Cited by 615Memory Processes and InfluencesMemory and Neural MechanismsNeural and Behavioral Psychology Studies

Top-down signal from prefrontal cortex in executive control of memory retrieval

Tomita, Hyoe, Ohbayashi, Machiko, Nakahara, Kiyoshi, Hasegawa, Isao, Miyashita, Yasushi·1999·Nature

Abstract

Knowledge or experience is voluntarily recalled from memory by reactivation of the neural representations in the cerebral association cortex. In inferior temporal cortex, which serves as the storehouse of visual long-term memory, activation of mnemonic engrams through electric stimulation results in imagery recall in humans, and neurons can be dynamically activated by the necessity for memory recall in monkeys. Neuropsychological studies and previous split-brain experiments predicted that prefrontal cortex exerts executive control upon inferior temporal cortex in memory retrieval; however, no neuronal correlate of this process has ever been detected. Here we show evidence of the top-down signal from prefrontal cortex. In the absence of bottom-up visual inputs, single inferior temporal neurons were activated by the top-down signal, which conveyed information on semantic categorization imposed by visual stimulus-stimulus association. Behavioural performance was severely impaired with loss of the top-down signal. Control experiments confirmed that the signal was transmitted not through a subcortical but through a fronto-temporal cortical pathway. Thus, feedback projections from prefrontal cortex to the posterior association cortex appear to serve the executive control of voluntary recall.

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Crossref · 10.1038/44372

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  • Research in non-human primates demonstrated that top-down signals from the frontal cortex are important for the executive control of voluntary recall from long-term memory.

    “Research in non-human primates demonstrated that top-down signals from the frontal cortex are important for the executive control of voluntary recall from long-term memory (Tomita et al., 1999).”

    From Neural Correlates of Long-Term Memory Enhancement Following Retrieval Practice (2021) · cites this paper as Tomita et al., 1999

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Authors
Tomita, H., Ohbayashi, M., Nakahara, K., Hasegawa, I., & Miyashita, Y.
Affiliations
  • The University of Tokyo (JP)
  • Japan Science and Technology Agency (JP)
Corresponding author
  • Tomita, Hyoe
  • Miyashita, Yasushi
Venue
Nature
Published
1999-10
Volume
401
Issue
6754
Pages
699-703
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2012252610
Cited by
615
References
33
Citations by year
2026: 11 · 2025: 14 · 2024: 18 · 2023: 7 · 2022: 18 · 2021: 21 · 2020: 14 · 2019: 22 · 2018: 20 · 2017: 21 · 2016: 21 · 2015: 20 · 2014: 25 · 2013: 25 · 2012: 19
FWCI
13.34
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
top-down signals, prefrontal cortex, executive function, memory retrieval, inferior temporal cortex, visual long-term memory, single-unit recording, semantic classification, stimulus-stimulus associations, voluntary recall, feedback projections
MeSH terms
Animals, Cues, Macaca, Models, Neurological, Neural Pathways, Neurons, Mental Recall, Prefrontal Cortex

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