Cited by 15Neurotransmitter Receptor Influence on BehaviorOlfactory and Sensory Function StudiesNeural and Behavioral Psychology Studies

Neural processing of a cocaine-associated odor cue revealed by functional MRI in awake rats

Open access
Johnson, Tehya R., Smerkers, Brian, Moulder, Janelle K., Stellar, James R., Febo, Marcelo·2013·Neuroscience Letters

Abstract

Using an olfactory conditioning procedure, brain stimulation reward threshold measurements, and functional magnetic resonance imaging (fMRI), we investigated brain stimulation reward threshold change and fMRI neural activation in response to a cocaine-associated odor cue. In the first brain stimulation experiment, over 10 days of rate-frequency curve-shift testing, rats were administered intravenous cocaine (1.0mg/kg) paired with a contextual cue of peppermint odor previously placed in the operant chamber or they were given vehicle treatment (no cocaine) in the presence of no olfactory cue. Following a 14-day drug-free rest period, rats were again given the rate-frequency curve-shift threshold test with or without the odor cue. In a second experiment, rats were similarly conditioned with a peppermint odor but with intraperitoneally delivered cocaine (10mg/kg). After a 14 day rest period, rats were imaged on a 7-T MRI for their blood oxygen level dependent (BOLD) in response to the cocaine-paired peppermint odor versus an unpaired neutral lemon odor. In the brain stimulation experiment, expected significant reward threshold shifts were produced by cocaine and, importantly, about half that level of shift was produced by the paired contextual olfactory cue. In the fMRI experiment, the insular cortex showed a significantly greater BOLD activation in cocaine-treated versus saline-treated animals to the olfactory cue, but not with the unpaired lemon scent. These data are in agreement with previous studies suggesting a role of the insular cortex in attributing reward value (positive or negative) to conditioned odor stimuli.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1016/j.neulet.2012.11.054

Cites

42 of 42 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Functional MRI responses to drug-associated cues in adult rodents after chronic cocaine exposure show remarkable faithfulness to human and other primate fMRI changes, including elevated responses in the dorsal STR, NAc, mPFC, and insular cortex.

    “Functional MRI responses to drug-associated cues in adult rodents after chronic cocaine exposure show remarkable faithfulness to human and other primate fMRI changes, including elevated responses in the dorsal STR, NAc, mPFC, and insular cortex (Johnson et al., 2013, Liu et al., 2013).”

    From Sensitive periods of substance abuse: Early risk for the transition to dependence (2017) · cites this paper as Johnson et al., 2013

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Research works printed but not linked: 1

  1. [36]Stellar JR Rice MB Pharmacological basis of intracranial self-stimulation Liebman JM Copper SJ The pharmacological basis of reward Clarendon Press Oxford, UK 1989 14 65

Cited by

Sorted by citations

Authors
Johnson, T. R., Smerkers, B., Moulder, J. K., Stellar, J. R., & Febo, M.
Affiliations
Northeastern University (US)
Corresponding author
Febo, Marcelo
Venue
Neuroscience Letters
Publisher
Elsevier BV
Published
2013-02
Volume
534
Pages
160-165
ISSN
0304-3940 (ISSN-L)
OpenAlex
W2052457717
Cited by
15
References
42
Citations by year
2024: 2 · 2023: 1 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 1 · 2018: 1 · 2016: 3 · 2015: 3 · 2013: 1
FWCI
0.53
Type
journal article
Language
en
Open access
Locations
  • Neuroscience Letters (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Whitehall Foundation
  • NIH (DA019946)
  • Northeastern University
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
cocaine, olfactory conditioning, insula, reward threshold, brain stimulation, BOLD activation, drug cues
MeSH terms
Animals, Brain, Brain Mapping, Cocaine, Conditioning, Operant, Cues, Electric Stimulation, Magnetic Resonance Imaging, Male, Odorants, Reward, Sensory Thresholds, Wakefulness, Rats, Sprague-Dawley, Rats

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review