Evidence map›Paper›PMID 24478647›Full record

ReviewFrontiers in behavioral neuroscience2013

Identification and optogenetic manipulation of memory engrams in the hippocampus.

Steve Ramirez, Susumu Tonegawa, Xu Liu

Abstract readReview
In one paragraph

Review in Frontiers in behavioral neuroscience, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.

0numbers the graph read from it
0cells of the map it votes in
49citing 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

49 citing papers in PubMed.

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  13. Neurons as will and representation.Nature reviews. Neuroscience · 2022
    Review
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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

3 authors.

Steve RamirezDepartment of Biology and Department of Brain and Cognitive Sciences, RIKEN-MIT Center for Neural Circuit Genetics at the Picower Institute for Learning and Memory, Massachusetts Institute of Technology Cambridge, MA, USA.
Susumu TonegawaDepartment of Biology and Department of Brain and Cognitive Sciences, RIKEN-MIT Center for Neural Circuit Genetics at the Picower Institute for Learning and Memory, Massachusetts Institute of Technology Cambridge, MA, USA ; Howard Hughes Medical Institute, Massachusetts Institute of Technology Cambridge, MA, USA.
Xu LiuDepartment of Biology and Department of Brain and Cognitive Sciences, RIKEN-MIT Center for Neural Circuit Genetics at the Picower Institute for Learning and Memory, Massachusetts Institute of Technology Cambridge, MA, USA ; Howard Hughes Medical Institute, Massachusetts Institute of Technology Cambridge, MA, USA.

Funding

STUDIES OF INTEGRATIVE SYSTEMST32GM007484 · NIGMS · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI DICARLO, JAMES J · 1985 to 2017
$8.5M
NIGMS NIH HHS T32 GM007484
6 · The paper itself

Abstract

With the accumulation of our knowledge about how memories are formed, consolidated, retrieved, and updated, neuroscience is now reaching a point where discrete memories can be identified and manipulated at rapid timescales. Here, we start with historical studies that lead to the modern memory engram theory. Then, we will review recent advances in memory engram research that combine transgenic and optogenetic approaches to reveal the underlying neuronal substrates sufficient for activating mnemonic processes. We will focus on three concepts: (1) isolating memory engrams at the level of single cells to tag them for subsequent manipulation; (2) testing the sufficiency of these engrams for memory recall by artificially activating them; and (3) presenting new stimuli during the artificial activation of these engrams to induce an association between the two to form a false memory. We propose that hippocampal cells that show activity-dependent changes during learning construct a cellular basis for contextual memory engrams.

Indexed as

ChR2false memoryIEGmemory engramoptogenetics

Identifiers

PMID24478647
PMCPMC3894458

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Registered trials

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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.