What is anterograde amnesia?
Anterograde amnesia is a condition in which the individual is unable to create new memories. His old memories still exist, and his short -term memory is still functional, but is unable to introduce new information into his long -term memory. Anterograde amnesia is almost always a direct result of a certain form of brain or trauma damage, but its exact cause, as well as the exact mechanism of memory formation and storage, is not fully understood. On the contrary, retrograde amnesia is a condition in which the individual loses memories that are formed before an incident that causes brain damage.
There are several different parts of the brain associated with anterograde amnesia. Hippocampus must go through a large number of new information before permanent memory is committed; Damage to hippocamp as such can prevent memory formation. The basal front brain contains structures that produce chemicals important for learning, which is necessary for the ion memorial format. Other less significant part of the brain byLY also associated with anterograde amnesia, although the connection between structures and memory creation is often misunderstood.
The severity of anterograde amnesia may vary from case to the case, but this always includes serious oblivion. Sometimes amnesia is chemically induced for research purposes; In these cases it is temporary. Anterograde amnesia caused by brain damage is often permanent. Over time, memory loss may improve or deteriorate; There is no set rule describing the procedure of learning damage.
Not all forms of learning are completely impossible for individuals with anterograde amnesia. Although they are often unable to remember all the facts about everything that has happened because they have suffered brain damage, individuals suffering from amnesia can still learn skills. Studies have shown that while an individual who is unable to create new memories will not have a memoryIn order to learn a new skill, he will often be able to perform a new skill without learning again. This is because its declarative memory is disturbed, while its procedural memory continues to work.
The human brain is known for its plasticity. Neural plasticity describes the ability of the nerves to create new nerve pathways to obtain lost functionality. In some cases, this involves the transmission of various nerve functions from one side of the brain to the other. Neural plasticity has resulted in the restoration of some nerve functionality in some individuals who have suffered brain damage. Scientists study ways to apply the properties of nerve plasticity to treatment for anterograde amnesia and other diseases caused by brain damage.