Publication date: June 2018
Source:Addictive Behaviors, Volume 81
Author(s): Darren W. Campbell, Sandra Stewart, Camille E.P. Gray, Courtney L. Ryan, Peter Fettes, Adam J. McLandress, Ralph Dell'Aquila
IntroductionA significant proportion of chronic cannabis users experience occupational, social, and psychological problems thought to reflect, in part, cannabis-related cognitive and emotional attentional biases. The emotional attentional blink (EAB) is a unique test of attentional bias that assesses automatic responses, cue-detection failures, and rapid and temporally extended biases. Using the EAB, we tested users' and non-users' attentional biases and how cannabis exposure correlates with these attentional biases.MethodsForty-eight regular cannabis users and 51 non-users completed demographic, psychological, and cannabis-use reports and two EAB target-detection experiments. Each experiment comprised 160 trials. Each trial included a rapid serial visual presentation of images with one of four types of distractor images (cannabis, generically positive, neutral, or scrambled) preceding the target image. Distractor images were presented 200ms (Lag 2) or 800ms (Lag 8) before the target in Experiment 1 and 200ms (Lag 2) or 500ms (Lag 5) before the target in Experiment 2.ResultsChronic cannabis users exhibited exaggerated, immediate attentional bias (Lag 2) and exaggerated, extended attentional bias (Lag 5) compared to non-users. The intensity of cannabis-use (grams per week) correlated with more errors at the extended attentional bias durations (Lags 5 and 8).ConclusionsOur results represent novel evidence of automatic attentional capture consistent with an exaggerated "wanting" motive in models of addiction. Our unique evidence of temporally extended attentional biases is consistent with attentional disengagement deficits associated with chronic cannabis use.
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Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com
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Παρασκευή 16 Φεβρουαρίου 2018
Chronic cannabis use and attentional bias: Extended attentional capture to cannabis cues
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- Development of a stereoselective and scalable proc...
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- Editorial Board
- Graphical Abstract TOC continued
- Optimization of antimalarial, and anticancer activ...
- Post-Cardiac Arrest Management: Time to Cool It on...
- Targeted Temperature Management After Cardiac Arre...
- Perioperative Cardiac Arrest: Focus on Malignant H...
- Perioperative Cardiac Arrest: Focus on Local Anest...
- Perioperative Cardiac Arrest: Focus on Anaphylaxis
- Cardiac Arrest in the Operating Room: Part 2—Speci...
- Syndromic sebaceous nevus: current findings
- Eosinophilic polymorphic and pruritic eruption ass...
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- Photobiomodulation (PBM) therapy at 904 nm mitigat...
- Targeted next-generation-sequencing for reliable d...
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- Rapid improvement of nail matrix psoriasis with ap...
- Nivolumab-induced lichenoid dermatitis occurring i...
- Rapid improvement of nail matrix psoriasis with ap...
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- Efficacy and safety of combined low doses of eithe...
- Understanding of human ATP binding cassette superf...
- Activation of PPARγ mediates icaritin-induced cell...
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- LncRNA-LET inhibits cell viability, migration and ...
- Evaluation of the anti-hypertensive effect of Teng...
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- MicroRNA-519d inhibits proliferation and induces a...
- Oridonin inhibits oral cancer growth and PI3K/Akt ...
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- In Response
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- You’re Wrong, I’m Right: Dueling Authors Reexamine...
- In Response
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- Perioperative Cardiac Arrest: Focus on Anaphylaxis
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