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Cited by 12Suicide and Self-Harm StudiesNeural and Behavioral Psychology StudiesAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Attentional Bias Deficits in Adolescent Suicide Attempters During an Emotional Stroop Task: An ERP Study

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Tavakoli, Paniz, Jerome, Emily, Boafo, Addo, Campbell, Kenneth·2021·Frontiers in Psychiatry
DOI 10.3389/fpsyt.2021.694147PMC PMC8517173
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Abstract

There is increasing evidence that, in adolescence, attentional bias plays a critical role in the vulnerability for suicidal behaviour. No studies to date have investigated the neurophysiological correlates of attentional bias in adolescent suicidality. The present study uses event-related potentials (ERPs) to investigate such processing in inpatient adolescents admitted for an acute suicide crisis using an Emotional Stroop Task (EST). In this task, participants are asked to name the colour of words varying in emotional valence (positive, negative, neutral, suicide-related). Suicidal individuals are hypothesised to be more preoccupied by the context of the suicide-related stimuli, which may interfere with their ability to perform the colour naming task. Seventeen adolescents with acute suicidal behaviour and 17 age- and gender-matched healthy controls performed an EST while ERPs were recorded. Suicide attempters showed increased reaction times to suicide-related words compared to other emotion categories, while the controls did not. The amplitude of the early posterior negativity (EPN) was not significantly different across groups or emotional valence. A double peak P3 (early-P3 and late-P3) was observed in both groups. Both the early- and late-P3 were significantly reduced in amplitude in the suicide attempter group compared to the control group, regardless of emotional valence. The late-P3 latency was also significantly delayed in the suicide attempters compared to controls. The behavioural findings support the attentional bias theories of suicide attempters and extend these findings to adolescents. Furthermore, large early- and late-P3 provide evidence that cognitive strategies employed by two groups did markedly differ.

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Cited by

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Authors
Tavakoli, P., Jerome, E., Boafo, A., & Campbell, K.
Affiliations
  • Children's Hospital of Eastern Ontario (CA)
  • Carleton University (CA)
  • University of Ottawa (CA)
Corresponding author
Tavakoli, Paniz
ORCID
Venue
Frontiers in Psychiatry
Publisher
Frontiers Media SA
Published
2021-10-01
Volume
12
Pages
694147-694147
ISSN
1664-0640 (ISSN-L)
DOI
10.3389/fpsyt.2021.694147
PMC
PMC8517173
OpenAlex
W3202914349
Cited by
12
References
11
Citations by year
2026: 3 · 2025: 1 · 2024: 3 · 2023: 4 · 2022: 1
FWCI
1.36
Type
journal article
Language
en
Open access
Licence
Locations
  • Frontiers in Psychiatry (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Natural Sciences and Engineering Research Council of Canada
Topics
  • Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Keywords
attentional bias, emotional Stroop task, event-related potentials, P300, early posterior negativity, emotional valence, cognitive strategies

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