Psychiatric disorders are mental health conditions that can affect a person's thoughts, feelings, and behavior. MANIA is a psychiatric disorder characterized by an abnormally elevated mood, energy, and activity level. It is often accompanied by other symptoms such as decreased need for sleep, racing thoughts, and increased talkativeness. Autism is a developmental disorder that affects communication and behavior. It is characterized by difficulty with social interaction, repetitive behaviors, and difficulty with verbal and nonverbal communication.