Early Chronic Low-level Methylmercury Poisoning in Monkeys Impairs Spatial Vision

Overview

Journal Science

Specialty Science

Date 1982 May 14

PMID 7079739

Citations 15

Authors

D C Rice

S G Gilbert

Affiliations

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Abstract

Five monkeys were treated from birth with oral doses of mercury as methylmercury (50 micrograms per kilogram of body weight per day); concentrations in the blood peaked at 1.2 to 1.4 parts per million; and declined after weaning from infant formula to a steady level of 0.6 to 0.9 part per million. There were no overt signs of toxicity. When tested between 3 and 4 years of age under conditions of both high and low luminance, treated monkeys exhibited spatial vision that was impaired compared with that of control monkeys.

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