Neural correlates of performance monitoring in chronic cannabis users and cannabis-naïve controls

Daniel J. Fridberg, Patrick D. Skosnik, William P. Hetrick, Brian F. O'Donnell

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Chronic cannabis use is associated with residual negative effects on measures of executive functioning. However, little previous work has focused specifically on executive processes involved in performance monitoring in frequent cannabis users. The present study investigated event-related potential (ERP) correlates of performance monitoring in chronic cannabis users. The error-related negativity (ERN) and error positivity (Pe), ERPs sensitive to performance monitoring, were recorded from 30 frequent cannabis users (mean usage=5.52 days/week) and 32 cannabis-naïve control participants during a speeded stimulus discrimination task. The "oddball" P3 ERP was recorded as well. Users and controls did not differ on the amplitude or latency of the ERN; however, Pe amplitude was larger among users. Users also showed increased amplitude and reduced latency of the P3 in response to infrequent stimuli presented during the task. Among users, urinary cannabinoid metabolite levels at testing were unrelated to ERP outcomes. However, total years of cannabis use correlated negatively with P3 latency and positively with P3 amplitude, and age of first cannabis use correlated negatively with P3 amplitude. The results of this study suggest that chronic cannabis use is associated with alterations in neural activity related to the processing of motivationally-relevant stimuli (P3) and errors (Pe).

Original languageEnglish (US)
Pages (from-to)515-525
Number of pages11
JournalJournal of Psychopharmacology
Volume27
Issue number6
DOIs
StatePublished - Jun 1 2013

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Cannabis
Evoked Potentials
P300 Event-Related Potentials
Cannabinoids

Keywords

  • Cannabis
  • error positivity
  • error-related negativity
  • event-related potentials
  • P3

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)
  • Psychiatry and Mental health

Cite this

Neural correlates of performance monitoring in chronic cannabis users and cannabis-naïve controls. / Fridberg, Daniel J.; Skosnik, Patrick D.; Hetrick, William P.; O'Donnell, Brian F.

In: Journal of Psychopharmacology, Vol. 27, No. 6, 01.06.2013, p. 515-525.

Research output: Contribution to journalArticle

Fridberg, Daniel J. ; Skosnik, Patrick D. ; Hetrick, William P. ; O'Donnell, Brian F. / Neural correlates of performance monitoring in chronic cannabis users and cannabis-naïve controls. In: Journal of Psychopharmacology. 2013 ; Vol. 27, No. 6. pp. 515-525.
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