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Viral infections are the usual cause of infectious encephalitis. [11] Viral encephalitis can occur either as a direct effect of an acute infection, or as one of the sequelae of a latent infection. The majority of viral cases of encephalitis have an unknown cause; however, the most common identifiable cause of viral encephalitis is from herpes ...
“It is a large leap to assign a virus, HSV, which causes encephalitis, bloody infections in brains, white matter changes and death, and cognitive complaints, to cause memory loss from dementia ...
It can also produce neurological symptoms such as confusion, memory loss, weakness, sensory loss, pain, seizures, and problems coordinating the movement of the body. [2] While its cause is unknown, the most common hypothesis is that it is caused by an immune system attack on the nervous system.
Anti-NMDA receptor encephalitis is the most common autoimmune encephalitis. It can cause paranoid and grandiose delusions, agitation, hallucinations (visual and auditory), bizarre behavior, fear, short-term memory loss, and confusion. [9] HIV encephalopathy can lead to dementia. [citation needed]
Occasional memory loss can happen to anyone, no matter how old you are. Sometimes there is an external cause, related to how you are living your life — and making changes to your life can help ...
A second cause is a traumatic brain injury in which damage is usually done to the hippocampus or surrounding cortices. It may also be caused by PTSD, a shocking event, or an emotional disorder. [5] Illness, though much rarer, can also cause anterograde amnesia if it causes encephalitis, which is the inflammation
Damage to the limbic system involves loss or damage to memory, and may include: [citation needed] loss or confusion of long-term memory prior to focal neuropathy (retrograde amnesia) inability to form new memories (anterograde amnesia) loss of, or reduced emotions ; loss of olfactory functions; loss of decision-making ability
Viral encephalitis can be diagnosed based on the individual's symptoms, personal history, such as travel history, and different clinical tests such as histology, medical imaging, and lumbar punctures. A differential diagnosis can also be done to rule out other causes of the encephalitis. Many encephalitic viruses often have characteristic ...