Submitted comments are subject to editing and editor review prior to posting.Read any comments already posted on the article prior to submission. Temporary Delay: All batteries received after September 26th will not be repaired until October 20th, 2022. Submit only on articles published within 6 months of issue date. Boosted Extended Range Battery RLOD Repair.(Exception: original author replies can include all original authors of the article) Submissions should not have more than 5 authors.Reference 1 must be the article on which you are commenting. Submissions must be You (and co-authors) do not need to fill out forms or check disclosures as author forms are still valid If you are responding to a comment that was written about an article you originally authored: Transient global amnesia (TGA) is a memory dysfunction characterized by a sudden onset of dense anterograde amnesia (AA) that gradually resolves across. Yet, it was not until 1964 that it gained recognition as we know it today, when Fisher and Adams 3 described the syndrome as TGA. Your co-authors must send a completed Publishing Agreement Form to Neurology Staff (not necessary for the lead/corresponding author as the form below will suffice) before you upload your comment. Transient global amnesia (TGA) was initially described in 1956 by Bender, 1 and at the same time but independently by Courjon and Guyotat, 2 as a syndrome characterized by sudden and temporary memory loss. You must have updated your disclosures within six months: The main clinical feature of transient global amnesia (TGA) is an acute anterograde memory disturbance that resolves within 24 h. If you are uploading a letter concerning an article: 5,6 ⇓Ĭan MRI help provide answers? The profound nature of the memory deficit has encouraged speculation that … View Full Text The same group has reported that a significantly higher percentage of TGA patients possess jugular venous backflow with Valsalva compared with controls. This type of damage can result from a traumatic injury, a serious illness, a seizure or. 4 Interestingly, there is some support for this hypothesis. Retrograde amnesia is caused by damage to the memory-storage areas of the brain, in various brain regions. More recently, Lewis hypothesized that TGA was related to venous congestion due to retrograde venous cerebral blood flow, because of the commonly reported association between TGA and situations that result in reduced venous return and retrograde venous blood flow (e.g., sexual activity, stress, Valsalva maneuver). 3 Unfortunately, definitive evidence supporting any of these mechanisms has been lacking. 3 Even a neuropsychological cause has been proposed. Various proponents have advocated ischemic, migrainous, and epileptic causes. What causes TGA? For years this question has been debated. There are no apparent long-term sequelae, and recurrence is uncommon. 1,2 ⇓ As quickly as the amnesic syndrome appears, it resolves, usually within 24 hours. Without warning, the patient suddenly experiences antegrade memory loss.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |