4.5 Article

Charting the acquisition of semantic knowledge in a case of developmental amnesia

Journal

NEUROPSYCHOLOGIA
Volume 46, Issue 11, Pages 2865-2868

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuropsychologia.2008.05.021

Keywords

developmental amnesia; episodic memory; semantic memory; hippocampus; learning

Funding

  1. Economic and Social Research Council [R000223887]
  2. NIMH/NIH
  3. Medical Research Council [G0300117] Funding Source: researchfish
  4. MRC [G0300117] Funding Source: UKRI

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We report the acquisition and recall of novel facts by Jon, a young adult with early onset developmental amnesia whose episodic memory is gravely impaired due to selective bilateral hippocampal damage. Jon succeeded in learning some novel facts but compared with a control group his intertrial retention was impaired during acquisition and, except for the most frequently repeated facts, he was also less accurate in correctly sourcing these facts to the experiment. The results further support the hypothesis that despite a severely compromised episodic memory and hippocampal system, there is nevertheless the capacity to accrue semantic knowledge available to recall. (C) 2008 Elsevier Ltd. All rights reserved.

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