نتایج جستجو برای: amnesia
تعداد نتایج: 4906 فیلتر نتایج به سال:
Attribute amnesia is the counterintuitive phenomenon where observers are unable to report a salient aspect of a stimulus (e.g., its colour or its identity) immediately after the stimulus was presented, despite both attending to and processing the stimulus. Almost all previous attribute amnesia studies used highly familiar stimuli. Our study investigated whether attribute amnesia would also occu...
Acute transient amnesia has not been previously associated with vertebral artery dissection. We describe two men with acute onset of dense anterograde amnesia and partial retrograde amnesia resulting from spontaneous vertebral artery dissection. Both amnesic syndromes completely resolved with conservative management.
The authors examined the impact of posthypnotic amnesia on the accessibility and quality of personal memories. High, medium,and low hypnotizable individuals recalled two autobiographical episodes and rated those memories. During hypnosis, subjects were given a posthypnotic amnesia suggestion that targeted one of the episodes. After hypnosis, they recalled and rated their memories of the episode...
Evidence of partial retrograde amnesia for episodic memories of no personal salience was found in head injured patients (n = 10) tested during posttraumatic amnesia or shortly after its resolution (n = 10), but there was no selective preservation of the earliest memories. In contrast, head injured patients tested during posttraumatic amnesia exhibited relatively preserved retention of early aut...
Background and Purpose-The fornix connects various structures involved in memory. We report a patient with anterograde amnesia after an acute ischemic infarct in the anterior fornix. Case Description-A 71-year-old female with acute-onset amnesia had neuroimaging studies showing ischemic infarction of both columns and the body of the fornix and the genu of the corpus callosum. Neuropsychological...
In agreement with the neuropsychological findings, available anatomical data from patients with diencephalic or bitemporal amnesia suggest that these amnesias need not result from damage to a single functional system. In the case of diencephalic amnesia, the mammillary bodies and the dorsomedial thalamic nucleus have been implicated, but it is not yet clear which structure deserves the greater ...
BACKGROUND Although cardiac arrest (CA) is commonly cited as a cause of amnesia, patients referred to the authors' center with a diagnosis of "amnesia" after CA rarely have isolated memory deficits. OBJECTIVE To determine whether CA is a cause of pure amnesia and to assess patterns of cognitive deficits after CA. METHODS The authors used cognitive assessment of 11 consecutive patients refer...
In the late 19th Century, Sigmund Freud described the phenomenon in which people are unable to recall events from early childhood as infantile amnesia. Although universally observed, infantile amnesia is a paradox; adults have surprisingly few memories of early childhood despite the seemingly exuberant learning capacity of young children. How can these findings be reconciled? The mechanisms und...
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