. Author manuscript; available in PMC: 2021 May 1.

Published in final edited form as: Neurotoxicology. 2020 Feb 22;78:88–98. doi: 10.1016/j.neuro.2020.02.011

Table 5:

Mercury Exposure for Subjects With High Brain Mercury Levels

	Subject

	1	2	3	4

Mercury Exposure	Dimethyl Mercury	Dimethyl Mercury	Mercury Vapor	Mercury Liquid

Mercury Valence	Hg⁺⁺	Hg⁺⁺	Hg⁰	Hg⁰

Anatomical Site	(Total Hg, ppb)

Cerebral Cortex				850
Frontal Cortex	2070	1790	44,600
Occipital Cortex	1179	1974	69,200

Deep Gray Nuclei	3,620	548	65,000	NA

Cerebellar Cortex	3,310	1,104	11,6700	NA

Brainstem	1,800	290	81,200	NA

Average % Inorganic Hg in Brain for all sites	60 – 83 (n = 5)	82 – 100 (n = 5)	100 (n = 5)	100 (n = 1)