Patients with Alzheimer's disease have limited language ability when telling stories. They use fewer nouns and more pronouns. It shows that the central information integration ability of Alzheimer's patients is poor, and the world is only a concrete object in their eyes. As for the relationship between these objects and their surrounding environment, they can't recognize it. Patients with Alzheimer's disease have limited language ability when telling stories. They use fewer nouns and more pronouns. It shows that the central information integration ability of Alzheimer's patients is poor, and the world is only a concrete object in their eyes. As for the relationship between these objects and their surrounding environment, they can't recognize it. Patients with Alzheimer's disease have limited language ability when telling stories. They use fewer nouns and more pronouns. It shows that the central information integration ability of Alzheimer's patients is poor, and the world is only a concrete object in their eyes. As for the relationship between these objects and their surrounding environment, they can't recognize it. Patients with Alzheimer's disease have limited language ability when telling stories. They use fewer nouns and more pronouns. It shows that the central information integration ability of Alzheimer's patients is poor, and the world is only a concrete object in their eyes. As for the relationship between these objects and their surrounding environment, they can't recognize it. Patients with Alzheimer's disease have limited language ability when telling stories. They use fewer nouns and more pronouns. It shows that the central information integration ability of Alzheimer's patients is poor, and the world is only a concrete object in their eyes. As for the relationship between these objects and their surrounding environment, they can't recognize it.