Brain diseases, such as dementia, strokes, seizures, or a brain tumor. Definition: A condition characterized by sudden, temporary, usually short-lived memory loss, not associated with a. Brain injuries from blunt force, such as head injury from a car crash or bullet wound. Preferred Name: Transient Global Amnesia. For the remaining 13 sentences, the second word was replaced with the same synonym as in the present study, and in addition the first word was also replaced with a synonym. For 16 of these sentences, the second word was replaced with the same synonym as in the present study. Our findings suggest that interference mechanisms are preserved in amnesia despite the overall impairment to LTM, and challenge strict dual-store models of memory and their dominance in explaining amnesia. Todays WordOfTheDay is: Alluring Synonyms for this word are seductive, enticing, tempting, charming, beguiling, attractive, fascinating, captivating. Possible causes of neurological amnesia include: 1. Twenty-nine of the 40 study sentences were the same as ones given to E.P. Memory deficits appeared only after the first word recalled in each list, suggesting the impairment in amnesia may emerge only as the participant's recall sequence develops, perhaps due to increased susceptibility to output interference. The advantage of recency over midlist items in CDFR was comparable to that of controls, confirming a key prediction of single-store models. disposition > cognitive disorder > memory disorder > amnesia.
People with amnesia demonstrated the full long-term recency pattern: the recency effect was attenuated in DFR and returned in CDFR. This condition was compared to an Immediate Free Recall (IFR, no distractors) and a Delayed Free Recall (DFR, end-of-list distractor only) condition. People with amnesia and matched controls studied, and then free-recalled, word lists with a distractor task following each word, including the last (continual distractor task, CDFR).
Here we tested a key prediction of single-store models for free recall in amnesia: that people with amnesia will exhibit a memory advantage for the most recent items even when all items are stored in and retrieved from LTM, an effect called long-term recency. Although dual-store models of memory have been challenged by single-store models based on interference theory, this had relatively little influence on our understanding and treatment of amnesia, perhaps because the debate has centred on experiments in the neurologically intact population. The intact recency effect in amnesia had supported this view.
Although no particular brain structure or brain system is implicated in functional amnesia, the cause of the disorder must be due to abnormal brain function of some kind. Amnesia is usually described as an impairment of a long-term memory (LTM) despite an intact short-term memory (STM). Functional amnesia, also known as dissociative amnesia, is a dissociative psychiatric disorder that involves alterations in consciousness and identity.