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Opposite effects of smoking and nicotine intake on cognition.
Plain-language guide to PMID 32823200 (2020): double-blind randomized controlled trial of Therapeutic nicotine (patch, non-peptide).
Key Facts
- PMID
- 32823200
- Journal
- Psychiatry research
- Year
- 2020
- Study type
- Randomized Controlled Trial
- Authors
- Almeida NL et al. (9 authors)
- DOI
- 10.1016/j.psychres.2020.113357
What This Study Did, in Plain Language
What Was Tested
The paper reports a study of Therapeutic nicotine (patch, non-peptide), published as a randomized controlled trial.
Their main purpose was to investigate how smoking and nicotine interacted with specific aspects of cognitive functioning.
Why It Was Studied
The research was conducted in two parts: (i) an investigation of cognition in heavy smokers and healthy nonsmokers, and (ii) an investigation of cognition in healthy nonsmokers enrolled in a clinical trial involving administration of nicotine gum.
Results indicated that the relationship between smoking and nicotine was characterized by an inverted U-shaped effect.
Who Took Part
PubMed indexes the participants as young adults, adults and middle-aged adults, both men and women.
How the Study Was Run
The design is described as randomized, double-blind, placebo-controlled and pilot.
Because people in this Therapeutic nicotine (patch, non-peptide) study were split into groups at random, differences between the groups are less likely to reflect who happened to join each one.
Neither the participants nor the staff measuring them knew who was on Therapeutic nicotine (patch, non-peptide), so expectations could not easily colour the readings.
The comparison arm used a placebo, so changes seen with Therapeutic nicotine (patch, non-peptide) could be set against what happens without it.
It is described as a pilot, a small early test of whether a larger Therapeutic nicotine (patch, non-peptide) study would be practical.
What Was Measured
PubMed files the paper under topics including Cognition, Nicotine, Photic Stimulation, Pilot Projects, Psychomotor Performance, Smoking and Smoking Cessation.
Author keywords: Cognitive functions and Psychiatry.
What This Means in Plain Language
The paper is a randomized, double-blind and placebo-controlled study of Therapeutic nicotine (patch, non-peptide).
The publication is from 2020 (Psychiatry research), a journal based in Ireland.
More context: the Therapeutic nicotine (patch, non-peptide) compound page, all human trials.
Our Notes on the Compound
Therapeutic nicotine (patch, non-peptide): Pure nicotine as a signaling tool, separated from smoking and vaping.
Related Pages
Source: PubMed record. This explanation is written by PeptideWhiz from the public record. For research and education only. Not medical advice; no dosing information is given.