Evidence map›Paper›PMID 27251129›Full record

ArticlePsychopharmacology2016

Differential effects of the pharmacological stressor yohimbine on impulsive decision making and response inhibition.

M C Schippers, D Schetters, T J De Vries, T Pattij

Open access · hybridAbstract read
In one paragraph

Article in Psychopharmacology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
3.5field-weighted citation impact, top 8% 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

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 29 citations in OpenAlex.

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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

4 authors at 1 institution in 1 country.

M C SchippersDepartment of Anatomy and Neurosciences, Neuroscience Campus Amsterdam, VU University Medical Center, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands.
D SchettersDepartment of Anatomy and Neurosciences, Neuroscience Campus Amsterdam, VU University Medical Center, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands.
T J De VriesDepartment of Anatomy and Neurosciences, Neuroscience Campus Amsterdam, VU University Medical Center, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands.
T PattijDepartment of Anatomy and Neurosciences, Neuroscience Campus Amsterdam, VU University Medical Center, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands. t.pattij@vumc.nl.
Amsterdam Neuroscience · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

rationaleHigh levels of impulsivity have been associated with psychiatric disorders such as attention-deficit/hyperactivity disorder (ADHD) and substance abuse. In addition, acute stress is known to exacerbate many psychiatric symptoms in impulse control disorders.

objectivesThe purpose of the current study was to investigate the acute effects of the pharmacological stressor yohimbine on response inhibition and impulsive choice.

methodsA group of male rats (n = 12) was trained in the delayed reward task (DRT) to assess impulsive choice. A separate group (n = 10) was trained in the stop-signal task (SST) to measure response inhibition. Upon stable responding, the effects of yohimbine (0, 1.25, 2.5, and 5 mg/kg i.p.) were tested in a Latin square design.

resultsAcute yohimbine significantly increased the preference for the large and delayed reinforcer in the DRT, indicating a decrease in impulsive choice. On the contrary, the effect size of 1.25 mg/kg yohimbine on stop-signal reaction times correlated negatively with baseline performance, suggesting a baseline-dependent effect on response inhibition as measured in the SST.

conclusionsThe current data suggest that the effects of the pharmacological stressor yohimbine on impulse control strongly depend on the type of impulsive behavior. Pharmacological stress decreased impulsive decision making, an observation that is in line with previously published rodent studies. By contrast, the lowest dose of yohimbine revealed a baseline-dependent effect on response inhibition. As such, the effects of yohimbine are largely comparable to the effects of psychostimulants on impulsivity and may support the notion of cross sensitization of stress and psychostimulants.

Indexed as

Inhibition, PsychologicalAdrenergic alpha-2 Receptor AntagonistsAnimalsAttention Deficit Disorder with HyperactivityChoice BehaviorDecision MakingDisease Models, AnimalImpulsive BehaviorMaleRatsRats, WistarReaction TimeRewardYohimbineAdrenergic alpha-2 Receptor AntagonistsYohimbineDelayed reward taskImpulsive choiceImpulsivityNoradrenalineResponse inhibitionStop-signal taskStressYohimbineα2 noradrenergic receptor

Identifiers

PMID27251129
PMCPMC4917594
OpenAlexW2410111880

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.