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Long-term visuospatial retention unaffected by fornix transection.

Publication ,  Journal Article
Kwok, SC; Buckley, MJ
Published in: Hippocampus
August 2010

As part of an earlier experiment (Kwok and Buckley, 2009), six macaque monkeys (three with fornix transection and three unoperated controls) were trained postoperatively to discriminate a total of 104 new concurrent visuospatial conditional problems to criterion. Our experiment measured and compared long-term retention of these problems with two separate one-trial postoperative retention tests administered 3 and 15 months, respectively, after acquisition. All animals showed some degree of forgetting of these problems but all remembered above chance levels, even after 15 months. The amount forgotten by each group did not differ significantly at either time point. These results show that long-term retention of visuospatial information is independent of the fornix. Similarities in resistance to forgetting are drawn between fornix-transected macaques and patients with amnesia and the implications for clinical rehabilitation are discussed.

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Published In

Hippocampus

DOI

EISSN

1098-1063

ISSN

1050-9631

Publication Date

August 2010

Volume

20

Issue

8

Start / End Page

889 / 893

Related Subject Headings

  • Space Perception
  • Retention, Psychology
  • Photic Stimulation
  • Neurology & Neurosurgery
  • Humans
  • Fornix, Brain
  • Discrimination Learning
  • Animals
  • 5202 Biological psychology
  • 3209 Neurosciences
 

Citation

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Kwok, S. C., & Buckley, M. J. (2010). Long-term visuospatial retention unaffected by fornix transection. Hippocampus, 20(8), 889–893. https://doi.org/10.1002/hipo.20733
Kwok, Sze Chai, and Mark J. Buckley. “Long-term visuospatial retention unaffected by fornix transection.Hippocampus 20, no. 8 (August 2010): 889–93. https://doi.org/10.1002/hipo.20733.
Kwok SC, Buckley MJ. Long-term visuospatial retention unaffected by fornix transection. Hippocampus. 2010 Aug;20(8):889–93.
Kwok, Sze Chai, and Mark J. Buckley. “Long-term visuospatial retention unaffected by fornix transection.Hippocampus, vol. 20, no. 8, Aug. 2010, pp. 889–93. Epmc, doi:10.1002/hipo.20733.
Kwok SC, Buckley MJ. Long-term visuospatial retention unaffected by fornix transection. Hippocampus. 2010 Aug;20(8):889–893.
Journal cover image

Published In

Hippocampus

DOI

EISSN

1098-1063

ISSN

1050-9631

Publication Date

August 2010

Volume

20

Issue

8

Start / End Page

889 / 893

Related Subject Headings

  • Space Perception
  • Retention, Psychology
  • Photic Stimulation
  • Neurology & Neurosurgery
  • Humans
  • Fornix, Brain
  • Discrimination Learning
  • Animals
  • 5202 Biological psychology
  • 3209 Neurosciences