Sparing of the familiarity component of recognition memory in a patient with hippocampal pathology

@article{Aggleton2005SparingOT,
  title={Sparing of the familiarity component of recognition memory in a patient with hippocampal pathology},
  author={John P. Aggleton and Seralynne D. Vann and C. E. Denby and Sophie L. Dix and Andrew Mayes and Neil Roberts and Andrew P. Yonelinas},
  journal={Neuropsychologia},
  year={2005},
  volume={43},
  pages={1810-1823}
}
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DN showed a marked, stable anterograde memory impairment that was still present 4 years postsurgery, but performed within normal levels on most tests of recognition memory, and this recall/recognition dissociation provides further evidence for neuroanatomical divisions within recognition memory processes.
Impaired recollection but spared familiarity in patients with extended hippocampal system damage revealed by 3 convergent methods
TLDR
The convergent evidence that mammillary body atrophy impairs recall but spares familiarity-based recognition appears irreconcilable with single-process models.
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