Motor Function in Aging Great Lakes Fisheaters

Exposure to contaminants in Great Lakes fish has been linked to impaired neuropsychological functioning in children, but neurological function of exposed adults has not been evaluated. This report describes a cross-sectional analysis of the effects of PCB/DDE exposure from contaminated fish on fine...

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Bibliographic Details
Published in:Environmental research 1999-02, Vol.80 (2), p.S46-S56
Main Authors: Schantz, Susan L., Gardiner, Joseph C., Gasior, Donna M., Sweeney, Anne M., Humphrey, Harold E.B., McCaffrey, Robert J.
Format: Article
Language:English
Subjects:
Age Factors
Aged
Aged, 80 and over
aging
Animals
Biological and medical sciences
Cross-Sectional Studies
DDE
Eating
Female
Fishes
Food Contamination
Food toxicology
Great Lakes fish
Great Lakes Region
Humans
Male
Medical sciences
Michigan
Middle Aged
motor function
Motor Skills Disorders - etiology
PCBs
Psychomotor Performance - drug effects
Sex Factors
Toxicology
Water Pollutants, Chemical - adverse effects
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Summary:Exposure to contaminants in Great Lakes fish has been linked to impaired neuropsychological functioning in children, but neurological function of exposed adults has not been evaluated. This report describes a cross-sectional analysis of the effects of PCB/DDE exposure from contaminated fish on fine motor function in older adults. The subjects were 50–90-year-old Michigan residents who were members of a previously established study cohort. Fisheaters ate 24 lbs or more of sport-caught Lake Michigan fish/year at the time they were originally recruited in 1980–1982. Age- and sex-matched non-fisheaters ate 6 or fewer lbs/year. Outcome measures were scores on the Static Motor Steadiness Test (SMST) and Grooved Pegboard Test (GPT). PCB/DDE exposure was determined through serum analyses performed at the time of recruitment into the present study in 1993–1995. Because of the high correlation between serum PCB and DDE levels in this sample (Spearmanr=0.64,P
ISSN:0013-9351
1096-0953
DOI:10.1006/enrs.1998.3904