Retrograde amnesiais the inability to remember past experiences.

It is specifically characterized by the loss of information or memories acquired before the event that caused the amnesia.

Types of retrograde amnesia have different causes, including traumatic experience andtraumatic brain injury(TBI).

Confused women

Rafa Elias / Getty Images

These types present with different symptoms and require varied treatments.

In some cases, such as Alzheimer’s disease, there is no cure.

For others, the outlook with therapy is more optimistic.

The other key in of amnesia is anterograde amnesia.

However, it can also have a short-term retrograde effect lasting less than 24 hours.

Causes

Some leading causes of memory loss include injuries, illnesses, and stressful events.

The priority usually involves treating the cause of amnesia to help people regain their memories.

For example, extensive rehabilitation may be needed to treat TBI-related memory loss.

Or, a mental health professional can provide therapy for amnesia caused byadverse childhood experience(ACE).

For Alzheimer’s disease or other degenerative illnesses, there is no available cure.

In some cases, memory can even be restored though only to a point.

Coping With Memory Loss

Many people with retrograde amnesia struggle to understand what has happened to them.

Talk with your healthcare providers about coping techniques that may help.

Prognosis

The prognosis depends significantly on the source of the amnesia.

In some cases, memory loss is brief, lasting only days or weeks.

However, memory loss can last for years or even be permanent for others.

With a condition like Alzheimer’s, memory loss may even get worse over time.

Summary

Retrograde amnesia is the inability to recall or remember past experiences.

Memory loss can be temporary, long-lasting, or even permanent.

Your healthcare provider will run several noninvasive diagnostic tests to diagnose retrograde amnesia.

Allen RJ.Classic and recent advances in understanding amnesia.F1000Res.

2023 Aug;241(8):2057-2067. doi: 10.1007/s00221-023-06661-2.

A systematic review of the functional neuroimaging literature.Front Psychiatry.

Alberini CM, Travaglia A.Infantile amnesia: a critical period of learning to learn and remember.J Neurosci.

2017;37(24):5783-5795. doi:10.1523/JNEUROSCI.0324-17.2017

Genetic and Rare Diseases Information Center.Transient global amnesia.

Ortega-de San Luis C, Ryan TJ.United states of amnesia: rescuing memory loss from diverse conditions.Dis Model Mech.

2018;11(5):dmm035055.

doi:10.1242/dmm.035055

Casaletto KB, Heaton RK.Neuropsychological assessment: past and future.J Int Neuropsychol Soc.

2020 Jan 1;260:206-213. doi: 10.1016/j.jad.2019.09.003.

Harvard Health Publishing.Drugs for Alzheimer’s disease.