The document discusses emotional disturbances, behavioral disorders, and physical challenges. It defines emotional disturbances and behavioral disorders, noting they have similar but distinct characteristics. Emotional disturbances negatively impact educational performance through inability to learn, difficulty with relationships, inappropriate behaviors, unhappiness, and physical symptoms or fears of school. Behavioral disorders are more external through acting out or aggression. The document also discusses various physical disabilities like cerebral palsy and strategies for teaching students with these conditions, including a focus on activities of daily living, assistive technology, and collaboration between teachers and therapists.