Evidence map›Paper›PMID 21432025›Full record

ArticlePsychopharmacology2011

Selective nicotinic receptor antagonists: effects on attention and nicotine-induced attentional enhancement.

Britta Hahn, Mohammed Shoaib, Ian P Stolerman

Abstract read
PubMed Publisher
In one paragraph

Article in Psychopharmacology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
2.8field-weighted citation impact, top 9% of its field
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

31 citing papers in PubMed, 58 citations in OpenAlex.

  1. Article
  2. Review
  3. The Effects of THC and Nicotine on Attention: A Narrative Review.Current topics in behavioral neurosciences · 2025
    Review
  4. Neuropharmacological Potential of Diterpenoid Alkaloids.Pharmaceuticals (Basel, Switzerland) · 2023
    Review
  5. Article
  6. Article
  7. Article
  8. Review
  9. Article
  10. Neuropharmacology of attention.European journal of pharmacology · 2018
    Review
  11. Article
  12. Cholinergic Overstimulation Attenuates Rule Selectivity in Macaque Prefrontal Cortex.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2018
    Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Review
  18. Review
  19. Article
  20. 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

3 authors at 3 institutions in 2 countries.

Britta HahnUniversity of Maryland School of Medicine, Maryland Psychiatric Research Center, P.O. Box 21247, Baltimore, MD 21228, USA. bhahn@mprc.umaryland.edu
Mohammed Shoaib
Ian P Stolerman
King's College London · GBNewcastle University · GBUniversity of Maryland, Baltimore · US

Funding

Medical Research Council G9901417
6 · The paper itself

Abstract

rationaleThe question of the subtype(s) of the nicotinic acetylcholine receptor (nAChR) mediating the attention-enhancing effects of nicotine is still unsettled. While early studies pointed towards subtypes other than the homomeric α7 nAChR, pro-cognitive effects of α7 nAChR agonists have since been demonstrated.

objectivesThis study tested whether the performance-enhancing effects of nicotine in a rodent model of attention could be reversed by the α4β2, α4β4, α3β2, and α2β2 nAChR antagonist dihydro-β-erythroidine (DHβE), or the α7 antagonist methyllycaconitine (MLA).

methodsIn repeated tests, 12 rats trained to perform the 5-choice serial reaction time task were systemically injected with nicotine or vehicle in the presence of increasing doses of DHβE or MLA.

resultsDHβE did not antagonize the attention-enhancing effects of nicotine reflected by measures of accuracy and omission errors, suggesting that its previously reported antagonism of nicotine effects on latency and anticipatory responses specifically reflected the stimulant effects of nicotine. MLA dose-dependently reversed the reduction in omission errors by nicotine. In the absence of nicotine, low doses of MLA (0.4 and 1.3 mg/kg) not previously tested on attention improved response accuracy, resulting in an inverted U-shape dose-response function.

conclusionsnAChR subtypes involved in the performance-enhancing effects of nicotine appear to vary depending on the function assessed. Our findings suggest a greater involvement of α7 nAChRs in the effects of nicotine on attention than first suggested by preclinical studies, with different optimal receptor tones for aspects of stimulus detection and response readiness to task stimuli.

Indexed as

Aconitinealpha7 Nicotinic Acetylcholine ReceptorAnimalsAttentionBehavior, AnimalDihydro-beta-ErythroidineDose-Response Relationship, DrugDrug InteractionsMaleNicotineNicotinic AgonistsNicotinic AntagonistsRatsRats, Inbred StrainsReceptors, NicotinicAconitinealpha7 Nicotinic Acetylcholine ReceptorChrna7 protein, ratDihydro-beta-ErythroidinemethyllycaconitineNicotineNicotinic AgonistsNicotinic AntagonistsReceptors, Nicotinic

Identifiers

PMID21432025
OpenAlexW2076778820

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.