Major types of amnesia8/7/2023 Post-traumatic amnesia results from a brain injury such as a stroke, coma, or other head trauma. Some of the causes of temporary amnesia include concussion, severe illness and high fever, emotional stress, some drugs and electroconvulsive therapy. Symptoms include memory loss, confusion and the inability to recognise familiar faces or places. Dissociative amnesia stems from extremely stressful circumstances or events in a persons life that cause them to dissociate. Traumatic amnesia: This is a type of memory loss caused by a hard blow to the head, for instance, people who lose their memory as the result of a car accident. Summary Read the full fact sheet Amnesia is a general term describing memory loss. To find out more go to the younger onset dementia hub. Some of the main causes of memory loss include injuries, illnesses, and stressful events. The term ‘younger onset dementia’ is used to describe any form of dementia diagnosed in people under the age of 65. Anterograde amnesia is commonly caused by brain trauma. The most common causes of dementia include Alzheimer’s disease, vascular dementia and dementia with Lewy bodies.Īlthough the risk of getting dementia increase as we age, people in their 40s and 50s can also have dementia. There are two common types of amnesia: anterograde amnesia and retrograde amnesia (Figure 1). There are over 100 diseases that may cause dementia. There are two main types of amnesia: retrograde amnesia and anterograde amnesia. We now know dementia is a disease symptom, and not a normal part of ageing. It was not until the mid 1970s that dementia begun to be described as we know it today. It is a condition that has been noted in people for hundreds of years.ĭementia was a relatively rare occurrence before the 20th century as fewer people lived to old age in pre-industrial society. There are five types of dissociative disorders. They’re treatable usually with psychotherapy (talk therapy). These conditions typically develop as a response to trauma. Dementia is the umbrella term for a number of neurological conditions, of which the major symptom includes a global decline in brain function. Dissociative amnesia Unspecified Other specified Recap Dissociative disorders involve a loss of awareness of your surroundings or self. There are three dissociative disorders, including dissociative identity disorder, dissociative amnesia and depersonalization/derealization disorder.
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