Evidence map›Paper›PMID 24616488›Full record

Trial reportProceedings of the National Academy of Sciences of the United States of America2014

Photic memory for executive brain responses.

Sarah Laxhmi Chellappa, Julien Q M Ly, Christelle Meyer, Evelyne Balteau, Christian Degueldre, André Luxen, Christophe Phillips, Howard M Cooper, Gilles Vandewalle

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing 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

43 citing papers in PubMed.

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  4. Thin-film optical notch filter spectacle coatings for the treatment of migraine and photophobia.Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia · 2016
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors.

Sarah Laxhmi ChellappaCyclotron Research Center, University of Liège, 4000 Liège, Belgium.
Julien Q M Ly
Christelle Meyer
Evelyne Balteau
Christian Degueldre
André Luxen
Christophe Phillips
Howard M Cooper
Gilles Vandewalle

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Light is a powerful stimulant for human alertness and cognition, presumably acting through a photoreception system that heavily relies on the photopigment melanopsin. In humans, evidence for melanopsin involvement in light-driven cognitive stimulation remains indirect, due to the difficulty to selectively isolate its contribution. Therefore, a role for melanopsin in human cognitive regulation remains to be established. Here, sixteen participants underwent consecutive and identical functional MRI recordings, during which they performed a simple auditory detection task and a more difficult auditory working memory task, while continuously exposed to the same test light (515 nm). We show that the impact of test light on executive brain responses depends on the wavelength of the light to which individuals were exposed prior to each recording. Test-light impact on executive responses in widespread prefrontal areas and in the pulvinar increased when the participants had been exposed to longer (589 nm), but not shorter (461 nm), wavelength light, more than 1 h before. This wavelength-dependent impact of prior light exposure is consistent with recent theories of the light-driven melanopsin dual states. Our results emphasize the critical role of light for cognitive brain responses and are, to date, the strongest evidence in favor of a cognitive role for melanopsin, which may confer a form of "photic memory" to human cognitive brain function.

Indexed as

LightAdultBrainExecutive FunctionFemaleHumansMaleMemoryYoung AdultfMRInon–image-forming

Identifiers

PMID24616488
PMCPMC4000819

What OpenQuestion holds

Textmetadata
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.