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Adaptability to changes in temporal structure is fornix-dependent.

Publication ,  Journal Article
Kwok, SC; Mitchell, AS; Buckley, MJ
Published in: Learning & memory (Cold Spring Harbor, N.Y.)
August 2015

Recognition memory deficits, even after short delays, are sometimes observed following hippocampal damage. One hypothesis links the hippocampus with processes in updating contextual memory representation. Here, we used fornix transection, which partially disconnects the hippocampal system, and compares the performance of fornix-transected monkeys with normal monkeys on two versions of a delayed-matching-to-position task with short delays. Spatial recognition memory was affected by fornix transection only when the temporal structure of the task changed across trials, while differences in motor control, motivation, perception, or short-term memory were not critical. We attributed the deficit to a compromised ability in tracking changes in task temporal structure.

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Published In

Learning & memory (Cold Spring Harbor, N.Y.)

DOI

EISSN

1549-5485

ISSN

1072-0502

Publication Date

August 2015

Volume

22

Issue

8

Start / End Page

354 / 359

Related Subject Headings

  • Time Perception
  • Spatial Memory
  • Recognition, Psychology
  • Reaction Time
  • Neuropsychological Tests
  • Neurology & Neurosurgery
  • Motor Activity
  • Motivation
  • Memory, Short-Term
  • Male
 

Citation

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Kwok, S. C., Mitchell, A. S., & Buckley, M. J. (2015). Adaptability to changes in temporal structure is fornix-dependent. Learning & Memory (Cold Spring Harbor, N.Y.), 22(8), 354–359. https://doi.org/10.1101/lm.038851.115
Kwok, Sze Chai, Anna S. Mitchell, and Mark J. Buckley. “Adaptability to changes in temporal structure is fornix-dependent.Learning & Memory (Cold Spring Harbor, N.Y.) 22, no. 8 (August 2015): 354–59. https://doi.org/10.1101/lm.038851.115.
Kwok SC, Mitchell AS, Buckley MJ. Adaptability to changes in temporal structure is fornix-dependent. Learning & memory (Cold Spring Harbor, NY). 2015 Aug;22(8):354–9.
Kwok, Sze Chai, et al. “Adaptability to changes in temporal structure is fornix-dependent.Learning & Memory (Cold Spring Harbor, N.Y.), vol. 22, no. 8, Aug. 2015, pp. 354–59. Epmc, doi:10.1101/lm.038851.115.
Kwok SC, Mitchell AS, Buckley MJ. Adaptability to changes in temporal structure is fornix-dependent. Learning & memory (Cold Spring Harbor, NY). 2015 Aug;22(8):354–359.

Published In

Learning & memory (Cold Spring Harbor, N.Y.)

DOI

EISSN

1549-5485

ISSN

1072-0502

Publication Date

August 2015

Volume

22

Issue

8

Start / End Page

354 / 359

Related Subject Headings

  • Time Perception
  • Spatial Memory
  • Recognition, Psychology
  • Reaction Time
  • Neuropsychological Tests
  • Neurology & Neurosurgery
  • Motor Activity
  • Motivation
  • Memory, Short-Term
  • Male