In fact, here is a brief list for all.
Signs that YOUR child or someone else's Child may have autism:
Insistence on sameness; resistance to change
Difficulty in expressing needs; uses gestures or pointing instead of words
Repeating words or phrases in place of normal, responsive language
Laughing, crying, showing distress for reasons not apparent to others
Prefers to be alone; aloof manner
Tantrums
Difficulty in mixing with others
May not want to cuddle or be cuddled
Little or no eye contact
Unresponsive to normal teaching methods
Sustained odd play
Spins objects
Inappropriate attachments to objects
Apparent over-sensitivity or under-sensitivity to pain
No real fears of danger
Noticeable physical over-activity or extreme under-activity
Uneven gross/fine motor skills
Not responsive to verbal cues; acts as if deaf although hearing tests in normal range.