| Cognitive Impairments | |
|---|---|
| TOXIC HEAVY METALS | SPECIFIC EFFECTS |
| Arsenic, Lead, Mercury | Mental retardation borderline intelligence |
| Copper, Lead | Uneven performance on IQ scores – low IQ scores |
| Aluminum, Lead | Poor concentration attention deficits (ADHD) response inhibition |
| Aluminum, Lead | Poor memory, short term verbal & auditory |
| Aluminum | Dementia, pre-senile and senile dementia |
| Aluminum, Lead | Stupor |
| Lead | Impaired reaction time, lower performance on timed tests |
