Dr. Sigurd Mikkelsen
Coordination ability in daily clinic routine.
Mixed solvent Exposure and Brain Damage. A Study of Painters. Acta Neurol. Scand. 1988, (suppl.) 118: 78: 1-143.
Normal material on coordination ability and tremor.
App. 1990

Hillerød Hospital, Denmark, Clinic of Occupational Medicine, Frederiksborg County.
Dr. Bo Netterstrøm
The impact of acute mercury intoxication on coordination ability and tremor.
Fifth International Symposium of Neurobehavioral Methods etc., Cairo, December 1994 and Conference on Computerbased methods within Neurotoxicology, Portland, June 1995 and "Neurotoxicology and Teratology" Vol 18 pp. 505-509, 1996, 1996.
The impact of manganese exposure on tremor and coordination ability of steelwork labours. Presented, Stockholm, Sept. 1996.

Université du Quebéc à Montréal, Canada, Departement de Kinanthropologie.
Professor Anne Beuter et al-
Pilot studies within occupational health and alcohol abuse.
Study of Tremor analysis in the early diagnosis of Parkinson's Disease.
Metholody evaluation: postural stability.
Normal material, gender-age divided, tremor and postural stability: Standardization of a neuromotor test battery: The CATSYS System. Christine Després, Daniel Lamoureux and Anne Beuter.
App. 2000

European Astronaute Centre, Köln, Germany.
Dr. Flemming Bonde-Petersen, MD
Tremor and coordination ability stability in a long-time isolation experiment.
Main Report on Exemsi 1992, p.130. ISBN 82-7280-300-2.

The National University Hospital, Copenhagen, Clinic of Occupational Medicine in cooperation with Skive Hospital, Department of Anaesthesiology.
Dr. Finn Gyntelberg MD, Dr. Torben Palm MD
Computerized coordination ability testing: The influence of anaesthesia on coordination ability. Acta Neurologica Scandinavia, 1990: 82: 39-42.

Copenhagen County Hospital, Denmark, Clinic of Occupational Health, Glostrup, in coop. with Lund University Hospital, Sweden, Clinic of Occupational Health.
Chief Physician Sigurd Mikkelsen MD, Profesor Staffan Skärfving, MD.
Mercury intoxication in former workers at a Danish soya oil extraction plant.
App. 1998

South Jutland County Hospital, Denmark, Clinic of Occupational Medicine, Esbjerg.
Chief Physician Jørgen Riis Jepsen MD
Study of impact of the entrapment of sensoric and motoric nerves on coordination ability and tremor.
App. 1998

Bispebjerg Hospital, Copenhagen, Denmark. Audiological Dept.
Professor Agnete Parving
Postural stability in elderly subjects with impaired hearing.
App. 1996

The Royal Danish Marine, Holmen, Copenhagen. The Diving School in cooperation with the Na-tional University Hospital, Copenhagen.
Dr. Bent Jessen MD, Chief Physician Erik Jansen
Postural stability impairments following diving chamber depressuration.
1998 -

Institute of Occupational medicine, University of Brescia.
Dr. Roberto Lucchini MD
Cattedra di Medicina del Lavoro
University of Brescia
P.le Spedali Civili 1
25125 Brescia, Italy
Manganese Neurotoxicity. A study on previously exposed workers.
App. 2002

Copenhagen County Hospital Gentofte. Dept. of Psychiatry.
Dr. Henrik Lublin MD.
Analysis of drug-induced tremor in the development of new drugs.

Norway: Statens Arbeidsmiljø Institut.
Dr. Rita Bast Pettersen et al.
The Kløve-Matthews Static Steadiness Test Compared with DPD TREMOR.
Comparison of Fine Motor Control Tasks with Measures of Tremor in Smokers and Manganese Exposed Workers. NeuroToxicology 26 (2005) 331 v- 342.

Norway: Statens Arbeidsmiljø Institut.
Dr. Rita Bast Pettersen et al.
Hand tremor related to smoking habits and the consumption of caffeine in male industrial workers. NeuroToxicology 27 (2006) 525-533

University of South Florida, 2007.
Dr. Juan Sanchez-Ramos, PhD, MD Helen E. Ellis Professor of Neurology
We use the accelerometer to characterize tremor in our Movement Disorders Clinic at the University of South Florida, Tampa, USA.
In addition, we have an ongoing study project (2007) comparing the tremor in workers exposed to manganese in welding fumes to the tremors of Parkinson's Disease and Essential Tremor.
Sanchez-Ramos J, et al. Quantitative tremor analysis in welders: Comparison with idiopathic Parkinson's disease (IPD) and essential tremor (ET). Movement Disorders 2006;21(9):1548-154.

School of Psychological Science, La Trobe University, Bundoora, Victoria, Australia.
Mr. Amber Canale

IDEWE, Medische Informatica, Leuven-Heverlee, Belgium.
Dr. Patrick Vercammen, M.D. ,MACS

Québec National Institute of Public Health, Sainte-Foy, Québec, Canada.
Dr. Ludivine Chateau-Degat

Université du Québec à Montréal, CINBIOSE, WHO-PAHO Collaborating Center in Occupational and Environmental Health, Montréal, Québec, Canada
Dr. Donna Mergler PhD, Director

Arbejdsmedicinsk Klinik, Herning Sygehus, Denmark.
Dr. Jens Peder Haahr. Chief physician
Nerve entrapment in blue collar workers
App. 1995

IFA, Quito, Ecuador.
Dr. Raul Harari
Examination of pesticide–exposed workers in the flower industry
App. 2003

Occupational and Environmental Medicine, Sahlgrenska University Hospital Department of Occupational Medicine, Goteborg University, Sweden.
Dr. Lars Barregård, Chief physician, Associate professor, Consultant
App. 2002

Arbeidsmedisinsk avdeling, St. Olavs Hospital, Trondheim, Norway.
Dr. Oddfrid Aas and Dr. Helge Sletvold

US Environmental Protection Agency, Research Triangle Park, North Carolina, USA.
Dr. H Kenneth Hudnell, PhD Neurotoxicologist
Several epidemiological examinations
From app. 1998

Institute of Occupational Medicine and Environmenatl Health, Sosnowiec, Poland.
Dr. Krystyna Pawlas D.SC. Head of Laboratory of Noise and Audiology

National Neuroscience Institute, Singapore.
Dr Wing Lok Au

Dept. of Neurology, Semmelweis University, Budapest, Hungary.
Dr. Anita Csillik, Chief Physician, and Dr. Zsuzsanna Farkas, et al.
Asymmetry of tremor intensity and frequency in Parkinson’s disease and essential tremor. Parkinsonism and Related Disorders 12 (2006) 49–55, Elsevier
Effect of antiepileptic drugs on tremor and motor coordination (Poster summary).
Impaired Rhythm Generation in Essential Tremor. Movement Disorders, Vol. 00, No. 0, 2006, pp. 000–000, © 2006 Movement Disorder Society.

Department of Human Genetics, Emory University School of Medicine, Atlanta, Georgia, USA.
Gloria J. Novak, Ed.S. Project Coordinator

M.I.N.D. Institute, UC Davis Medical Center, Sacramento, California.
Dr. Jennifer B. Cogswell

U.S. Environmental Protection Agency, Clinical Research Branch, Human Studies Division, National Health and Environmental Effects Research Laboratory, Research Triangle Park, North Carolina, USA.
Dr. Dave Otto

Department of Neurology, University of Miami, Miller School of Medicine, Florida, USA.
Dr. Spiridon Papapetropoulos MD, PhD.
Our phase 1 clinical trial paper using CATSYS to objectively record symptom improvement during subthalamic nucleus deep brain stimulation for Parkinson's disease was accepted for publication in Neurology. Expected published in "Neurology".

Department of Occupational and Environmental Health, The University of Iowa, College of Public Health, Iowa City, Iowa, USA.
Professor Fred Gerr, MD

Parkinson Research Institute, Milwaukee, Wisconsin, USA.
Mrs. Dacy Reimer RN/CCRC Research Development Coordinator

National Institute of Occupational Safety and Health, NIOSH/HELD/ECTB, Morgantown, West Virginia, USA.
Mrs. Anne Brumfield Biomedical Engineer

School of Psychology, Massey University, Wellington Campus, New Zealand.
Dr Linda Jones
1. New Zealand Tremor Norms Project.
2. Tremor, tapping, SRT and postural sway in various conditions and treatment of Parkinsonisms.
3. A case study of tremor and atypical PD.
4. Tremor as an individual risk indicator in occupational mercury exposure.
Starting 2006

Akita University School of Medicine, Department of Hygiene, Akita 010-8543, Japan.
Professor Katsuyuki Murata, MD, DMSc
2004

Environmental Health Sciences, Tohoku University School of Medicine, Aoba, Sendai, Japan.
Professor Hiroshi Satoh
2005

Environmental Health Sciences, Department of Social Medicine, Akita University School of Medicine, Akita, Japan.
Dr. Toyoto Iwata, MD, PhD
2005

Department of Occupational and Environmental Medicine, Ulsan University Hospital, Dong-Ku, Ulsan, South Korea.
Dr. Yangho Kim, MD
2005

Department of Preventive Medicine. College of Medicine, Yeungnam University, Nam-gu, Daegu-si, South Korea.
Dr. Joon Sakong, MD
Eun A Kim, Hae-Kwan Cheong, Dae Seob Choi, Joon Sakong, Jae Wook Ryoo, Injeong Park, Dong Mug Kang.
Effects of occupational manganese exposure on the central nervous system of welders: H magnetic re-sonance spectroscopy and MRI findings. Neurotoxicology. 28(2007): 276-283.

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