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To better understandmemory, psychologists often study its two extremes: eidetic (photographic) memory and anterograde amnesia.Psychologistshave researched memory extensively to understand how it functions. Two types of memory, which can help to understand memory better, are eidetic or photographic memory and anterograde amnesia.A photographic memory, also known as an eidetic memory, is a type of memory that allows a person to remember images with incredible clarity after seeing them only once.Anterograde amnesia is a memory disorder that makes it difficult or impossible to remember events that have occurred after an injury or a brain disease.Eidetic memory:Eidetic memory is a type of visual memory that allows a person to remember an image or object with a great deal of detail and clarity.A person with eidetic memory can retain an image in their mind for an extended period. The individual can recall the image with almost perfect clarity, including details such as colors, patterns, and textures.However, the scientific community is divided on whether true photographic memory exists or not. The existence of photographic memory is still a subject of debate, and researchers continue to investigate this phenomenon.Anterograde amnesia:Anterograde amnesia is a memory disorder that makes it difficult or impossible to remember events that have occurred after an injury or a brain disease. Patients with this condition have a hard time retaining new information and typically lose their ability to create new memories.They can still remember past events, but they cannot create new ones. Anterograde amnesia affects the hippocampus, a part of the brain that is responsible for forming new memories.The causes of this disorder can be brain injuries, certain types of medications, or diseases that damage the brain.In conclusion, by studying thesetwo extreme types of memory, researchers can gain a deeper understanding of how memory works. They can also gain insight into how the brain stores and retrieves information, which can help develop new treatments for memory disorders.Know more aboutAnterograde amnesiaclick here:brainly.com/question/31596956#SPJ11...