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Red Flags of Autism Spectrum Disorder by 1 to 2 Years of Age.
| Reduced social interest and affect |
| lack of warm, joyful emotional expressions |
| lack of sharing emotional enjoyment or interest |
| lack of response to name |
| lack of showing and interacting |
| Abnormal language development |
| Lack of coordination of gaze, facial expression, gesture & sound during interactions |
