Results 131 to 140 of about 4,020 (161)
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Retrograde amnesia during transient global amnesia
Neurocase, 1996Abstract Two patients who met Hodges' clinical criteria for transient global amnesia (TGA) were given anterograde and retrograde memory tests during and after the attack. A SPECT scan was performed during TGA in one case, showing a reduced blood flow confined to the bilateral medial temporal lobes, which resolved on the next day.
N. Yamada +6 more
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Aphasiology, 1995
Abstract A case of severe retrograde and less severe anterograde amnesia with initial multimodal agnosia is described as an outcome of traumatic brain damage. Anatomical and metabolic studies document right frontal and left occipital lesions with sparing of medial temporal cortex.
Jason W. Brown, Karen L. Chobor
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Abstract A case of severe retrograde and less severe anterograde amnesia with initial multimodal agnosia is described as an outcome of traumatic brain damage. Anatomical and metabolic studies document right frontal and left occipital lesions with sparing of medial temporal cortex.
Jason W. Brown, Karen L. Chobor
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Isolated Prolonged Retrograde Amnesia
European Neurology, 1992We describe a patient who had isolated retrograde amnesia of 1-year duration without anterograde amnesia after recovery from encephalitis. Single photon emission computed tomography using 123I-IMP revealed that left temporal lobe abnormality. We postulate that the learning ability for new information and recalling ability for old information involve ...
Yukihiro Yoneda +3 more
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Is anterograde amnesia a special case of retrograde amnesia?
Behavioral Neuroscience, 1983In anterograde amnesia, memory loss is obtained for events that occur subsequent to the traumatic insult. But because the effects of an anterograde agent or treatment usually last for minutes, or even hours, after the nominal training event, processing of information may be altered during the postacquisition period as well as during acquisition.
David C. Riccio +2 more
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THE ÆTIOLOGY OF RETROGRADE AMNESIA
The Lancet, 1971Abstract To date, hypotheses of the aetiology of retrograde amnesia have focused on anatomical effects of traumatic lesions and on the presumed existence of short-term memory. The invariable association of retrograde amnesia with post-traumatic amnesia has been ignored as a clue to the origin of retrograde amnesia.
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Retrograde Amnesia in Petit Mal
Archives of General Psychiatry, 1962In our former research on the alterations of consciousness in petit mal (Jus and Jus, 1960) we were interested in different kinds of anterograde amnesia in petit mal and also devoted some attention to the problem of amnesia. In the present study we have made a more precise analysis of retrograde amnesia in petit mal.
Karolina Jus, Andrzej Jus
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Current Directions in Psychological Science, 2003
Recently, the field of animal memory research has seen a resurgence of interest in the mechanisms underlying retrograde amnesia (RA) and in the use of RA as a technique for studying memory processes. A recent report from a major neuroscience lab, which demonstrated RA for an old reactivated memory, revitalized the debate regarding the widely accepted ...
David C. Riccio +2 more
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Recently, the field of animal memory research has seen a resurgence of interest in the mechanisms underlying retrograde amnesia (RA) and in the use of RA as a technique for studying memory processes. A recent report from a major neuroscience lab, which demonstrated RA for an old reactivated memory, revitalized the debate regarding the widely accepted ...
David C. Riccio +2 more
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1967
Publisher Summary The retrograde amnesia (RA) phenomenon occurs in both animals and man and overwhelming evidence exists showing that a single electroconvulsive shock (ECS) treatment given after acquisition produces RA. Because ECS constitutes such a reliable RA treatment, drugs can be studied for their ability to duplicate the effects of this ...
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Publisher Summary The retrograde amnesia (RA) phenomenon occurs in both animals and man and overwhelming evidence exists showing that a single electroconvulsive shock (ECS) treatment given after acquisition produces RA. Because ECS constitutes such a reliable RA treatment, drugs can be studied for their ability to duplicate the effects of this ...
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Caudate stimulation and retrograde amnesia: Amnesia threshold and gradient
Behavioral Biology, 1972This experiment determined the threshold stimulation intensity needed for production of retrograde amnesia with 60 Hz caudate stimulation. With the stimulation parameters used, the necessary intensity is between 1 and 1.5 mA. This stimulation is an effective amnesic agent when administered 15 min, but not 60 min, after training.
Paul E. Gold, Richard A. King
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Retrograde amnesia in a patient with retrosplenial tumour
Neurocase, 1998Abstract We describe a patient who developed a pure amnesic syndrome due to anaplastic astrocytoma in the retrosplenial region. A dense retrograde amnesia for personal events characterized the syndrome. Learning of new verbal information was spared, while learning of visual material remained persistently poor.
Anna Maria Di Betta +3 more
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