2. Causes
No known single
cause
There are theories
that imply that it is
caused by genetic
and heredity
A “trigger” has not
been found yet
Prevalent in all
races
3.
4. Characteristics
Issues with social skills
such as little eye contact,
resistance to being
touched, difficulty
understanding jokes, does
not have a filter, and has
issues keeping friends
Speech is abnormally loud
or quiet
Likes consistency and
habit
And many more…
5. Frequency
1 in 68 children have
autism
5 times more common in
boys
Boys- 1 in 42
Girls- 1 in 189
6.
7. Works Cited:
"Autism characteristics." List of autism
characteristics. N.p., n.d. Web. 1 Apr. 2014.
<http://www.calgaryautism.com/characteristics.htm
>.
"Causes - Autism Society." Autism Society Causes
Comments. N.p., n.d. Web. 1 Apr. 2014.
<http://www.autism-society.org/about-
autism/causes/>.
"Data & Statistics." Centers for Disease Control and
Prevention. Centers for Disease Control and
Prevention, 24 Mar. 2014.Web. 1 Apr. 2014.
<http://www.cdc.gov/ncbddd/autism/data.html>.