Evidence map›Paper›PMID 34863960›Full record

ArticleNeuroImage2022

EEG biomarkers of free recall.

B S Katerman, Y Li, J K Pazdera, C Keane, M J Kahana

Abstract read
In one paragraph

Article in NeuroImage, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed.

  1. Alpha Oscillations Track the Projection of Reactivated Memories into Conscious Awareness.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026
    Article
  2. Specialized recall procedures.Psychonomic bulletin & review · 2026
    Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. The Penn Electrophysiology of Encoding and Retrieval Study.Journal of experimental psychology. Learning, memory, and cognition · 2024
    Article
  8. Cross-regional coordination of activity in the human brain during autobiographical self-referential processing.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  9. Article
  10. Article
  11. Hippocampal activity predicts contextual misattribution of false memories.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

B S KatermanUniversity of Pennsylvania, United States.
Y LiUniversity of Pennsylvania, United States.
J K PazderaUniversity of Pennsylvania, United States.
C KeaneUniversity of Pennsylvania, United States.
M J KahanaUniversity of Pennsylvania, United States. Electronic address: kahana@psych.upenn.edu.

Funding

Associative Processes in Episodic MemoryR01MH055687 · NIMH · UNIVERSITY OF PENNSYLVANIA · PI KAHANA, MICHAEL JACOB · 2002 to 2024
$7.9M
NIMH NIH HHS R01 MH055687
6 · The paper itself

Abstract

Brain activity in the moments leading up to spontaneous verbal recall provide a window into the cognitive processes underlying memory retrieval. But these same recordings also subsume neural signals unrelated to mnemonic retrieval, such as response-related motor activity. Here we examined spectral EEG biomarkers of memory retrieval under an extreme manipulation of mnemonic demands: subjects either recalled items after a few seconds or after several days. This manipulation helped to isolate EEG components specifically related to long-term memory retrieval. In the moments immediately preceding recall we observed increased theta (4-8 Hz) power (+T), decreased alpha (8-20 Hz) power (-A), and increased gamma (40-128 Hz) power (+G), with this spectral pattern (+T-A + G) distinguishing the long-delay and immediate recall conditions. As subjects vocalized the same set of studied words in both conditions, we interpret the spectral +T-A + G as a biomarker of episodic memory retrieval.

Indexed as

Memory, EpisodicAdolescentAdultBiomarkersBrain WavesElectroencephalographyFemaleHumansMaleMental RecallYoung AdultBiomarkersAlphaGammaReinstatementRetrievalTheta

Identifiers

PMID34863960
PMCPMC9070361

What OpenQuestion holds

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LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.