11 Autism symptoms involve challenges with social communication and interaction, and restricted or repetitive behaviors. Examples include difficulty understanding social cues, making friends, and handling change, along with repetitive movements like hand-flapping, intense focus on specific interests, and a need for routine. Symptoms can manifest differently in children versus adults and can include sensory sensitivities, unusual eating/sleeping habits, and different ways of learning or moving. Social communication and interaction - Difficulty with social cues: - Challenges with conversation: - Limited eye contact: - Different ways of connecting: Restricted and repetitive behaviors - Repetitive movements: Flapping hands, rocking, or spinning. - Sticking to routines: Strong preference for routine and significant distress when it changes. - Intense interests: Deeply focusing on specific subjects or hobbies, sometimes to the point of difficulty shifting focus. - Sensory sensitivities: Getting very upset by certain tastes, smells, or sounds; being fascinated by lights or movement. - Rituals: Lining up objects or repeating phrases over and over. Other signs - Delayed skills: Delayed language, movement, or cognitive skills. - Regression: Some children may develop skills and then lose them between 15 and 24 months of age. - Unusual eating/sleeping habits: Experiencing irregular eating or sleeping patterns. - Hyperactivity or impulsivity: Displaying hyperactive, impulsive, or inattentive behaviors. - Anxiety: Experiencing high levels of anxiety, stress, or emotional overwhelm.