Comparison of symptoms of mercury poisoning and autism - page 2 of 4
Mercury Poisoning
Autism
Cognitive Impairments
Borderline intelligence, mental retardation - sometimes "recovered"
Poor concentration, attention, shifting attention
Uneven performance on IQ subtests
Verbal IQ higher than performance IQ
Poor short term, auditory & verbal memory
Poor visual and perceptual motor skills, lower performance on timed tests
Difficulty carrying out multiple commands
Word-comprehension difficulties
Deficits in abstract thinking & symbolism, understanding other�s mental states, sequencing, planning & organizing
Borderline intelligence, mental retardation - some cases reversible
Poor concentration, attention, response inhibition
Uneven performance on IQ subtests
Verbal IQ higher than performance IQ
Poor short term, verbal, & auditory memory
Poor visual and perceptual motor skills, impairment in simple reaction time
Difficulty carrying out complex commands
Word-comprehension difficulties
Deficits in understanding abstract ideas & symbolism; degeneration of higher mental powers
Unusual Behaviors
Stereotyped sniffing (rats)
ADHD traits
Agitation, unprovoked crying, grimacing, staring spells
Sleep difficulties
Eating disorders, feeding problems
Self injurious behavior, e.g. head banging
Stereotyped, repetitive behaviors
ADHD traits
Agitation, unprovoked crying, grimacing, staring spells
Sleep difficulties
Eating disorders, feeding problems
Self injurious behavior, e.g. head banging
Visual Impairments
Poor eye contact, impaired visual fixation
�Visual impairments,� blindness, near-sightedness, decreased visual acuity
Light sensitivity, photophobia
Blurred or hazy vision
Constricted visual fields
Poor eye contact, problems in joint attention
�Visual impairments�; inaccurate/slow saccades; decreased rod functioning
Over-sensitivity to light
Blurred vision
Source: Autism - A Unique Type of Mercury Poisoning
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